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DIGITAL LASER MFP
SCX-5315F Series
SCX-5315F
SCX-5115

SERVICE

MANUAL

CONTENTS

DIGITAL LASER MFP
1. Precautions

2. Specifications
3. Disassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Connection Diagram

ELECTRONICS

This Service Manual is a property of Samsung Electronics
Co.,Ltd. Any unauthorized use of Manual can be punished
under applicable International and/or domestic law.

This service manual is also provided on the web,
the ITSELF system Samsung Electronics Co., Ltd.
“http://itself.sec.samsung.co.kr”

2003. 07

Precautions

1. Precautions
Follow these safety, ESD, and servicing precautions to prevent personal injury and equipment damage.

1-1 Safety Precautions
1. Be sure that all built-in protective devices are in
place. Replace any missing protective shields.
2. Make sure there are no cabinet openings
through which people-particularly children- might
insert fingers or objects and contact dangerous
voltages.
3. When re-installing chassis and assemblies be
sure to replace all protective devices including
control knobs and compartment covers.
4. Design Alteration Warning:Never alter or add to
the mechanical or electrical design of this equipment, such as auxiliary connectors, etc. Such
alterations and modifications will void the manufacturer’s warranty.
5. Components, parts, and wiring that appear to
have overheated or are otherwise damaged
should be replaced with parts which meet the
original specifications. Always determine the
cause of damage or overheating, and correct any
potential hazards.

6. Observe the original lead routing, especially near
sharp edges, AC, and high voltage power supplies. Always inspect for pinched, out-of-place,
or frayed wiring. Do not change the spacing
between components and the printed circuit
board.
7. Product Safety Notice:Some electrical and
mechanical parts have special safety-related
characteristics which might not be obvious from
visual inspection. These safety features and the
protection they provide could be lost if a replacement component differs from the original. This
holds true, even though the replacement may be
rated for higher voltage, wattage, etc.
8. Components critical for safety are indicated in
the parts list with symbols .
Use only replacement components that have the
same ratings, especially for flame resistance and
dielectric specifications. A replacement part that
does not have the same safety characteristics as
the original may create shock, fire, or other
safety hazards.

1-2 Precautions on Disassembly and Reassembly
Take great care when replacing parts. Before removing a part take careful note of its orientation and any
wiring routing. Ensure that all parts removed are correctly replaced in their original positions and all wiring is routed as it was originally manufactured.
Changing wiring routes can cause electrical interference or degradation in set performance.
Please do the following before disassembling for a
repair or replacement of parts.
1. Remove the paper cassette and toner cartridge.
Take great care to ensure that the developer
drum surface is not scratched or damaged by
exposure to light.
2. Turn the power switch off.
3. Take out the power plug and disconnect the printer
cable from the printer.
4. Use only the same type of part as originally fitted
when replacing parts.
5. Take care when dismantling plastic components
and covers. Ensure covers are not damaged. Do
not force plastic components apart they may
break.
Samsung Electronics

6. Be careful that small parts such as screws do not
get lost inside the printer.
7. When disassembling take note of the placement of
small parts. Ensure all small parts are properly
reassembled.
8. If is is necessary to turn the printer upside down
protect the LSU window with clean paper so that
no loose toner particles contaminate the glass.

Releasing Plastic Latches
Many of parts are held in
place with plastic latches.
The latches break easily :
release them carefully.
To remove such parts,
press the hook end of the
latch away from the part to
which it is latched.

1-1

Precautions

1-3 ESD Precautions
1. Certain semiconductor devices can be easily
damaged by static electricity. Such components
are commonly called “Electrostatically Sensitive
(ES) Devices”, or ESDs. Examples of typical
ESDs are: integrated circuits, some field effect
transistors, and semiconductor “chip” components.

4. Use only a grounded tip soldering iron to solder
or desolder ESDs.
Use only an “anti-static” solder removal device.
Some solder removal devices not classified as
“anti-static” can generate electrical charges sufficient to damage ESDs.
5.

The techniques outlined below should be followed to help reduce the incidence of component
damage caused by static electricity.
CAUTION : Be sure no power is applied to the chassis
or circuit, and observe all other safety precautions.

2. Immediately before handling a semiconductor
component or semiconductor-equipped assembly, drain off any electrostatic charge on your
body by touching a known earth ground. Alternatively, employ a commercially available wrist
strap device, which should be removed for your
personal safety reasons prior to applying power
to the unit under test.

6. Do not remove a replacement ESD from its protective packaging until immediately before installing it. Most replacement ESDs are packaged
with all leads shorted together by conductive
foam, aluminum foil, or a comparable conductive
material.
7. Immediately before removing the protective
shorting material from the leads of a replacement ESD, touch the protective material to the
chassis or circuit assembly into which the device
will be installed.
8.

3. After removing an electrical assembly equipped
with ESDs, place the assembly on a conductive
surface, such as aluminum or copper foil, or conductive foam, to prevent electrostatic charge
buildup in the vicinity of the assembly.

Do not use Freon-propelled chemicals. When
sprayed, these can generate electrical charges
sufficient to damage ESDs.

Maintain continuous electrical contact between
the ESD and the assembly into which it will be
installed, until completely plugged or soldered
into the circuit.

9. Minimize bodily motions when handling unpackaged replacement ESDs. Normal motions, such
as the brushing together of clothing fabric and
lifting one’s foot from a carpeted floor, can generate static electricity sufficient to damage an ESD.

1-4 Super Capacitor or Lithium Battery Precautions
1. Exercise caution when replacing a super capacitor or Lithium battery. There could be a danger of
explosion and subsequent operator injury and/or
equipment damage if incorrectly installed.

3. Super capacitor or Lithium batteries contain toxic
substances and should not be opened, crushed,
or burned for disposal.

2. Be sure to replace the battery with the same or
equivalent type recommended by the manufacturer.

4. Dispose of used batteries according to the manufacturer’s instructions.

1-2

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Precautions

1-5 Tools for Troubleshooting
The following tools are recommended for safe and smooth troubleshooting described in this service manual.

1 DVM(Digital Volt Meter)

3 Driver

Standard : Indicates more than 3 digits.

Standard : "-" type, "+" type (M3 long, M3 short, M2
long, M2 short).

4 Tweezers
Standard : For general home use, small type.

2 Electronic Scales

5 Cotton Swab

Standard : Equipment to check the weight of consumables(toner cartridge) supplied by Samsung
Electronics. (The scales should measure in
grams.)

Standard : For general home use, for medical service.

6 Cleaning Equipments
Standard : An IPA(Isopropyl Alcohol)dry wipe tissue or
a gentle neutral detergent and lint-free
cloth.

7 Software (Driver) installation CD ROM

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1-3

Specification

2. Specification
Specifications are correct at the time of printing. Product specifications are subject to change without notice.
See below for product specifications.

2-1 General Specifications
Item

Description

Type of Unit

Desktop

Operation System

Win95/98/ME/ NT /2000/XP

Duplex Printing

Yes(Default)

Interface

IEEE1284(ECP)
USB(without HUB mode)

CPU

120 MHz(ARM946ES)

Emulation

PCL6

Warming up Time

41 Sec (Stand-By), 25˚C

Absolute Storage Condition

Temperature : -20°C ~ 40°C,

Humidity : 10% RH ~ 95% RH

Operating Condition

Temperature : 10˚C ~ 32˚C,

Humidity : 20% RH ~ 80 % RH

Recommended Operating Condition

Temperature : 16°C ~ 30°C,

Humidity : 30% RH ~ 70% RH

Dimension(W X D X H)

560 X 433 X 459 mm

Weight

About 22.5 Kg(with CRU)

Acoustic Noise

Less than 56/50 dB(Copy/Printing mode)

Power Rating

AC 100VAC ~ 127VAC, 50/60Hz ± 3Hz
AC 220VAC ~ 240VAC , 50/60Hz ± 3Hz

Power Consumption

Avg. 350Wh (110V), 320Wh (220V)

Power Save Consumption

Avg. 30Wh

Recommended System Requirement

Pentium IV 1.2 Ghz, 128 MB RAM, 220MB(Hard Disk)

Minimum System Requirement

Pentium II 400Mhz, 64 MB RAM, 120MB(Hard Disk)

LCD

16 characters X 2 lines

Memory

4 Mbyte for flash Memory , 16 Mbyte for SDRAM

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2-1

Specification

2-2 Printer Specifications
Item

Description

Printing Method

Laser Scanning Unit + Electro Photography

Speed

Single Side : 15 PPM
(A4 Size, 5% Character Pattern), Letter : 16 PPM
Duplex : 9 IPM(Images/Min) (A4 Size, 5% Character Pattern)

Source of Light

LSU(Laser Scanning Unit)

Duplex Printing

Yes(Default)

Resolution(Horizontal X Vertical)

True 600 X600 DPI , 1200 DPI Class

Feed Method

Cassette Type , By Pass Tray,
ADF(Automatic Document Feeder)

Feed Direction

FISO(Front-In Side-Out)

Paper Capacity(Input)

Cassette : 550 Sheets
By Pass Tray : 100 Sheets(based on 75g/m2≥, 20lb)

Paper Capacity(Output)

Face Down : 250 Sheets

Effective Print Width

208mm for Letter/Legal
202mm for All

2-3 Facsimile Specification(SCX-5315F Only)
Item

Description

Standard Recommendation

ITU-T Group3(ITU : International Telecommunications Union)

Application Circuit

PSTN or behind PABX
(PSTN : Public Switched Telephone Network.
PABX : Private Automatic Branch Exchange)

Data coding(Compression)

MH/MR/MMR/JPEG(Transmission)

Modem speed

33600/28800/21600/19200/14400/12000/9600/7200/4800/2400 bps

Transmission Speed

Approximately 3 sec(33,600 bps)

Effective Scanning Width

8.2 inches(208 mm)

Halftone

256 Levels

Paper Capacity(Input)

ADF(Automatic Document Feeder) : 30Sheets(75g/m2≥)

FAX Mode

Standard /Fine/Super Fine/Halftone

Memory

4MB

2-2

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Specification

2-4 Scanner Specification
Item

Description

Type

Flatbed(with ADF)

Speed

Mono : 1.25 msec/line, Color : 2.5 msec/line

Device

Color CCD(Charge Coupled Device) Module

Interface

IEEE1284(ECP Support)
USB(without HUB Mode)

Compatibility

TWAIN Standard , WIA

Optical Resolution(H X V)

600 X 600 dpi

Interpolation Resolution

Max. 4800 dpi

Halftone

256 Levels

Effective Scan width

8.2 inches(208 mm)

2-5 Copy Specification
Item

Description

Mode

B/W

Quality

Text/Photo/Mixed

Mono Copy Speed(1)

Platen(SDMP) : 15 cpm
ADF (SDMP) : 15 cpm
ADF (MDSP) : Text/mixed : Approx. 8 cpm
: Photo
: Approx. 3 cpm

Optical Resolution (H x V)

600 X 600 dpi

Multi Copy

999 pages

Maximum Original Size

Legal

Maximum Page Size

Legal

Paper Type Selection

Plain , Legal , Cardstock , Transparency

Zoom Range

Platen : 25 ~ 400%(1% Step)
ADF : 25~100 %(1% Step)

NOTE :
(1) Speed claims based on the test chart : A4 size.
SDMP : Single Document Multiple Printout
MDSP : Multiple Document Single Printout

Samsung Electronics

2-3

Specification

2-6 Telephone Specification(SCX-5315F Only)
Item

Description

Speed Dial

80EA

Tone/Pulse

Tone only user modeTone/Pulse selectable in tech mode.

2-7 Consumables
Item
Type
Life

2-4

Description
Separate type
(Toner Cartridge / Drum Cartridge)

Toner Cartridge

6,000 sheets
( 5% coverage pattern, simplex normal mode )

Drum Cartridge

15,000 sheets
(simplex normal mode )

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Disassembly and Reassembly

3. Disassembly and Reassembly
3-1 General Precautions on Disassembly

When you disassemble and reassemble components, you must use extreme caution.
The close proximity of cables to moving parts makes proper routing a must. If components are removed, any
cables disturbed by the procedure must be restored as close as possible to their original positions. Before
removing any component from the machine, note the cable routing that will be affected.

Whenever servicing the machine, you must carry out the following :
1. Check to verify that documents are not stored in memory.
2. Unplug the power cord.
3. Use a flat and clean surface.
4. Replace only with authorized components.
5. Take care when removing plastic component-do not force.
6. Make sure all components are in their proper position.

3-2 Rear Cover
1. Remove the six screws securing the Rear Cover.

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2. Separate the rear cover from the base frame
and Scanner Ass'y.

3-1

Disassembly and Reassembly

3-3 Scanner Ass'y
1. Before you remove the Scanner Ass'y, you
should remove:
- Rear Cover (see page 3-1)

4. Open the Side Cover assembly first to open the
Front cover. In the other words, close the front
cover first to assembly it.

2. Take out the Shield Main Upper.Unplug the one
connector and CCD cable.

Side Cover Ass’y

2
1
Front Cover

Notice :

5. Remove two screws.

To avoid damage to the CCD cable connector ensure that
you pull the cable out carefully. Pull in line with the connector not at an angle.

3. Remove the three screws, as shown below.

3-2

Samsung Electronics

Disassembly and Reassembly

6. Pull up the Scanner Ass'y in the direction of
arrow.

8. Open the ADF Ass’y in the direction of arrow.
Pull the ADF Ass'y upward and remove it.

9. Remove the three screws securing the Platen
Ass'y.
7. Remove the connector from the Platen Ass'y.

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3-3

Disassembly and Reassembly

10. Pull the OPE Ass'y and unplug the one connector.

12. Unlatch the Scan Upper Ass'y securing the
glass and remove it.

Notice :
When dismantling the Scan Assy ensure your work area
is clean. Dirt or dust on the scan head can lead to a degradation in scanned image quality.

11. Remove the five screws securing the Platen Ass'y.

13. Remove the two scews and pull the Dummy
Upper Ass’y.

Dummy Upper Ass’y

3-4

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Disassembly and Reassembly

14. Remove the four screws and Channel Base
Frame.

16. Remove the CCD cable.

CCD Cable

Channel Base Frame

15. Remove the five screws and Dummy ScanLower.

17. Pull up the Shaft CCD and take out the Scanner
Module.

Shaft CCD
Pully
Scanner Module

Cover Dummy Lower

Cover Scan Lower

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Belt

18. Remove three screws and take out the Motor
Bracket.

3-5

Disassembly and Reassembly

19. Remove the OPE Harness from the Platen
PBA. Remove two screws and take out the
Platen PBA.

Platen PBA
OPE Harness

Notice :
Take special care when reassembling the CCD Module
onto the Platen Ass'y. The CCD Module is located just to
the right side the Belt Tension Spring as shown below.
Scanner Module

Belt Tension Spring

3-6

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Disassembly and Reassembly

3-4 ADF Ass'y
1. Before you remove the ADF Ass'y, you should
remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)

4. Pull the ADF Ass'y upward and remove it.

2. Remove the five screws from the Platen Cover.

Platen Cover Ass’y

Platen Cover Ass’y
5. Tack out he Open Cover.
3. Open the Cover. Remove Cover Side R. Unlatch
the Side Cover L by pushing the catch hooked to
the Platen Cover using a sharp tool and remove
Side Cover L.

Open Cover

Side Cover R
Side Cover L
Cover Open

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3-7

Disassembly and Reassembly

6. Take out the Pick-up Ass’y.
Remove the four screws and the ADF Upper.

7. Remove three screws and take out the ADF
Motor ass'y.

Pick-up Ass’y

ADF Upper

3-8

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Disassembly and Reassembly

3-5 OPE Ass'y
1. Before you remove the OPE Ass'y, you should
remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)

4. Remove the key pad from the unit.

2. Remove ten screws securing the OPE PBA and
the LCD Module from the OPE Cover.

Caution
The above information is for the SCX-5315F model.
For the SCX-5115 model, the OPE Ass’y is slightly different, prats maked “a” are not fitted.

3. Remove the contact rubbers from the unit.

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3-9

Disassembly and Reassembly

3-6 Side Cover Ass'y
1. Remove the two screws to release the Stopper(Main Frame side) securing the Side Cover
to the Main Frame.

* MP-Tray
1. To dismantle the MP tray release the lower
hinges (1).

2. Completely open the Side Cover door. The left
hand hinge (1) should be lifted to free it. Then
push the whole door assembly to the left to free
the right hand hinge (2).

2. As shown in (1) below align the door supports in
a horizontal position. This will allow the TrayCase to be removed from the Tray Links. To
remove the Tray-Links adjust the position of the
Tray Link to a 45?angle to align the slot in the
MP Tray

Tray Link

3-10

Tray-Case

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Disassembly and Reassembly

* Duplex Ass’y

* Transfer Roller Ass’y

1. To remove the Duplex Ass'y from the Side Door
Ass' locate the plastic clips, 2 on each side, and
release them.

1. Take out the Transfer Roller, as shown below.

Duplex Ass’y

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3-11

Disassembly and Reassembly

3-7 Fuser Ass'y
1. Before you remove the Fuser Ass'y, you should
ensure power is off and remove :
- Rear Cover Ass'y (see page 3-1)
- Side Cover Ass'y (see page 3-9)

4. Remove the three screws and take out the Fuser
Ass'y.

2. Remove the two screws and take out the Connector Cover and the Cover Bracket.

Cover Bracket

5. Remove the four screws and take out the Thermostat.

3. Unplug the one connector.

3-12

Halogen Lamp

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Disassembly and Reassembly

6. Remove the two screws and take out the Halogen Lamp.

7. Remove 2 screws and hinge open the Lower
Fuser Ass'y, remove the Heat Roller Ass'y from
the Upper Fuser Ass'y.

Thermostat
Heat Roller

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3-13

Disassembly and Reassembly

3-8 Exit Ass'y
1. Before you remove Exit Ass'y, you should
remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)

3. Move the Exit Roller Release Lever to the upright
position as shown in the diagram below and lift
the exit ass'y to remove it.

2. Remove four screws, and then untie the harness
from the Exit Upper. Unplug four connectors and
unlatch the Dummy Base Frame, as shown
below.

3-9 Cover Paper Exit Ass'y
1. Before you remove the Cover Paper Exit Ass'y,
you should remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page3-2)

2. Remove two screws and Cover Paper Exit Ass'y,
as shown below.
Cover Paper Exit Ass’y

3-14

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Disassembly and Reassembly

3-10 Drive Ass'y
1. Before you remove the Drive Ass'y, you should
remove:
- Rear Cover (see page 3-1)
- Shield Main Upper (see page 3-2)

4. Remove the five screws and take out the Drive
Ass'y.

2. Unplug the two connectors.
(Main Motor:9pin, Duplex Solenoid : 2pin)

Drive Ass’y

3. Remove the one screw and take out the Fan and
Dust Fan.

Fan
Dust Fan

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3-15

Disassembly and Reassembly

3-11 SMPS
1. Before you remove the LSU, you should remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)
- Cover Paper Exit Ass’y(see page 3-12)

3. Unplug the all connectors.

2. Remove three screws and take out the Shield
SMPS Upper.

4. Remove the SMPS, as shown below.

SMPS

3-16

Samsung Electronics

Disassembly and Reassembly

3-12 LSU (Laser Scaning Unit)
1. Before you remove the LSU, you should remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)
- Cover Paper Exit Ass’y (see page 3-12)

2. Unplug the two connectors.

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3. Remove the three screws and take out the LSU.

LSU

3-17

Disassembly and Reassembly

3-13 Cover Exit Rear
1. Before you remove the Cover Exit Rear, you
should remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)
- Exit Ass'y (see page 3-12)
- Cover Paper Exit Ass’y(see page 3-12)
- SMPS (see page 3-14)

3. Remove the one screw and Cover Exit Rear, as
shown below.

Cover Exit Rear

2. Remove the one screw and take out the Panel
Connect MPF.

3-18

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Disassembly and Reassembly

3-14 Main Frame Ass'y
1. Before you remove the LSU, you should remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)
- Side Cover Ass'y (see page 3-9)
- Fuser (see page 3-11)
- Exit Ass'y (see page 3-12)
- Cover Paper Exit Ass’y(see page 3-12)
- SMPS (see page 3-14)
- LSU (see page 3-15)

4. Unplug the all connectors.

2. Remove the OPC Ground Screw (see diagram).
Take care when re-assembling as if the thread is
stripped the OPC ground may become intermittent causing print faults. Then remove the rest of
the five screws to dissassemble the Dummy
Base Frame, the Cover Front and the Exit Roller
release cam.
OPC Ground Screw

Dummy Base Frame
Cam Jam Remove

5. Remove the seven screws and take out the
Main Frame Ass'y.
Main Frame Ass’y

Front Cover

3. Remove the Deve Lock Lever, and then remove
the one screw and the Cover Motor Bracket.
Cover Motor Bracket

Lock Deve

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3-19

Disassembly and Reassembly

3-15 MP Ass'y
1. Before you remove the MP Ass’y, you should
remove:
- Rear Cover (see page 3-1)
- Shield Main Upper (see page 3-2)
- Side Cover Ass'y (see page 3-9)

4. Remove the three screws.

2. Unplug the two connectors.

5. Release the SMPS fit. Pull the MP Ass'y upward
and remove it.

3. Remove the one screw and take out the Dummy
Cover.

MP Ass’y

Dummy Cover

3-20

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Disassembly and Reassembly

3-16 Feed Ass'y
1. Before you remove the Feed Ass’y, you should
remove:
- Rear Cover (see page 3-1)
- Scanner Ass'y (see page 3-2)
- Side Cover Ass'y (see page 3-9)
- Exit Ass'y (see page 3-12)
- Cover Paper Exit Ass’y(see page 3-12)
- LSU (see page 3-15)
- Main Frame Ass’y (see page 3-17)

3. Pull the Feed Ass'y upward and remove it.

Feed Ass’y

2. Remove the three screws.

Feed Ass’y

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3-21

Disassembly and Reassembly

3-17 Pick Up Ass'y
1. Before you remove the Pick Up Ass’y, you should
remove:
- Rear Cover (see page 3-1)
- Shield Main Upper (see page 3-2)
- Drive Ass'y (see page 3-13)

3. Remove the two screws and take out the Cassette Rail.

2. Unplug the three connectors.

Cassette Rail

4. Remove the four screws and take out the Pick Up
Ass'y, as shown below.

Guide Paper Out

Pick-up Ass’y

3-22

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Disassembly and Reassembly

3-18 Main PBA
1. Before you remove the Main PBA, you should
remove:
- Rear Cover (see page 3-1)
- Side Cover Ass'y (see page 3-9)
- Cover Paper Exit Ass’y(see page 3-12)
- SMPS (see page 3-14)

3. Remove the five screws and take out the main
PBA from the Shield Main Lower.

Main PBA

2. Remove the two screws and take out the Shield
Main Lower.

Shield Main Lower
4. Remove the one screw and unlatch the LIU PBA
securing the main PBA and remove it.

LIU PBA
(Only SCX-5315F)

Main PBA

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3-23

Troubleshooting

4. Maintenance & Troubleshooting
This chapter covers product maintenance, problem diagnosis and troubleshooting. It includes instructions for
diagnosing and resolving print quality problems.
This service manual covers both the SCX5315F and SCX5115 models. SCX5115 has printer, copier and
scanner functions. The SCX5315F has all of the features of the SCX5115 and in addition has Fax capabilities.
The manual contents are primarily written for the SCX5315F, where there are differences between the two
models this is highlighted.

4-1 Preventative Maintenance
The cycle period outlined below is a general guideline for maintenance.
The example list is for an average usage of 50 transmitted and received documents per day.
Environmental conditions and actual use will vary these factors.
The cycle period given below is for reference only.

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COMPONENT

REPLACEMENT CYCLE

ADF Rubber

20,000 Pages

ADF Roller

50,000 Pages

Pick-up Roller

75,000 Pages

Transfer Roller

75,000 Pages

Fuser

75,000 Pages

Toner Cartridge

6,000 Pages

Drum Cartridge

15,000 Pages

4-1

Troubleshooting

4-2 Error Messages
Error Message

Description

Solution

RETRY REDIAL?

The machine is waiting for the programmed interval to automatically redial.

You can press START to immediately
redial, or STOP to cancel the redial
operation.

COMM. ERROR

A problem with FAX communications has
occurred.

Try again.

DOCUMENT JAM

Loaded document has Jammed in the scanner
document feeder

Clear the document Jam.

DOOR OPEN

The side cover is not securely latched

The side door and front door must be
closed in the correct order. Open both
doors. Close the front door first then
close the side door.

GROUP NOT AVAILABLE

You have tried to select a group location where
only a single location number can be used, such
as when adding locations for a multi-dial operation.

Try again, check location for group.

LINE ERROR

Your unit cannot connect with the remote
machine, or has lost contact because of a problem on the phone line.

Usually caused by a telephone line
problem. Try again. If failure persists,
wait an hour or so for the line to clear
then try again

LOAD DOCUMENT

You have attempted to set up a sending operation with no document loaded.

Load a document and try again.

MEMORY FULL

The memory has become full.

Either delete unnecessary documents, or
retransmit after more memory becomes
available, or split the transmission into
more than one operation.

NO ANSWER

The remote machine was not answered after all
the redial attempts.

Try again.
Make sure the remote machine is OK.

NO. NOT ASSIGNED

The speed dial location you tried to use has no
number assigned to it.

Dial the number manually with the keypad, or assign the number.

NO PAPER
[ADD PAPER]

There is no paper in the paper cassette. Printing
stops until paper is loaded.

Re-load the paper cassette.

OVERHEAT

The printer part has overheated.

Your unit will automatically return to the
standby mode when it cools down to normal operating temperature. If failure persists, call service.

PAPER JAM 0
OPEN/CLOSE DOOR

Recording paper has jammed in paper feeding
area.
Recording paper is jammed in pick-up unit

Press STOP and clear the jam.

PAPER JAM 1/2
OPEN/CLOSE DOOR

Recording paper has jammed inside the unit.
Recording paper has jammed in paper exit unit.

Clear the jam.

TONER LOW

Toner cartridge is almost empty, or toner particles
in the cartridge are unevenly distributed in the cartridge

Remove the toner cartridge and gently
rock it from side to side.
Try again. If problem persists replace the
cartridge.

TONER EMPTY

Toner cartridge is now empty

Replace the Toner Cartridge.

4-2

Samsung Electronics

Troubleshooting

Error Message

Description

Solution

DRUM WARNING

A warning that the OPC drum has almost reached
the end of its life (14,000 Sides)

You have 1000 pages of print life left in
the OPC Drum. Continue to use, order
a new OPC drum.

REPLACE DRUM

OPC drum is now life-expired
(15,000 sides)

Replace the OPC Drum Cartridge.

NO CARTRIDGE

When the machine detects that the toner cartridge
has not been installed.

Install the Cartridge.

BYPASS JAM

Paper feed problem from the BYPASS (Manual
feed) Tray.

Open the side Cover and clear the jam.

DUPLEX JAM

Paper feed problem in the duplex return path

Release Output Feed lever and check
output area clear. Also open side door
and check duplex unit is clear.

LINE BUSY

The remote FAX didn’t answer

Try again.

OPEN HEAT EROR

No power to the Fuser lamp

Check thermostat, thermistor, fuser lamp
and fuser connector and associated wiring. Also check the ‘Fuser On’ signal
from main PWA to Power Supply. Check
cable from Main PWA to Power Supply

Heating Error

During operation, Temperature does not go up

Check thermister contact point &
Heating Lamp.

Scanner Locked

Scanner head does not move.

Check transit lock, check scanner cables
are connected, check scanner home
sensor, scanner motor or drive belt.

Samsung Electronics

4-3

Troubleshooting

4-3 User Mode
The table below shows the settings and functions available in the User Mode. These are described in the user
Guide. The table is given here to indicate possible settings that the user may have changed.

4-3-1 SCX-5315F
✳❑n❄❏❊on
SYSTEM DATA

SYSTEM ID

✶❏❆m
CASSETTE PAPER

✰on❏❆n❏
LETTER / A4 / LEGAL

BYPASS PAPER

LETTER / A4 / LEGAL

MESSAGE CONF.

ON / OFF / ERROR

AUTO JOURNAL

ON / OFF

RECEIVE CODE

0-9

POWER SAVE

ON / OFF

ECM MODE

ON / OFF

RX REDUCTION

ON / OFF

DISCARD SIZE

0-30mm

REDIAL INTERVAL

1-15

REDIALS

1-13

ANSWER ON RING

1-7

SEND FROM MEMORY

ON / OFF

LOCAL ID

ON / OFF

CLOCK MODE

12 / 24 HOUR

FAX / ID

DATE & TIME
SYSTEM SETUP

PREFIX DIAL NO.
SECURE RECEIVE
RINGER VOLUME

LOW / HIGH (10 STEPS)

ALARM SOUND

ON / OFF

KEY SOUND

ON / OFF

SPEAKER CONTROL

COM / ON /OFF

SELECT LANGUAGE

ENG/GER/FRE/ITA/SPA/POR/DUT

USB MODE

FAST / SLOW

FAX DUPLEX

OFF / LONG EDGE / SHORT EDGE

IMAGE QUALITY

NORMAL / TEXT / IMAGE

SCAN SLEEP MODE HOME SET
MEMORY CLEAR

SYSTEM ID
SYSTEM DATA
PHONE BOOK / MEMORY
TX-RX JOURNAL

DELAY TX
MEMORY TX
PRIORITY TX
POLLING
ADD/CANCEL

ADD / CANCEL

GROUP DIAL

4-4

Samsung Electronics

Troubleshooting

✳❑n❄❏❊on
MAINTENANCE

✶❏❆m

✰on❏❆n❏

CLEAN DRUM
NEW DRUM
NOTIFY TONER LOW

ON / OFF

TX CONFIRM
SCHEDULE JOB
PHONE BOOK
SYSTEM LIST
TX JOURNAL
RX JOURNAL
HELP LIST

HELP LIST

4-3-2 SCX-5115
✳❑n❄❏❊on
SYSTEM DATA

✶❏❆m
CASSETTE PAPER

✰on❏❆n❏
LETTER / A4 / LEGAL

BYPASS PAPER

LETTER / A4 / LEGAL

POWER SAVE

ON / OFF

SELECT LANGUAGE

ENG/GER/FRE/ITA/SPA/POR/DUT

USB MODE

FAST / SLOW

HELP LIST

PRINTOUT

MAINTENANCE

CLEAN DRUM
NEW DRUM

REPORTS

SYSTEM DATA
HELP LIST

HELP LIST

4-4 Tech Mode
4-4-1 How to Enter Service Mode
In service mode (tech) mode, the technician can check the machine and perform various tests to isolate the
cause of a malfunction.
To enter the Tech mode, press MENU, #, 1, 9, 3, 4 in sequence, and the LCD briefly displays ‘T’ or ‘TECH’,
the machine has entered service (tech) mode.
While in Tech mode, the machine still performs all normal operations.
To return to normal user mode, press MENU, #, 1, 9, 3, 4 in sequence again, or turn the power off, then on
by unplugging and plugging the power cord.
Options changed while in service mode remain in effect until they are changed again or until you clear the
machine’s memory.

Samsung Electronics

4-5

Troubleshooting

4-4-2 Setting-up System in Tech Mode
4-4-2-1 SCX-5315F(SETUP : #, 1, 9, 3, 4)
✳❑n❄❏❊on
SYSTEM DATA

✶❏❆m
DIAL MODE

✰on❏❆n❏
TONE / PULSE

MODEM SPEED
ERROR RATE

5% /10%

SET TX LEVEL

09-15

SILENCE TIME

12 / NU / OFF

SYSTEM ID

The same as User Mode

DATE & TIME

The same as User Mode

SYSTEM SETUP

The same as User Mode

MEMORY CLEAR

CLEAR ALL MEMORY

DELAY TX

The same as User Mode

MEMORY TX

The same as User Mode

PRIORITY TX

The same as User Mode

POLLING

The same as User Mode

ADD/CANCEL

The same as User Mode

GROUP DIAL

The same as User Mode

MAINTENANCE

CLEAN DRUM
NEW DRUM
NOTIFY TONER LOW

ON / OFF

SWITCH TEST
MODEM TEST
SRAM TEST
DRAM TEST
ROM TEST

FLASH / ENGINE

PATTERN TEST

PATTERN1-7, QAPATTERN1-4, ALL"1-7 , ALL"

CLEAR COUNT

PASSWORD (1934)
CRU PRINTS COUNT
FLT SCAN COUNT
ADF SCAN COUNT
USED DRUM COUNT
USED TONER COUNT
TOTAL PAGE COUNT

ANSWER ON CNG

1-4

ADJUST SHADING
FLASH UPGRADE

LOCAL
REMOTE : USER PROGRAM ,
EMULATION ,BOOT PROGRAM

PROGRAM DIAL
TX CONFIRM

The same as User Mode

SCHEDULE JOB

The same as User Mode

PHONE BOOK

The same as User Mode

SYSTEM LIST

USER MODE

TX JOURNAL

The same as User Mode

RX JOURNAL

The same as User Mode

4-6

Samsung Electronics

Troubleshooting

✳❑n❄❏❊on
REPORTS

✶❏❆m
MSG. CONFIRM

✰on❏❆n❏

SCHEDULE JOB
PHONE BOOK
SYSTEM DATA
TRANSMISSION
RECEPTION
HELP LIST
PROTOCOL
ERROR CODE

4-4-2-2 SCX-5115(SETUP : #, 1, 9, 3, 4)
✳❑n❄❏❊on
SYSTEM DATA

MAINTENANCE

✶❏❆m
CASSETTE PAPER

✰on❏❆n❏
LETTER / A4 / LEGAL

BYPASS PAPER

LETTER / A4 / LEGAL

POWER SAVE

ON / OFF

SELECT LANGUAGE

ENG/GER/FRE/ITA/SPA/POR/DUT

USB MODE

FAST / SLOW

CLEAN DRUM
MODEM TEST
NEW DRUM
SWITCH TEST
SRAM TEST
DRAM TEST
ROM TEST

FLASH / ENGINE

PATTERN TEST

PATTERN1-7, QAPATTERN1-4 , ALL

CLEAR COUNT

PASSWORD
CRU PRINTS COUNT
FLT SCAN COUNT
ADF SCAN COUNT
USED DRUM COUNT
USED TONER COUNT
TOTAL PAGE COUNT

ADJUST SHADING
FLASH UPGRADE
REPORTS

SYSTEM DATA
HELP LIST

HELP LIST

ERROR CODE

Samsung Electronics

4-7

Troubleshooting

4-4-3 SYSTEM DATA
DIALING MODE
Select the dialing mode according to the user's line status.
TONE: Electrical type of dial
PULSE: Mechanical type of dial

SILENCE TIME
In ANS/FAX mode, after a call is picked up by the answering machine, the machine monitors the line. If a
period of silence is detected on the line at any time, the call will be treated as a fax message and the machine
begins receiving.
Silence detection time is selectable between limited (about 12 seconds) and unlimited time.
When '12 sec' is selected, the machine switches to receiving mode as soon as it detects a period of silence.
When 'unlimited'is selected, the machine waits until the answering operation is concluded even though a
period of silence is detected. After the answering operation is concluded, the machine switches to receiving
mode.

SEND FAX LEVEL
You can set the level of the transmission signal. Typically, the Tx level should be under -12 dBm.
Caution: The Send Fax Level is set at the best condition in the shipment from factory. Never change
settings arbitrarily.

ERROR RATE
Tou can set the Error Rate between 5% and 10%. During operation the set monitors the rror rate.
When the rror rate approaches the preset value the machine automatically steps down the baude to 2400bps
to ensure that the selected error rate is not exceeded.

MODEM SPEED
You can set the maximum modem speed. It is better left set 33.6Kbps (the default setting ).
During call setup the baud rate is automatically adjusted to suite the slowest device. Only adjust this where
the local line conditions are extremely poor.

4-4-4 MEMORY CLEAR
CLEAR ALL MEMORY
This function resets the system to its original factory settings. All settings entered in User Mode and Tech
Mode are reset. This includes any User Phone Book entries, jobs stored in memory or received documents
that have not been printed. If possible use the Control Panel software to download customer settings and
phone book settings before carrying out a full reset.
When diagnosing or testing a faulty unit this function is often useful. Be aware that all error reports are also
cleared.
< Method >
1. Select the [MEMORY CLEAR] in TECH MODE.
2. Push the ENTER button.
3. Select your country.
4. Push the ENTER button and all memory will be cleared.

NOTICE : Always perform a memory clear after replacing the main board or updating the firmware. Otherwise, the system may not operate properly.

4-8

Samsung Electronics

Troubleshooting

4-4-5 MAINTENANCE
CLEAN DRUM
Use this feature to remove toner particles remaining in the OPC drum unit.
Use this feature when print quality falls or when marks or specks appear on the printout.
You should perform this feature several times until a clean printout appears.
The machine automatically pulls in a sheet of paper and prints out. Excess toner particles on the OPC drum
surface are fixed to the paper.

FLASH UPGRADE
This function is used to update the system Firmware. There are 2 methods Local and Remote.
More information can be found in the firmware upgrade section.

ADJUST SHADING
This option is used to test and check the functionality of the CCD (Charge Coupled Device). Use this when
poor quality scanning or copying is reported.

< Method >
1. Select the [ADJUST SHADING] in TECH MODE.
2. Push the SET UP button. The unit scans
a “white image” using the ‘white bar’
3. After the scan, CCD SHADING PROFILE similar to that
shown will be printed out.
4. If the printed image is different to the image, if the lines
are significantly lower or higher, or if there are high or low
spots in the chart then the CCD is defective.

NOTICE : When you test the CCD, make
sure that the cover is closed.”

ANSWER ON CNG
The function is to control the CNG TONE recognition times for entering receiving mode from the AUTO MODE
or ANS/FAX MODE.

Samsung Electronics

4-9

Troubleshooting

CLEAR COUNT
This function erases the counters stored in system memory. These are shown in the highlighted area in the
Sytem data List shown below (printed in TECH MODE)
Note the Current Drum Page Count cannot be erased. This is cleared using the NEW DRUM function (USER
MODE ⇒ MAINTENANCE ⇒ NEW DRUM)”

FIRMWARE VERSION
ENGINE VERSION
EMULATION VERSION

:
:
:

TOTAL PAGE COUNTS
CRU PRINTS
REPLACED TONER COUNTS
REPLACED DRUM COUNTS
CURRENT DRUM COUNTS
PLATEN SCAN PAGE COUNTS
ADF SCAN PAGE COUNTS

:
:
:
:
:
:
:

1.00
1.00
PCL6 2.32 07-11-2001
PCL5e 1.48 07-19-2001
123
123
1
1
112
23
10

< SYSTEM DATA LIST >

PATTERN TEST
Using this pattern printout, you can check if the printer mechanism is functioning properly.
It is used in the production process and is not intended for Service use.”

ROM TEST
Use this feature to test the machine'S ROM. The result and the software version appear in the LCD display.
• FLASH VER : 1.00 V
• ENGINE VER :1.00V

DRAM TEST
Use this feature to test the machine's DRAM. The result appears in the LCD display.
If all memory is working normally, the LCD shows << O K >>

SRAM TEST
Use this feature to test the machine's SRAM. The result appears in the LCD display.
If all memory is working normally, the LCD shows << O K >>

MODEM TEST
Use this feature to hear various transmission signals to the telephone line from the modem and to check the
modem. If no transmission signal sound is heard the modem may be faulty.”

SWITCH TEST
Use this feature to test all keys on the operation control panel. The result is displayed on the LCD window
each time you press a key.
4-10

Samsung Electronics

Troubleshooting

NOTIFY TONER LOW
With this feature enabled, when the toner becomes low, the toner low information will be sent to a specified
contact point, for example, the service company. After you access this menu, select ON, and when the LCDprompts, enter the name and the number of the contact point, the customer's fax number, the model name,
and the serial number.”

PROGRAM DIAL
This is a special feature which allows the TECH USER to set parameters for a specific dialed location (which
must be in the one touch or speed dial phone books). Parameters can be set to override the normal; default
settings to enable the machine to cope with calls to destinations with known line problems”

4-4-6 REPORT/HELP
MSG. CONFIRM
It shows the result of the last send operation.

PROTOCOL LIST
This list shows the sequence of the CCITT group 3 T.30 protocol during the most recent sending or receiving
operation. Use this list to check for send and receive errors. If a communication error occurs while the
machine is in TECH mode, the protocol list will print automatically.

Facsimile Information Field
data described in hexdecmal code
Sending/Receiving

Name of signal
(Facsimile Control Field)

FIF data described
in ASCII code

PROTOCOL DUMP LIST

S/R FCF
S
S
S
S
S
S
R
R
S
R
R
S
R
S
S

FIF DATA!

NOV-20-2001

ASCII

NSF 61005820003380140200001302090018010000
CSI 2020202020202020202020202O20202020202020
DIS 00000000 01110111 00010111 00100010
NSF 61005020003380140200001302090018010000
CSI 202020202020202020202022O202020220202020
DIS 00000000 01110111 00010111 00100010
TSI 2020202020202020202020202O20202020202020
DCS 00000000 01100001 00010101 00000000
FTT
TSI 2020202020202020202020202O20202020202020
DCS 00000000 01100001 00010101 00000000
CFR
MPS
MCF
DCN

HELP
It shows a brief description on the machine's basic functions and commands.
Use it as a quick reference guide

Samsung Electronics

4-11

Troubleshooting

RECEPTION
This journal shows information relating to document reception, the time and dates of up to 40 of the most
recent documents received are stored.

TRANSMISSION
This journal shows information relating to document transmission, the time and dates of up to 40 of the most
recent documents transmitted are stored.

SYSTEM DATA
This list provides a list of the user system data settings and tech mode settings.

PHONEBOOK
It lists all telephone numbers that have been stored in the machine.

SCHEDULE JOB
This list shows information relating to the documents currently stored for delayed transmission. It provides the
operation number, starting time, type of operation, etc.

ERROR CODE
This list shows a list of errors that have occurred since the last memory clear.

4-4-7 Firmware Upgrade
This function is used to update the machines Firmwar, there are two Upgrade methods - local and remote.

4-4-7-1 Local Machine
RCP(Remote Control Panel) mode
This method is used with the machine connected using either a Parallel Port or USB Port to a PC and uses
the RCP (Remote Control Panel) software to upgrade the Firmware.
< Method >
How to Update Firmware using RCP
1. Connect PC and Printer with Parallel Cable or USB Cable.
2. Execute RCP and select Firmware Update. Current Firmware version and Emulation Version are displayed
on Current version window.
3. The Firmware file must be stored on the PC, in a path close to the root of C:, ie C:\TEMP. Search for the
firmware file to use to update the machine by using the Browse Icon.
4. Click the Update icon, the firmware file is transmitted to the Printer automatically and the printer is initialized
when the update is finished.
5. Click the Refresh icon and check that the version number displayed matches the new firmware just loaded.”

4-12

Samsung Electronics

Troubleshooting

DOS Command mode
This method is just for Parallel Port. Connect to PC with Parallel cable and enter DOS Command to upgrade
the Firmware.

< Method >
a). You will need the following files:- down.bat, down_com.bin, fprt.exe, and “Rom File”: this is the firmware file to be loaded
into the printer. Save the files in the same folder, close to the root of C;, e.g. C\TEMP
b). At a DOS prompt, input one of the commands shown below and press the enter key. The file will then be sent automatically to
the printer.
c) There are two commands use the correct one depending on the printer status.
* when the printer is in the user mode and is in the normal ready condition: down "rom file"
* When the product is been placed in the upgrade mode (TECH MODE → MAINTENANCE → FLASH UPGRADE → LOCAL)
fprt "rom file"
d) Do not turn off the power while the upgrade is in process.”

4-4-7-2 Remote FAX
This function uses one fax machine already loaded with the latest firmware to upgrade one or more other
remote machines of the same type using the telephone network.
< Method >
1. Operate a fax with the latest firmware to prepare it to send the upgrade. (TECH MODE MAINTENANCE
FLASH UPGRADE REMOTE)
2. Input the telephone number of the fax machine to be upgraded. (Several faxes can be upgrade at the same
time. In this case, enter the telephone number for each machine.)
3. Then press the enter button, this will send the firmware file by calling to the each of the selected fax
machines in turn. (Around 10~15 minutes is needed to send the file to each machine.)
< Caution >
1. The sending and receiving fax machines must be the same model.
2. A sending fax must be set up as ECM mode, and the receiving machine memory must be set up as 100%.
If not the upgrade will fail.”

4-4-8 Identify Sale Date(Only SCX-5315F)
This function confirms the date that the consumer first uses the product. The date stored is the date of the first
scan or first print whichever operation the user carries out first.
This information is retained even after a memory delete (Clear All Memory).

< Method >
Press MENU, #, 1, 9, 3, # in sequence. The Firmware version is displayed on the LCD.
Press 1( in the number keypad) : The LCD display shows "Updated date"
Press 2( in the number keypad) : The LCD display shows "Product first use date"

Samsung Electronics

4-13

Troubleshooting

4-5 ENGINE TEST MODE
The Engine Tests Mode provides useful test functions for checking the status of the print engine.
It can test many of the separate sections of the print engine and displays the result of the test on the LCD.
These tests are classified in 6 groups (0~5), and the functions of these tests are shown below.

4-5-1 To enter the Engine Test Mode
Press MENU, #, 1, 9, 3, 1 in sequence, and the LCD briefly displays ‘Engine Test Mode’, the machine has
entered service (tech) mode.

4-5-2 Diagnostic
Remark

No.

Sub No.

Motor Test

1: On,

2: Off

PTL T est

1: On,

2: Off

Fan T es t

1: On,

2: Off

Fus er Test

1 : On, 2: Off
If its temperature is lower than the Standby
(160 C), the fuser is on, but if it is higher than
the Standby, the fuser is off.

LSU Motor Test

1: On,

2: Off

LSU Hsy nc Test

1: On,

2: Off

LD On Test

1: On,

2: Off

LSU Operation

1: On,

2: Off

Feed Sensor T es t

Sensor O n : FEED SENSOR ON Display

Exit Sensor Test

Cov er Sensor Tes t

1’st Empty Test

MP Empty Sensor Test

BIN FULL Sensor Test

1’st CAST Solenoid Test

1: On,

2: Off

MP Solenoid Test

1: On,

2: Off

Duplex Solenoid T es t

1: On,

2: Off

MHV Test

1: On,

2: Off (-1450v)

Dev Bias Test

1: On,

2: Off (-450v)

THV EN/NEG Tes t

1: On,

2: Off

THV Tes t

1: On,

2: Off (1300v)

THV Trigger Test

1: On,

2: Off

CRU Error Check

1: Check, 2: Next

New OPC Check

1: Check, 2: Next

All Function Test

For SMD Test, Pus h up k ey : Next function
All Function : No.0~4

Engine test

Sensor O ff : FEED SENSOR OFF Display
Sensor O n : EXIT SENSOR ON Display
Sensor O ff : EXIT SENSOR OF F Display
Sensor O n : COVER SENSOR ON Display
Sensor O ff : COVER SENSOR OFF Display
Sensor O n : 1’s t PAPER Empty Display
Sensor O ff : 1’s t PAPER No Empty Display
Sensor O n : MP PAPER Empty Dis play
Sensor O ff : MP PAPER No Empty Display
Sensor O n : BIN FULL SEN ON Display
Sensor O ff : BIN FULL SEN O FF Display
3

4-5-3 ENGINE PRINT
When the function is enabled a group of parameters are printed at the bottom of each page which define the
print engine condition. It is a manufacturing test feature not intended for service use.
This setting remains enabled even when you exit from Engine Mode. Remember to turn it off.

4-14

Samsung Electronics

Troubleshooting

4-6 Troubleshooting
4-6-1 Scanner
4-6-1-1 COPY

PROBLEM
White copy

Black copy

Defective image quality

Abnormal noise

Samsung Electronics

ITEMS TO BE CHECKED.

HOW TO SOLVE

• Ensure the Scanner cover is closed.

• Room lighting can penetrate thin paper
causing quality problems

• Check shading profile

• Carry out the “Adjust Shading” procedure
in Tech mode

• Check the CCD problem in Main PBA.

• Check the CCD harness contact.

• Check shading profile.

• Remake shading profile in the tech mode.

• Check shading profile.

• Carry out the “Adjust Shading” procedure
in Tech mode

• Check the original is laying flat on the scanner glass.

• A gap above 0.5mm can cause a blurred
image.

• Check printing quality.

• See “Print” troubleshooting.

• Check the Scanner drive mechanism.

• Check scanner carriage, motor, gearbox,
belt and belt tension spring

• Check the Motor Driver chip on the driver
PBA.

• If any driver is defective, replace it. - U2-4,
11, 18, 25 signals swing between OV and
24V when operating.

4-15

Troubleshooting

4-6-1-2 PC-Scan

PROBLEM
Scanning Error

Defective image
Quality

Abnormal noise

4-16

ITEMS TO BE CHECKED.

HOW TO SOLVE

• Check the printer cable is correctly
installed.

• Use standard IEEE1284 cable.

• Check that the TWAIN driver is installed.

• Remove any other scanner driver.
• Reboot after reinstallation of the TWAIN
driver.

• Check the printer port (Parallel) BIOS settings.

• Check the parallel-port-related items in the
CMOS Setup. As a printer port, ensure
ECP is selected.

• Check harness contact.

• Check CN12 contact in Main PBA

• Check the IEEE1284 signal levels.

• If any signal level is defective, replace
driver PBA.
- U33-26, 27, 28, 43, 44, 45, 46, 47 on Main
PBA are 0.8V to 2.4V TTL signal.
• Otherwise, replace Main PBA.

• Check the USB signal level.

• If USB signal level is defective, replace
Main PBA.

• Check shading profile.

• Remake shading profile in the tech mode.

• Check the gap between original and scanner glass.

• The gap above 0.5mm can cause a
blurred image.

• Check the Scanner Motor and any
mechanical disturbance.

• Check the right position of the Scanner
Motor, and check the any mechanical disturbance in the CCD carriaging part.

• Check the motor driver in Driver PBA.

• If any driver is defective, replace it.
- U2-4, 11, 18, 25 = 0V to 24V swing signal
when operating.

Samsung Electronics

Troubleshooting

4-6-2 FAX(only SCX-5315F)
4-6-2-1 FAX/TELEPHONE Precautions
PROBLEM
TEL LINE CANNOT BE
ENGAGED
(NO DIAL TONE)

ITEMS TO BE CHECKED.
• When you press “ OHD” key:
a) Check line cord connection.
b) Check MAIN LIU harness, and CN1
(LIU PBA).
c )Check relay operation of LIU PBA :
Is the control signal of CN18(main) low?

HOW TO SOLVE
a) insert it correctly into the connection
jack called “line”.
b) Replace defective parts.
c) Replace main PBA IF the control signal
of CN18(main) is high.
Replace LIU PBA if high but phone line
cannot be connected.

Cannot MF dial

• Check CN18 (main PBA), MAIN-LIU
harness, and CN1 (LIU PBA)

• Replace defective parts.

MF dial is possible but
not DP dial.

• Check DP control signal of CN18-11 of
MAIN PBA and the circuit around R15. U6
and Q2 of Liu PBA.

• Replace LIU PBA.

Defective fax transmission

• Check CN18 (main PBA), MAIN LIU
harness, and CN1(LIU PBA).
• Is the external phone hooked off?
• Check ‘hook off’ : Refer to ‘TEL LINE
CANNOT BE ENGAGED’ above.
• Check transmission path : Check output of
CN20-3.4 and T2-4(LIU PBA).
• Check reception path : Check output CN11 (LIU PBA) and input of CN18-1
(main PBA).

• Replace defective parts.
• Replace LIU PBA if low.
• Refer to ‘TEL LINE CANNOT BE
ENGAGED’ above.
• Replace main PBA, if abnormal.
• Replace LIU PBA if CN1-1(LIU PBA) is not
confirmed.
Replace main PBA if CN20-1(MAIN PBA)
is not confirmed.

Defective automatic fax
reception

• Is the ring checked?
Check ring pattern at CN1-9 (LIU PBA).
• Refer to ‘Defective Transmission.’

• Replace LIU PBA if it cannot be checked.
• Refer to ‘Defective Transmission’.

Samsung Electronics

4-17

Troubleshooting

4-6-3 Print Quality
Error Status
Vertical black line and
band

Check

Solution

1. Faulty Toner cartridge
2. LSU
3. Bad cleaning blade of drum cartridge.

1. Change Toner cartridge
2. Replace LSU
3. Chang Drum cartridge.

1. LSU window contamination
2. Toner cartridge

1. Clean LSU window
2. If not LSU, change Toner cartridge.

1. OPC is properly grounded?
2. LSU running well?
3. Bias voltage is correct?
4. Toner low?
5. Is there video data from Main PBA

1. Measure the resistance between frame
ground and the OPC ground spring
attached to the frame. Confirm good
ground. If faulty check ground path
through the frame . Also check OPC
Ground Screw – see page 3-18
2.Adjust LSU or replace it
3. Normal Dev bias = -440V
4. Shake toner cartridge and print. If an
image appears toner is empty
5. Print engine test pattern , replace Main
PBA

1. LSU light power normal?
2. Enough toner?
3. High charger voltage?
4. Lower bias voltage
5. Contamination of high voltage contact.
6. Transfer voltage and roller.

1. Checking LSU light power is difficult. Compare with new one and check.
2. Check toner and developer counter
3~4. Change the HVPS Board.
5. Stray toner can increase contact resistance and cause a bad contact. Clean
contaminated area.

1. LSU light power normal?
2. Bias voltage output is high?
3. Video data is always supplied?
4. Bad C/R voltage contact.

1. Checking LSU light power is difficult. Compare with new one and check.
2. Normal Dev bias = -350V
3. Check Video Data signal(CN2). Replace
main PBA board.
4. Replace Drum Cartridge or check where
is bad point of machine.

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Vertical white line

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
No image

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Light image

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Dark image

Digital Printer
Digital Printer

4-18

Samsung Electronics

Troubleshooting

Error Status
Background

Check

Solution

1. High voltage output is normal?
2. C/R of Toner cartridge is contaminated?

1. Change the HVPS Board.
2. Print a number of “Cleaning” sheets – if
problem persists change the cartridge..

1. High voltage output.
2. Pre-Transfer Lamp.
3. Bad high voltage contact.

1. Change the HVPS Board.
2. Check PTL lamp comes on –replace if
necessary
3. Clean the inside machine or replace toner
cartridge.

Stains on back of
paper

1. Contamination of transfer roller.
2. Toner debris in paper path
3. Pressure roller contamination

1. Clean the transfer roller with vacuum
cleaner.
2. Clean the paper path with a cloth or air
duster.
3. Remove fuser and replace it.

Poor Fusing

1. Paper quality and finish?
2. Check fusing temperature.
3. The machine was kept at a low temperature for a long time?

1. Should use recommended paper.
2. Check engine controller board. If you do
not have a thermometer, measure the
thermistor voltage to CPU, If 2.3V±5%
when printing is correct therwise disassemble fthe user and check the thermistor
contacts and thermistor.
3. Re-check after allowing the machine to
come up to room temperature.

Partial blank image
(not periodic)

1. Toner is low?
2. The toner cartridge is out of position?

1. Replace Toner cartridge.
2. Checkand adjust.

Partial blank image
(periodic)

1. repatative white or black marks at regular
intervals.

Measure the spacing of the marks and compare the spacing to those given in the table
below.

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Ghost

Digital
Digital Printer
Printer
Digital
Digital Printer
Printer
Digital
Digital Printer
Printer

• Spacing 1 and 2 – Replace the OPC
• Spacing 3 and 4 – replace the toner car
tridge
• Spacing 5 – replace the transfer roller
• Spacing 6 and 7 – replace the Fuser.

Samsung Electronics

4-19

Troubleshooting

Error Status

Check

Solution

Different image density
(left and right)

1. Uneven pressure between Charge roller
and OPC Drum
2. Uneven pressure between Dev roller and
OPC drum
3. Transfer roller’s pressure force uneven at
each side

1. Change OPC cartridge
2. Change toner and / or OPC Drum
3. Check left and right transfer roller springs

Horizontal lines or
bands

1. Bad contact on high voltage terminal
2. Contamination of charge roller
3. Contamination of heat roller 4. Malfunction
of LSU

1. Clean each contact and check continuity
2. Print several “cleaning sheets” – replace
OPC drum if problem persists.
3. Replace fuser unit
4. Check Main PBA., LSU harness and LSU

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Abnormal Image Printing and Defective Roller
If abnormal image prints periodically, check the parts shown below.
NO

Roller

Abnormal image period

Kind of abnormal image

OPC Drum

94.3 mm

White spot. Black spot

Charge Roller

37.7 mm

White spot. Black spot

Supply Roller

35.8 mm

Horizontal dark band

Develope Roller

44.8 mm

Horizontal dark band

Transfer Roller

56.6 mm

Contamination on reverse side of paper / transfer fault

Heat Roller

82.5 mm

Black spot, White spot

Pressure Roller

78.5 mm

Contamination on reverse side of paper

4-20

Samsung Electronics

Troubleshooting

No Image
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

No image?

A on
next page

YES

Self test
pattern prints?
YES
Check connection to
computer or replace
controller

Self testing
is possible ?

Retest after replacing the
connector or controller board

YES

Take out the cartridge
and prepare the tester
for electronic connection

Is the OPC
terminal of machine
is well-connected
to Frame?

Repair or replace the GND
terminal

YES

Does the
video data line to
LSU transit to High/Low
when printing?

Check the path between
Main board
and HVPS. Repair or replace
the defective component
or board

YES

The mirror in LSU might be
misplaced so the light path to the
OPC deviates ->Repair or replace
LSU or remove any defective
matters in the machine

Samsung Electronics

4-21

Troubleshooting

Transfer
voltage OK? (on the
transfer roller
shaft)

YES

Are the
connection terminal
and connection
correct?

Repair or replace terminal

YES
Replace HVPS or repair defective component

Developing
(-440V) and supplying
(-590V) voltage
are OK?

Is the connection
terminal OK?

Repair or replace terminal

YES
YES
Replace HVPS or repair
defective component

Does the
counter indicate over
the toner's guaranty
life
YES

Transfer roller might be out of its location
-> Locate the roller into its place
This could occurs when he power of LSU is low or
the density is low due to the obstacles on the window
-> Replace LSU or clean the window

Replace the toner cartridge

4-22

Samsung Electronics

Troubleshooting

All Black
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

All black in
printing area?

YES

Does the
video data line to LSU
transit to High/Low when
printing?

YES

Check the path among video
controller, engine board,
HVPS, LSU for the shortage
or open -> Repair or replace
the boards

Replace LSU

Is charge
voltage supplied
from HVPS?

Repair or replace HVPS

YES

Is the
Hsync/ signal received
in LSU?

Replace LSU

YES

Charge part's contact
is bad -> Repair or
replace Drum cartridge

Samsung Electronics

4-23

Troubleshooting

Vertical White Line (Band)
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

White line
missing definitely?

YES

Dirt of dust stuck onto the
window of internal lens of LSU
-> Clean it or replace LSU
Preventive obstacles through
the path between OPC of
developer and LSU prevent the
path -> Remove the obstacles

4-24

Check if the
printout is still has the
same problem even right after
passed through the
transfer roller

YES

The ribs in fuser or toner on the
roller may invoke the image
problem -> Replace the fuser
cover or the defective part
The image is originally black or the
black part is far close to the top
-> Use the pattern which has the
image below bigger than 10mm
from the top

Toner material might be stuck to
blade in the developer inside and it
prevents toner supply -> Replace
the developer
Check both if the toner cartridge's
counter is over its guaranty and
amount of the toner material
-> Replace the toner cartridge

Samsung Electronics

Troubleshooting

Dark Image
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Dark selected
via RCP?
YES

Change to
Normal and test

NO
Same at Normal?

END

YES

Works cor
with -300V of Bias
voltage?

Repair or replace the defective
component

YES

Works
correctly after
replaced LSU?

Toner over supply due to the
adjustment fault of metering
blade in developer
-> Replace developer

YES

The power of LSU is set
high or internal problem
-> Replace LSU or adjust
volume

Samsung Electronics

4-25

Troubleshooting

Background
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Recommended
paper used?

Print 20 to 30 pages using
the recommended paper

YES

- Adjust voltage or
replace HVPS
- Repair or replace
after
checking the
terminals' contacts

Transfer,
charge and developing
voltage are OK?

YES

Same problem
occurs?

END

Replace the
toner cartridge

YES

Operating/
storage atmosphere is
too high temperature
/humidity?
YES

Solve the problem under
the recommended condition
(10-32 degree Centigrade)

Dirt or
dust around the
charge roller?
YES

Clean the charge roller
or replace step-up device
/terminal after check

Check Terminals or contacts and 'Guide-Deve Spring'
are misplaced
-> Repair or replace transfer roller etc.
Check if the LED of PTL in front of the transfer roller
is on when it presses the top cover switch on purpose
-> If not, replace PTL

Work OK?
YES

Internal blade or
supplying part of the
developer is defective
-> Replace the toner
cartridge

4-26

Samsung Electronics

Troubleshooting

Ghost

Digital
Digital Printer
Printer
Digital
Digital Printer
Printer
Digital
Digital Printer
Printer

Is it regular
interval of 95mm?

YES

Replace PTL
assembly

Is it regular
interval of 45mm?

Is it regular
interval of 58mm?
(as transfer roller
interval)

YES

A specific part of the transfer
roller has ruined or its
resistance value is changed
-> Replace transfer roller

PTL lamp
works OK?
YES

Transfer roller cannot force
regularly due to the gears
eccentricity of transfer roller
-> Replace the defective
component
Check HVPS
contacts and
HVPS's selfoutput
-> If failed,
repair/replace
HVPS

Developing
/supplying voltage
normal? (-300V/
-500V)

Transfer
voltage is set to
standard?

YES
YES
Irregularity of NIP
between rollers in
developer
-> Replace developer

Bias voltage
is OK? (-300V)

- Repair or replace HVPS
- Check and Repair or
replace the terminal
contacts

Adjust the Bias
voltage or replace
HVPS

YES

Operating/storage
temperature is too low or
not recommended
paper used?

There may be a problem in toner
layer control in toner cartridge
-> Replace the developer

YES
Use the machine with
recommended paper and
at condition

Samsung Electronics

4-27

Troubleshooting

Black Spot
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Is it regular
interval of 38mm?

YES

The problem occured
since the obstacles
stuck to charge roller
-> Clean the Charge Roller
and then reprint.

4-28

When taking
out the cartridge,
toner leaks?
YES

Toner leaks and much
toner material dropped
onto the paper ->
Replace the developer

Bad image
removes by
scratching?
YES

The problem
randomly occurred
due to the toner
fallen -> Clean the
machine

Check toner is stuck onto
the P/R or H/R in fuser
-> Clean it or replace

Samsung Electronics

Troubleshooting

Horizontal Band
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Black band?

Black band
is far about 95mm from
white band?

YES

The OPC is damaged under the
direct sunlight for around 5
minutes -> If the same problem
persists in 10 hours, replace
the developer

Problem of internal
contacts in OPC
-> Replace developer

The black
band has regular
interval?

This occurs when no
Hsync/ at LSU
-> Replace LSU

YES

94mm interval?

YES

The OPC is damaged due to
the irregular transfer voltage
of HVPS
-> Repair/replace HVPS
-> If the same problem persists,
replace the developer

Samsung Electronics

Does it appear
at every 83mm at
specific place?
YES

Problems of terminal contact,
transfer voltage supplying,
and transfer roller's due to the
charge roller is ruined (38mm)
-> Repair/replace HVPS,
developer

Heat roller is ruined
-> Replace the roller

4-29

Troubleshooting

Irregular Density

OK after
taking out and
rocking the toner
cartridge?
YES

When gray
pattern printing,
irregular density
persists?

YES

transfer/
charge/developing
voltage drops while
printing?

YES

Defective agitator in
the toner supplying part
of developer
->Replace the developer
Check if the 'guide deve
spring' works OK and
repair/repalce

Check high voltage
output and repair/
replace terminals, HVPS

It is over the guaranty
life of toner cartridge
(Check the counter
and replace it)

PTL lamp
works OK?

Replace lamp

YES

Any obstacles
on the PTL lamp?
YES

Clean the window of PTL

4-30

Bad images
NO
around the no image
area?

Irregularity of toner
supply from developer
-> Replace developer

YES

Light distortion due to
the mirror ruined or
LSU's diffused reflection
-> Replace LSU

Samsung Electronics

Troubleshooting

White Spot
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Is it regular
interval of 95mm?
YES

Obstacles stuck on OPC's
surface
-> Clean the OPC and
machine or replace
developer

Transfer
voltage is normal?

Too high voltage supplied
due to the setting error of
transfer voltage
-> Adjust/replace HVPS

YES

D/R in developing unit has
the defect
-> Replace the developer

When putting in/out the
developer, scratch is made
-> Replace the developer

Samsung Electronics

4-31

Troubleshooting

Trembling at the End When OHP Printing

Recommended
OHP film used?

Use the recommended film

YES

Inserted over
than 10 films into
the MPF?
YES

When multi-page OHP printng,
less than 10 films are
guranteed. (Reduce the
number of films and re-insert
after paper check LED if off)

4-32

When OHP
printing, does the fan
temporarily stops
and revolves?

Use the recommended film

YES

Other parts are touching the
fan and prevents it from
revolution
-> Check and repair

Samsung Electronics

Troubleshooting

Poor Fusing Grade

After printing
NO
completed, any error
related fuser?

YES

Both ends
of thermostat
open?

The machine
placed under the
severe low tempera
ture for a long
time?

YES

While printing,
the voltage of pin 60
of U36 (CPU) on Main
PBA is 2.1V
- 2.6V?

Thermistor's
contact is OK?

YES

Re-assemble
thermistor

Place the machine
at normal
temperature and
re-test

YES

Replace thermostat
and re-test

Open the top
cover. When black
printing, is the fuser NIP
width is 3.03.5mm?

Check if the hardness of
P/R, and spring force is OK?
(hardness: 24 degree,
spring's force: 3 Kg)

YES

Replace the control
component on Main
PBA
Check any contact
problem in thermistor
and repair

Samsung Electronics

The paper used is too
thick or contains too
much cotton in it
-> Re-test with the
recommended paper

4-33

Troubleshooting

4-6-4 Malfunction
Error Status
No power

Check
1. Check power is supplying
2. Check fuse F1 open

Fuser Error

1. Thermostat open

Solution
1. If supplying power differs from machine’s power rating, replace the machine.
2. Replace it.

2. AC wire open
3. Thermistor wire open
4. Main PBA

1. Detach AC connector and measure the resistane
between pin 1 and 2. If it is megohm, thermostat is
open, Replace it.
2. Check bad connector contact or wire is cut.
3. Check thermistor wire and its connection.
4. Replace Main PBA

Cover open

1. When close Side cover, check the lever is
pressed
2. Micro switch’s contact
3. CPU and related circuit

1. Open Side cover and press the lever with pen. If
Controller detects cover close, there is some mechanical trouble in Side cover and lever’s assembly. If not
so there is electrical problem.

Jam 0

Check where Jam 0 happens
1. Paper is not picked up
2. Paper is located in feed sensor
3. Happened when inserting specific papers such
as envelope into the MPF (Multipurpose Paper
Feeder)?
4. Happened when inserting specific papers such
as envelope into the Manual Feeder?

5. Is the Stacker Extender is folded out?
6. Does not the Guide Adjust distort the papers
Jam 1

Paper is stopped in just after of fuser unit.

Jam 2

Check where Jam 2 happens
1. Paper is curled and cannot exit.
2. Paper is curled in the exit cover?.

4-34

1. Check whether solenoid is working or not by using
Engine test mode
2. Check feed sensor malfunction.
3. Re-try inserting a fewer papers.

•fan the papers and align
•take out the loaded papers and insert
them reverse direction
4. Take out the loaded papers and insert them reverse
direction
•inserted papers as recommended for
Manual Feeding?
•When loading, tap the papers until paper detect
sensor senses loading
5. When using long papers, use the Stacker Extender
6. Adjust Guide to fit the paper width
1. It is mostly resulted from double feeding. Check
paper is well stocked in feeder.
2. Check feed actuator position and actuator’s operating. There may be stiff movind or double reflection. If
not so, check the operation of feed sensor by Engine
test mode.
3. Check exit lever operation. Remore jam and check
actuator moving by hand. If actuator is too stiff, paper
is wrapped around the heat roller. Remove obstacles
or replace.
1. Remove paper using pinset or some tool and watch if
separate claws have any troble. Clean around fuser.
2. Check locking works wells. Watch whether the ribs of
exit cover hace any burr or resisitive edge. If they do,
remove obstacles or replace.

Samsung Electronics

Troubleshooting

Error Status

Check

Solution

Jam 2 at
face-down
tray

1. Then paper is not drawn in because of the
stack of papers in the Out tray.
2. Does it curl while coming out?

1. Load recommended quantity of papers

Clutch error

1. Check the spring of solenoid
2. Check the armature assembly/cushion

1. Check whether the spring is expanded or not.
2. Check armature is well installed. It may be unstable
assemble.
3. Remove the Main PBA.

3. Electrical check

High voltage error

1. Check the terminal output voltage

2. Check HVPS

Feeding
obstacles

Does the Plate-knockup prevent the paper
loading?

2. Open the Cover Front and check whether roller or
spring, which are related to paper out, is not out of position. If so, re-locate or replace.

1. Remove the Toner cartridge and open the cover and
press cover open switch lever and measure the voltage
with high voltage probe and sending printing data. If the
voltage is normal, change the toner cartridge.
2. Disassemble the left side cover, and check HV of the solder side of HVPS and change it.
MPF :
Turn the power off and on. Open and close the Side cover
to return to the original state.
Cassette :
Adjust Guide to fit the paper width.

Skew

Is the Guide adjust set to the paper
width?

Fit the paper width using the Guide adjust.

Stacking

1. Took out the Stacker extender to support long
papers?
2. Stacked too many papers more than Stacker
can hold?

1. Use extender as per the paper length.
2. The Face-up stacker normally can hold 100 pages when
using 75g/m2, however, stacking capacity can be lowered
depending on the type of papers.

Engine
Error

Check CBF Harness_CN7.
(Main PBA to LSU)

Refer to troubleshooring “ENGINE ERROR”.

Document
Jam

Document is not picked up(in ADF).

1. Check document is well stocked in ADF.
2. Check whether document was been fastened together
by staple or clip.
3. Load recommended quantity of papers.

Document is stopped after it has fed into the
ADF.

1. Check whether the Reg. sensor is working or not.
2. Check whether the Feed Roller is working or not.

Does it curl while coming out?

1. Check the Open Cover whether there are bosses.
2. Check the ADF ass'y is well assemble.

Samsung Electronics

4-35

Troubleshooting

No Power (LCD NO display LED Off)

Plug in the
power cord?

Check the voltage first and plug
the power cord

YES

The power
NO
voltage supplying is
the same as
rating?

Supply the power as the rating

YES

The fan
revolves when
powered on?

Connections
NO
on board are OK?

YES

LEDs blink
once when
powered on?

Fuse of SMPS
if open?

YES

Repair/replace the
board

4-36

Replace the fuse

YES

Shortage on
the OPE panel
board?

Re-connect firmly
and re-test

The connection
error between
controller board
and panel board
or malfunction
of boards.
-> Replace the
boards

Shortage
between 5V and
GND, or between
24V and
GND?
YES

Remove the shortage
or replace the board

Toner cartridge
is in the set?

Put in the
cartridge

YES

Detect failure due to the
board which detects side
cover open or switch error
-> Replace the board or switch

Samsung Electronics

Troubleshooting

Fuser Error
Measure the resistance
at the both ends of AC
Line with covers open

NO
Less than 10W?

Thermostat is open due to the heat etc.
-> Replace the thermostat

YES

Remove the covers

AC is being supplied?

Re-assemble the top
cover and close it

The voltage of pin #6 of U5
on the Main PBA is about
3.2V?
If not check the
CN4 on the power board.

YES

The voltage
of pin #60 of U36
(CPU) on the Main PBA
is about 2.65V when
printing?

Thermistor, connecting point or engine
board defect -> Repair/replace the
component/board

YES

END

Samsung Electronics

4-37

Troubleshooting

Paper Jam (Mis-Feeding)

Sounds the
solenoid on when starts
print?

The solenoid defected
-> Replace it

YES

Does the
paper move?

The Main PBA board defected
-> Replace boards

The pick-up unit is
assembled wrong
-> Re-assemble or replace
the unit

YES

Does the
paper move more than NO
100mm?

Too many
papers in the
feeder?

YES

Feeder
sensor is assembled
reverse?

YES

The sensor and
Main PBA defected
-> Repair/replace

Reduce the amount
and re-test

YES

Switch them

Paper guides
fit the paper width?

Take out the paper
and re-insert

YES

Paper end curled?

YES
Use the recommended
and quality paper

4-38

Does the
extender pulled out?

Pull out the
extender

YES

Use the MPF for the thick
paper such as envelope
and cardstock

Samsung Electronics

Troubleshooting

Paper Jam(Jam 1)

Paper
NO
stopped before
the OPC?

Paper
NO
stopped before
the fuser?

YES

The
actuator of
NO
paper exit sensor
works OK?

Check the actuator exists and its
operation and around the Main PBA
-> Replace

YES

Check the LSU and
if it has the defect
replace it

Is the paper
rolled around the
presseure
roller?

Feeds
NO
multiple pages?

YES

Remove the fuser, remove
the paper and replace the
pressure roller, if necessary

Severe skew
when feeding?

YES

Adjust the paper guides to fit the
paper width
The force of springs pressing the
developer is weak
-> Check guide-DEVE

Check the roller
and ribs of fuser
are in place, and
remove burrs, if
any
-> Remove the
factors of jam

Remove any factors

The paper
came out through
between fuser and
developer?

Check the input path
to the fuser (such as
mis-assembly)

YES

Too thin
or sensitive paper to
static electricity?

Check guide transfer
is grounded Check
the shutter prevents
feeding

YES

Use the recommended
paper

Samsung Electronics

4-39

Troubleshooting

Engine Error

Check
CBF Harness-CN7
(Main B'D to
LSU)

Try again to connector or
Replace connector

YES

Check
Main B'D CN7-9,
P_MOTOR Signal
(
)

Replace Main PBA

YES

Check
Main B'D CN7-8,
LREADY Signal
(
)

Replace LSU

YES

Check
Main B'D CN7-4,
LDON Signal
(
)

Replace Main PBA

YES

Check
Main B'D CN7-1,
HSYNC Signal
(
)

Replace LSU

YES

END

4-40

Samsung Electronics

Troubleshooting

4-6-5 Toner Cartridge and Drum Cartridge Service

It is not guaranteed for the default caused by using other toner and Drum Cartridge cartridge other than the
cartridge supplied by the Samsung Electronic or caused by non-licensed refill production.

Precautions on Safe-keeping of the Drum Cartridge
Excessive exposure to direct light more than a few minutes may cause damage to the cartridge.

Service for the Life of Toner Cartridge
If the printed image is light due to the life of the toner, you can temporarily improve the print quality by redistributing the toner(Shake the toner cartridge), however, you should replace the toner cartridge to solve the
problem thoroughly.

Service for Judgement of Inferior Expendables and the Standard of Guarantee
Please refer to User's Manual or Instructions on Fax/Printer Expendables SVC for the judgement of inferior
expendables and the standard of guarantee besides this service manual.

Samsung Electronics

4-41

Troubleshooting

4-6-5-1 Signs and Measures at Poor toner cartridge
Fault
Light image and
partially blank
image
(The life is ended.)

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Toner Contamination

Signs
• The printed image is
light or unclean and
untidy.
• Some part of the
image is not
printed.
• Periodically a noise
as "tick tick" occurs.

• Toner is fallen on the
papers periodically.
• Contaminated with
toner on prints
partly or over the
whole surface.

4-42

Cause & Check

Solution

1. If the image is light or unclean
and untidy printed image - Shake
the developer and then recheck.
(1)NG: Check the weight of the
developer
(2)OK: Lack of toner, so the life is
nearly closed.

1. All of 1, 2, 3 aboveIf it become better by shaking, replace
with a new developer after 50-100
sheets in the closing state of the life
span.

2. Some part of image is not printed
- Shake the developer and then
recheck.
(1)NG: Check the weight of the
developer and clean the
LSU window with a cotton
swab, then recheck.
(2)OK: Lack of toner, so the life is
nearly closed.

2. In case of 2If it becomes better after cleaning the
LSU window, then the developer is normal.
(Because of foreign substance on the
LSU window, the image has not been
printed partly.)

3. Periodically a noise as "tick tick"
occurs - Measure the cycle and
the weight of the developer.

3. In case of 3If the cycle of noise is about 2 seconds,
the toner inside the developer has been
nearly exhausted.( Purchase and replace
with a new developer after using about
200 sheets at the point of occurrence)

4. White vertical stripes on the
whole screen or partly :
Check the weight of the developer.

4. In case of 3This is a phenomenon caused by lack of
toner, so replace with a new developer.

1. Toner is fallen on the paper periodically.
(1)Check the cycle of the falling of
the toner.
(2)Check the appearance of both
ends of the developer OPC
drum.

1. If both ends of the OPC drum are contaminated with toner:
Check the life of the developer.

2.The center of the printed matter is
contaminated with toner.
(1)Check whether foreign substances or toner are stuck to the
terminal (contact point) of the
developer.
(2)Check whether the state of the
terminal assembly is normal.

2. Check whether it could be recycled.

Samsung Electronics

Troubleshooting

Fault
White Black spot

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Signs
• Light or dark black
dots on the image
occur periodically.
• White spots occur in
the image periodically.

Cause & Check
1. If light or dark periodical black
dots occur, this is because the
developer rollers are contaminated with foreign substance or
paper particles.
(1)37.7mm interval :
Charged roller
(2)94.3mm interval :
OPC cycle

1. In case of 1 above Run OPC Cleaning Mode Print 4-5 times
repeatedly to remove. Especially check
foreign substance on the OPC surface,
then remove them with a clean gauze
moistened with IPA(Isopropyl Alcohol) not
to damage OPC if necessary.

2. If white spots occur in a black
image at intervals of 94.3 mm, or
black spots occur elsewhere, the
OPC drum is damaged or foreign
substance is stuck to the surface.

2. In case of 2
If they are not disappeared by running
OPC Cleaning Mode Print 4-5 times.
: at intervals of 94.3mm Replace the OPC Drum.
: at intervals of 37.7mm Remove foreign substance, Clean the
Charged Roller
: Broken image Replace the developer according to
carelessness.

3. If a black and white or graphic
image is partially broken at irregular intervals, the transfer roller's
life has been expired or the transfer voltage is abnormal.

Recycled product

• Poor appearance of
the developer.
• Unclean and rough
printouts.
• Bad background in
the image.

Samsung Electronics

Solution

Caution : Never use usual alcohol.

3. In case of 3 - Exchange the transfer
roller because the life of the transfer roller
in use has been expired. (Check the
transfer voltage and readjust if different.)

1. Poor appearance of the developer.
(1)Check the damage to label and
whether different materials are
used.
(2)Check the appearance of parts
of the developer, such as frame,
hopper.

1. In case of 1 (1)If there is an evidence of disassembling
the developer.
(2)If materials other than normal parts of
the developer are added or substituted.

2. Unclean and rough printouts.
(1)Check whether foreign substance or toner are stuck to the
terminal (contact point) of the
developer.
(2)Check whether the state of the
terminal assembly is normal.

2. In case of 2 - If there are any abnormals
in connection with the situation of 1.
(1)It occurs when the developer is recycled over 2 times.
(2)If toner nearly being expired are collected to use, it is judged as the recycled
developer.

4-43

Troubleshooting

Fault
Ghost & Image
Contamination

Signs
• The printed image is
too light or dark, or
partially contaminated black.
• Totally contaminatedblack.
(Black image
printed out)

4-44

Cause & Check

Solution

1. The printed image is too light or
dark, or partially contaminated
black.
(1)Check whether foreign sub
stance or toner are stuck to the
terminal(point of contact) of
the developer.
(2)Check whether the terminal
assembly is normal.

1. All of 1, 2, 3 above
(1)Remove toner and foreign substances
adhered to the contact point of the
developer.
(2)The contact point of the unit facing that
of the developer also must be cleaned.
(3)If the terminal assembly is unsafe:
• Fully stick the terminal to or reassemble
it after disassembling.
• Disassemble the side plate and push
the terminal to be stuck, then reassemble it.

2. Totally contaminated black.
(Black image printed out)
(1)Check whether foreign sub
stances are stuck to the terminal(point of contact) of the
developer and the state of
assembly.
(Especially check the charged
roller terminal.)

2. In case of 2
It is a phenomenon when the OPC drum
of the developer is not electrically
charged. Clean the terminals of the
charged roller, then recheck it.

Samsung Electronics

Troubleshooting

4-6-6 The cause and solutions of bad environment of the software
4-6-6-1 The printer is not working (1)

• Description : While Power turned on, the printer is not working in the printing mode.

Check and Cause

Solution

1. Check if the PC and the printer is properly connected and
the toner cartridge installed.

1. Replace the printer cable. If the problems not solved even
after the cable replaced, check the amount of the remaining
tone.

2. Printing is nor working in the Windows.

2. Check if the connection between PC and printer port is
proper. If you use windows, check if the printer driver in the
controller is set up. If the printer driver is properly set up,
check in which program the printing is not working. The best
way to find out is to open the memo pad to check the function of printing. If it is not working in a certain program, adjust
the setup the program requires. Sometimes, the printout is
normal within the Windows basic programs, but it's not working in a particular program. In such case, install the new
driver again. If not working in the Windows basic program,
Check the setup of the port of CMOS is on ECP. And check
the address of IRQ 7 and 378

3. Check if the printer cable is directly connected to peripheral
devices

3. If the scanner needs to be connected to the printer, first the
remove the scanner from the PC to see if the printer is properly working alone.

4-6-6-2 The printer is not working (2)
• Description : After receiving the printing order, no response at all or the low speed of printing occurs
due to wrong setup of the environment rather than malfunction of the printer itself.

Check and Cause

Solution

1. Secure more space of the hard disk.

1. Not working with the message 'insufficient printer memory'
means hard disk space problem rather than the RAM problem. In this case, provide more space for the hard disk.
Secure more space using the disk utilities program.

2. Printing error occurs even if there is enough space in the
hard disk.

2. The connection of the cable and printer port is not proper.
Check if the connection is properly done and if the parallel
port in CMOS is rightly set up.

3. Check the parallel-port-related items in the CMOS Setup.

3. As a printer port, Select ECP or SPP among SPP(Normal),
ECP, and EPP modes(increase printing speed) SPP normal
mode support 8-bit data transfer, while ECP Mode transfer
the 12-bit data.

4. Reboot the system to print.

4. If the regular font is not printing, the cable or the printer
driver may be defective.
Turn the PC and printer off, and reboot the system to print
again. If not solved, double-click the printer in my computer
If the regular fonts are not printed this time again. the cable
must be defective so replace the cable with new one.

Samsung Electronics

4-45

Troubleshooting

4-6-6-3 Abnormal Printing
• Description : The printing is not working properly even when the cable has no problem.
(even after the cable is replaced) If the printer won't work at all or the strange fonts are
repeated, the printer driver may be defective or wrong setup in the CMOS Setup.

Check and Cause

Solution

1. Set up the parallel port in the CMOS SETUP.

1. Select SPP(Normal) or ECP LPT Port the among ECP,
EPP or SPP in the CMOS Setup.

2. Printer Driver Error.

2. Check the printer in My Computer.(to see if the printer driver
is compatible to the present driver or delete the old driver, if
defective and reinstall the new driver)

3. Error message from insufficient memory.
(The printing job sometimes stops or due to insufficient virtual memory, but it actually comes from the insufficient space
of the hard disk.)

3. Delete the unnecessary files to secure enough space of the
hard disk and start printing job again.

4-6-6-4 SPOOL Error
• Description : To spool which stands for "simultaneous peripheral operations online" a computer document or task list (or "job") is to read it in and store it, usually on a hard disk or larger
storage medium so that it can be printed or otherwise processed at a more convenient
time (for example, when a printer is finished printing its current document).

Check and Cause

Solution

1. Insufficient space of the hard disk in the directory assigned
for the basic spool.

1. Delete the unnecessary files to provide more space to start
printing job.

2. If the previous printing error not solved.

2. If there are some files with the extension name of ****.jnl,
Delete them and Reboot the Windows to restart printing job.

3. When expected to collide with other program.

3. Shut down all other programs except the current one, if possible.

4. When an application program or the printer driver is damaged.

4. Delete the printer driver completely and reinstall it.

5. When some files related to OS are damaged or virus
infected.

5 After rebooting the computer, check for viruses, restore the
damaged files and reinstall the program to do the printing
job.

6. Memory is less than suggested one.

6. Add up enough memory to the PC.

How to delete the data in the spool manager.
In the spool manager, the installed drivers and the list of the documents waiting to be printed are shown.
Select the document to be deleted and check the delete menu.
If you intend to delete the current document being printed, the data being transferred to the printer will be put
out and then the document is removed. Before choosing the document, the menu is still inactive.
Or put the document out of the list and repeat the routine as in the above or finish the spool manager.

4-46

Samsung Electronics

Exploded Views and Parts List

Appendix information
The following list shows different materials by model.
The material codes mentioned in themanual are subject to change without prior notice.
For the latest exact information, see ITSELF SYSTEM. (http://itself.sec.samsung.co.kr)

•SCX-5315F/XAA

•SCX-5115/XAA

DESCRIPTION

SEC.CODE

ELA HOU-SCANNER
ELA HOU-PLATEN(SEC)
ELA HOU-OPE(SEC)
PMO-COVER OPE(C)
WINDOW-LCD(4IN1)
PMO-COVER DUMMY OPE(M)
PCT-ONETOUCH PAPER
PBA SUB-LIU

JC96-02717A
JC96-02748A
JC96-02749A
JC72-00796A
JC64-00071A
JC72-00858A
JC72-00872A
JC92-01355A

•SCX-5315F/XEG

DESCRIPTION

SEC.CODE

ELA HOU-SCANNER

JC96-02718A

ELA HOU-PLATEN ASS’Y

JC96-02752A

ELA HOU-OPE COVER(SEC)

JC96-02753A

PMO-OPE COVER

JC72-00944A

PCT-LCD WINDOW(3 IN 1)

JC64-00071B

•SCX-5115/XEU

DESCRIPTION

SEC.CODE

ELA HOU-SCANNER
ELA HOU-PLATEN(GER)
ELA HOU-OPE(GER)
PMO-COVER OPE
WINDOW-LCD(GER 4IN1)
PMO-COVER DUMMY OPE(M)
PCT-ONETOUCH PAPER
PBA SUB-LIU

JC96-02717B
JC96-02748D
JC96-02749D
JC72-00796C
JC64-00071C
JC72-00858C
JC72-00872C
JC92-01355E

•SCX-5315F/XEU

DESCRIPTION

SEC.CODE

ELA HOU-SCANNER

JC96-02718A

ELA HOU-PLATEN ASS’Y

JC96-02752A

ELA HOU-OPE COVER(SEC)

JC96-02753A

PMO-OPE COVER

JC72-00944A

PCT-LCD WINDOW(3 IN 1)

JC64-00071B

•SCX-5115/XEG

DESCRIPTION

SEC.CODE

ELA HOU-SCANNER
ELA HOU-PLATEN(SEC)
ELA HOU-OPE(SEC)
PMO-COVER OPE(C)
WINDOW-LCD(4IN1)
PMO-COVER DUMMY OPE(M)
PCT-ONETOUCH PAPER
PBA SUB-LIU

JC96-02717A
JC96-02748A
JC96-02749A
JC72-00796A
JC64-00071A
JC72-00858A
JC72-00872A
JC92-01355G

DESCRIPTION

SEC.CODE

ELA HOU-SCANNER

JC96-02718C

ELA HOU-PLATEN ASS’Y

JC96-02752B

ELA HOU-OPE COVER(SEC)

JC96-02753B

PMO-OPE COVER

JC72-00944G

PCT-LCD WINDOW(3 IN 1)

JC64-00071G

•SCX-5315F/XIL
DESCRIPTION

SEC.CODE

ELA HOU-SCANNER
ELA HOU-PLATEN
ELA HOU-OPE
PMO-COVER OPE
WINDOW-LCD(4IN1)
PMO-COVER DUMMY OPE(M)
PCT-ONETOUCH PAPER
PBA SUB-LIU

JC96-02717C
JC96-02748B
JC96-02749B
JC72-00796G
JC64-00071E
JC72-00858E
JC72-00872E
JC92-01355A

Samsung Electronics

Exploded Views and Parts List

5. Exploded View & Parts List
5-1. Main Exploded View & Parts List.......................................
5-2. Platen Ass’y Exploded View & Parts List....................
5-3. ADF ASS’Y Exploded View & Parts List......................
5-4. Side Cover Ass’y Exploded View & Parts List...........
5-5. Cassette Ass’y Exploded View & Parts List...............
5-6. Exit Ass’y Exploded View & Parts List................................
5-7. Feeder Ass’y Exploded View & Parts List..................
5-8. MP Ass’y Exploded View & Parts List.........................
5-9. Base Frame Exploded View & Parts List....................
5-10.Pick-up Ass’y Exploded View & Parts List................
5-11. Drive Ass’y Exploded View & Parts List...........................
5-12. Main Frame Ass’y Exploded View & Parts List.................
5-13. FuserAss’y Exploded View & Parts List...........................
5-14. Screw..........................

Samsung Electronics

page(5-2)
page(5-5)
page(5-9)
page(5-12)
page(5-14)
page(5-16)
page(5-18)
page(5-20)
page(5-22)
page(5-24)
page(5-26)
page(5-28)
page(5-30)
page(5-32)

5-1

5-2

2-2

2-1

1-2

(SCX-5115)

1-2

(SCX-5315F)

1-1

26-1

26-2

21-1

26-3

40-2
40-140-3

29-3

29-1

21-2

26-3

29-2

41-4

41-3 41-2
41-1

36(* SCX-5315F Only)

27(* SCX-5315F Only)

Exploded Views and Parts List

5-1. Main Exploded View & Parts List

Samsung Electronics

Exploded Views and Parts List

Main Parts List
NO

SEC CODE

Q’TY

ELA HOU-SCANNER

Refer to Info.

SCX-5115

ELA HOU-SCANNER

Refer to Info.

SCX-5315F

1-1

ELA HOU-ADF

JC96-02750A

1-2

ELA HOU-PLATEN

Refer to Info.

SCX-5115

ELA HOU-PLATEN

Refer to Info.

SCX-5315F

MEA UNIT-COVER PA EXIT ASS’Y

JC97-01556B

2-1

PMO-TRAY EXTENTION MP NE

JC72-00354B

2-2

PMO-COVER PAPER EXIT

JC72-00786B

MEA UNIT-CASSETTE(KOR)

JC97-01736A

MEA UNIT-COVER FRONT ASS’Y

JC97-01572B

UNIT-LSU,600DPI,15

JC59-00014B

ELA ETC-SHIELD SMPS LOWER

JC96-02422A

CHINA ONLY

ELA ETC-SHIELD SMPS LOWER

JC96-02310B

110V

ELA ETC-SHIELD SMPS LOWER

JC96-02317A

220V

DESCRIPTION

REMARK

ELA-OPC UNIT 15K D

ELA-TONER UNIT 6K D

ELA HOU-PICK UP

JC96-02715B

ELA HOU-SIDE COVER

JC96-02183B

ELA HOU-MP ASS’Y

JC96-02182A

ELA HOU-BASE FRAME

JC96-02818A

MEC-FEED ASS’Y

JC75-00143B

ELA HOU-FUSER

JC96-02814A

110V

ELA HOU-FUSER

JC96-02815A

220V

ELA HOU-FRAME MAIN ASS’Y

JC96-02184A

MEA UNIT-EXIT ASS’Y

JC97-01643A

ELA HOU-DRIVE(15PPM)

JC96-02741A

PMO-COVER REAR

JC72-00788A

PBA MAIN-MAIN

JC92-01480A

SCX-5115

PBA MAIN-MAIN

JC92-01479A

SCX-5315F

COVER-M-PANNEL MFP

JC63-00215B

SCX-5115

COVER-M-PANNEL MFP

JC63-00215A

SCX-5315F

ELA HOU-DUCT FAN

JC96-02311A

21-1

FAN-DC

JC31-00012A

21-2

PMO-DUCT FAN

JC72-00807A

CBF HARNESS-SWITCH GRAY

JC39-00055B

SOLENOID-PICK UP

JC33-00007A

O : Service available X : Service not available

Samsung Electronics

5-3

Exploded Views and Parts List

Main Parts List (Cont.)
NO

DESCRIPTION

SEC CODE

Q’TY

PMO-COVER EXIT REAR

JC72-00790A

MEA UNIT-GUIDE CST PA ASS’Y

JC97-01575A

26-1

PPR-SHEET/GUIDE PAPER

26-2

PMO-GUIDE CASSETTE RAIL

26-3

SHEET-FEED

PBA SUB-LIU

Refer to Info.

PMO-DUMMY BASE FRAME

JC72-00789A

ELA HOU-SHIELD MAIN LOWER

JC96-02835A

29-1

SHIELD-P-MAIN LOWER

29-2

CBF HARNESS-INLET(KOREA)

29-3

CBF HARNESS-LIU GND

JB39-00103A

PMO-COVER FEED AY

JC72-00801A

PMO-COVER BRKT MOTER

JC72-00834A

PMO-GUIDE PAPER OUT

JC72-00835A

SHEET-CONNECTOR

JC63-00072A

CBF HARNESS-LSU

JC39-00163A

CBF HARNESS-POWER+HVPS

JC39-00162A

CBF HARNESS-LIU

JB39-00104A

PMO-BEARING SHAFT

JC72-41191A

GEAR-PICK_UP

JC66-00335A

IPR-SHIELD SMPS UPPER

JC70-00248A

MEA UNIT-HOLD GEAR ASS’Y

JC97-01573A

JC72-40228A

JC97-01574A

40-1

SPRING ETC-TR_R

40-2

PMO-BUSH

40-3

PMO-HOLDER GEAR TR

MEA UNIT-HOLD GND ASS’Y

41-1

SPRING ETC-PLATE TR

41-2

SPRING ETC-TR_L

41-3

PMO-BUSH

JC72-40228A

41-4

PMO-HOLDER GND TR

SUPPORTER

6103-001048

PMO-WINDOW SENSOR DEVE

JC72-00792A

PMO-CAM JAM REMOVE

JC72-00799A

PMO-LOCKER DEVE

JC72-00805A

PMO-LEVER JAM REMOVE

JC72-00804A

IPR-SHIELD SMPS LOWER

JC70-00247A

GEAR-TRANSFER

JC66-40947A

MEC-TRANSFER ROLLER

JC75-00148A

REMARK

Only SCX-5315F

O : Service available X : Service not available

5-4

Samsung Electronics

Exploded Views and Parts List

5-2. Platen Ass’y Exploded View & Parts List
1-1-1
1-1

1-1-2
S1
1-1-3
S1

SCX-5115

1-1-4
SCX-5315F

1-2
0

1-3

SCX-5315F

1-4
S2

SCX-5115

1-4
S2

1-5

2-17

2-1
2-2
2-16
2-14
2-15
2-13

2-6
2-19
2-18
2-20

2-5
2-4

2-7-4
2-7-6

2-7-4
2-7-5

2-7-3
2-7-7

2-23
2-21

2
2-7-1

2-8

2-7
2-22 2-7-2

2-3

2-9
2-11
2-12
2-10

Samsung Electronics

5-5

Exploded Views and Parts List

3-5
3-21
3-15

3-4

3-3

3-2
3-2
3-6
3-1
3-1
3-7

3-8
3-10

3-4
3-12

3-5
3-13
3-15
3-16

3-9

3-6
3-7

3-12

3-14

3-8
3-11

3-11

3-17 3-18

3-10 3-9

3-19

3-20

3-14

S6
S9

S9
S6

SCX-5315F

5-6

3-13

SCX-5115

Samsung Electronics

Exploded Views and Parts List

Platen Ass’y Parts List
NO
0
1
1-1
1-1-1
1-1-2
1-1-3
1-1-4
1-2
1-3
1-4
1-5
2
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-7-1
2-7-2
2-7-3
2-7-4
2-7-5
2-7-6
2-7-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-18
2-19
2-20
2-21
2-22
2-23
3

DESCRIPTION

SEC CODE

ELA HOU-PLATEN
ELA HOU-PLATEN
ELA HOU-SCAN UPPER
AS-DUMMY UPPER AS (FRV)
MCT-GLASS ADF
LABEL(R)-REGISTRATION EDGE(L)
PMO-DUMMY UPPER
SHEET-DUMMY UPPER
PPR-REGISTRATION EDGE(F)
PMO-COVER SCAN UPPER
IPR-HOLDER GLASS
MCT-GLASS SCANNER(LEGAL)
ELA HOU-SCAN LOWER
BELT-TIMING GEAR
SPRING ETC-BELT
CBF HARNESS-OPE
CBF HARNESS-MAIN-ENGINE
CBF HARNESS-DRIVER GND
PBA SUB-D_SUB
ELA HOU-SCAN MOTOR
MOTOR STEP-SCAN
BRACKET-MOTOR PLATEN
GEAR-TIMING
RING-E
GEAR-REDUCTION73/37
PMO-HOLDER BELT
GEAR IDLE
COVER-M-CCD CABLE
COVER-SCAN LOWER(UMAX)
IPR-CHANNEL BASE FRAME
HOLDER-M-CCD(UMAX)
PMO-COVER DUMMY LOWER(C)
ICT-INSERT SHAFT
PMO-PULLEY
PMO-HOLDER BELT
RING-E
SHAFT-CCD(UMAX)
PMO-LEVER SENSOR
IPR-BRK SCAN BD
SPRING ETC-EXIT
ELA HOU-CCD MODULE
CBF SIGNAL-CCD FFC
CBF HARNESS-SCAN MOTOR
ELA HOU-OPE

Refer to Info.
Refer to Info.
JC81-01688A
JC81-00426A
*
*
*
*
JC72-00809A
JC72-00758A
*
JC74-00018A
JC96-02706B
6602-001090
JB61-00059A
JC39-00167A
JC39-00030A
*
JC92-01381A
JC96-02751A
JB31-00011A
*
JC66-00531A
6044-000125
JC66-00530A
JB72-00764A
JB66-00083A
JC63-00158A
JC63-00157A
JC70-00239A
JC61-00703A
JC72-00794A
*
JB72-00763A
JB72-00764A
6044-000125
JC66-00532A
JC72-00755A
JC70-00228A
*
JC96-02759A
JC39-00236A
JB39-00077A

Q’TY

REMARK

1
O
1
O
1
O
1
O
1
X
1
X
1
X
1
X
1
O
1
O
3
X
1
O
1
O
1
O
1
O
1
O
1
O
1
X
1
O
1
O
1
O
1
X
1
O
3
O
1
O
1
O
1
O
1
O
1
O
2
O
1
O
1
O
1
X
1
O
1
O
1
O
1
O
1
O
1
O
1
X
1
O
1
O
1
O
See Next Page

SCX-5315F
SCX-5115

O : Service available X : Service not available

Samsung Electronics

5-7

Exploded Views and Parts List

SCX-5315F (OPE)
NO

DESCRIPTION

SEC CODE

Q’TY

ELA HOU-OPE

Refer to Info.

3-1

PMO-OPE COVER

Refer to Info.

3-2

WINDOW-LCD (4IN1)

Refer to Info.

3-3

PMO-COVER DUMMY OPE(M)

Refer to Info.

3-4

PCT-ONETOUCH PAPER

Refer to Info.

3-5

PCT-ONETOUCH CARD

JC72-00871A

3-6

PMO-KEY ONETOUCH

JC72-00860A

3-7

PMO-KEY SHIFT

JC72-00861A

3-8

PMO-KEY FAX

JC72-00862A

3-9

RMO-RUBBER ONETOUCH

JC73-00104A

3-10

PMO-KEY SCROLL

JC72-00866A

3-11

RMO-RUBBER SCROLL

JC73-00106A

3-12

PMO-KEY COPY

JC72-00863A

3-13

PMO-KEY TEL

JC72-00865A

3-14

PMO-KEY OHD

JC72-00864A

3-15

PMO-KEY SAVE(T)

JC72-00923A

3-16

PMO-KEY SAVE

JC72-00867A

3-17

PMO-KEY START

JC72-00868A

3-18

PMO-KEY STOP

JC72-00869A

3-19

RMO-RUBBER TEL

JC73-00105A

3-20

PBA SUB-OPE(KOR)

JC81-00779A

3-21

NPR-BADGE(45)

SEC CODE

Q’TY

REMARK

SCX-5315F

SCX-5115 (OPE)
NO

DESCRIPTION

ELA HOU-OPE(SEC)

Refer to Info.

3-1

PMO-OPE COVER

Refer to Info.

3-2

WINDOW-LCD(3IN1)

Refer to Info.

3-3

PMO-COVER DUMMY OPE(C)

JC72-00859A

3-4

PMO-KEY SCROLL

JC72-00866A

3-5

PMO-KEY COPY

JC72-00863A

3-6

PMO-KEY TEL

JC72-00865A

3-7

PMO-KEY SAVE(T)

JC72-00923A

3-8

PMO-KEY SAVE

JC72-00867A

3-9

PMO-KEY STOP

JC72-00869A

3-10

PMO-KEY START

JC72-00868A

3-11

PMO-KEY OHD

JC72-00864B

3-12

RMO-RUBBER SCROLL

JC73-00106A

3-13

RMO-RUBBER TEL

JC73-00105A

3-14

PBA SUB-OPE(KOR)

JC81-00779A

3-15

NPR-BADGE(45)

REMARK

SCX-5115

O : Service available X : Service not available

5-8

Samsung Electronics

1-12

Samsung Electronics

1-4

1-15

1-13

1-8
1-9

1-1

1-2

1-4

1-5

1-3

1-11

1-10

1-6

3-4

3-2
3-5

2-4

3-20

3-6

3-3

3-23

2-5

3-2

2-3

2-2

3-13

3-18

3-22

3-17

3-14

3-9
3-13

3-19

3-7

3-2

3-1

3-8

3-4

2-6

2-1

3-10

3-21

3-15

3-12
3-11

3-16

4-9

4-4
4-3

4-1

4-2

4-8

4-5
4-11

3-24

4-7

4-6
S1

Exploded Views and Parts List

5-3. ADF ASS’Y Exploded View & Parts List

5-9

Exploded Views and Parts List

ADF Ass’y Parts List
NO

0
1

DESCRIPTION

SEC CODE

Q’TY

ELA HOU-ADF

JC96-02750A

MEA UNIT-PLATEN COVER

JC97-01722A

1-1

PMO-TX STACKER

JC72-00745A

1-2

IPR-WASHER SPRING CU

JF70-10616A

1-3

PMO-DOC GUIDE L

JC72-00839B

1-4

PMO-DOC GUIDE R

JC72-00838B

1-5

PMO-GEAR PINION

JF72-41354A

1-6

MEA UNIT-HINGE

JC97-01731A

1-7

RPR-ROLLER EXIT IDLE

JC73-00091A

1-8

IPR-SHAFT EXIT

JC70-00242A

1-9

NPR-SPRING PINCH DRIVE

JB71-00038A

1-10

PMO-COVER PLATEN

JC72-00738A

1-11

PPR-SPONG SHEET

JC72-00751A

1-12

SHEET ABS-SHEET PLATEN(PET)

JC72-00750B

1-13

IPR-SPRING PINCH

JC70-00260A

1-14

ICT-SHAFT PINCH

1-15

PMO-ROLL PINCH

JG72-40663A

MEA UNIT-ADF UPPER ASS’Y

JC97-01581A

2-1

PMO-COVER ADF UPPER

JC72-00736A

2-2

RMO-ADF RUBBER

JB73-00052A

2-3

PMO-HOLDER ADF

JB72-00825A

2-4

RPR-SPONGE ADF

2-5

SPRING ETC-COIL ADF

JC61-00040A

2-6

SHEET-ADF

JC63-00079A

ELA HOU-ADF LOWER ASS’Y

JC81-00434A

3-1

SPRING ETC-TORSION DOC (CC2-F)

JB61-00076A

3-2

RING-C

3-3

GEAR-ADF 38

JB66-00103A

3-4

PMO-BUSH

JB72-00819A

3-5

MEC-ROLLER DRIVER

JC75-00149A

3-6

PMO-COVER ADF LOWER

JC72-00735A

3-7

PMO-ACTUATOR SENSOR DOC

JB72-00837A

3-8

PMO-ACTUATOR SENSOR REGI

JC72-00747A

3-9

MEC-ROLLER EXIT

JC75-00150A

3-10

PMO-BUSHING HOLDER

JG72-40732A

3-11

SPRING ETC-CLUTCH

JC61-00062A

3-12

GEAR-EXIT 23

JC66-00323A

3-13

SPRING ETC-WHITE BAR

JC61-00548A

3-14

IPR-BRKT WHITE BAR

JC70-00225A

3-15

PPR-WHITE BAR SHEET

JC72-00752A

REMARK

O : Service available X : Service not available

5-10

Samsung Electronics

Exploded Views and Parts List

ADF Ass’y Parts List(Cont.)
NO

DESCRIPTION

SEC CODE

Q’TY

3-16

TAPE ETC-ANTI BRUSH

3-17

PBA SUB-ADF

JC81-00437A

3-18

PBA SUB-ADF POS SEN

JC92-01365A

3-19

PBA SUB-ADF DET SEN

JC92-01366A

3-20

CBF HARNESS-ADF ROLLER GND

JC39-00187A

3-21

CBF HARNESS-DRIVER GND

JB39-00065A

3-22

PMO-ACTUATOR SENSOR SCAN

3-23

NPR-SPRING GND

JC71-00031A

3-24

CBF D SUB CABLE-ADF_MAIN CABLE

JC39-00190A

ELA HOU-ADF MOTOR ASS’Y

JC81-00435A

4-1

GEAR-CLUTCH 29

4-2

IPR-BRKT ADF MOTOR

4-3

PMO-WHITE CLUTCH SUB 29

4-4

GEAR-CLUTCH 39

4-5

GEAR-IDLE20/33

4-6

RING-C

4-7

GEAR-IDLE17/35

4-8

GEAR-IDLE25

4-9

MOTOR STEP-ADF

4-10
4-11

JC31-00017A

GEAR-JAM REMOVE

GEAR-REDUCTION 45/19

MEA UNIT-PICKUP ASS’Y

JC97-01582A

PMO-GUIDE PAPER

JB72-00843A

PMO-COVER OPEN

JC72-00737A

PMO-COVER SIDE L

JC72-00739A

PMO-COVER SIDE R

JC72-00740A

REMARK

O : Service available X : Service not available

Samsung Electronics

5-11

Exploded Views and Parts List

5-4. Side Cover Ass’y Exploded View & Parts List

18
1
S6
5
15
S5

11-4
14

1-4 1-4

1-5

1-8
1-8

1-10
1-11

1-10

1-6

1-9
1-3
1-9

1-2

1-3
1-7
S6
8

1-1

6
19

20
10-2
10-7
10-3

7
12

10-4
10-6

10-5

10-1

5-12

Samsung Electronics

Exploded Views and Parts List

Side Cover Ass’y Parts List
NO

DESCRIPTION

ELA HOU-SIDE COVER

MEA UNIT-DUPLEX ASS’Y

SEC CODE

Q’TY

JC96-02183B

1-1

PMO-GUIDE DP SIDE

JC72-00806A

1-2

CBF HARNESS-SCAN GND

1-3

SPRING ETC-FUSER EXIT

JC61-70976A

1-4

GEAR-DUP IDLER 17

JC66-00341A

1-5

GEAR-MP/DUP DRV

JC66-00346A

1-6

IPR-BRKT G DUP

JC70-00233A

1-7

PMO-GP LOWER DP

JC72-00732A

1-8

PMO-SHAFT DUP DRIVER

JC72-00764A

1-9

PMO-ROLLER_EXIT

1-10

RPR-RUBBER EXIT

JC73-10203A

1-11

PMO-BUSHING TX(B4)

JG72-40744A

IPR-PLATE SAW

JC70-10232A

PMO-FEED FRAME

JC72-00731A

PMO-HOLDER SAW

JC72-41213A

IPR-BRACKET GUIDE A

JC70-00229A

PMO-LOCKER SIDE R

JC72-00763A

PMO-LOCKER OPEN

JC72-00762B

SPRING ETC-LOCKER TORSION

JC61-00479A

SPRING ETC-FEED

JC61-00478A

MEA UNIT-TRAY

10-1

PMO-TRAY CASE,MP

JC72-00776A

10-2

PMO-TRAY EXT,MP

JC72-00778A

10-3

PMO-SIDE GUIDE MP

JC72-00547G

10-4

PMO-TRAY COVER,MP

JC72-00777A

10-5

IPR-GUIDE LATCH

JB70-10906A

10-6

PMO-TRAY LINK,MP

JC72-00857A

10-7

LABEL(R)-HEIGHT,MP

JC68-00697A

CBF HARNESS-OPE GND

JC39-00036A

PMO-TIE STOPPER

JC72-00766A

IPR-BRKT GROUND B

JC70-00230A

IPR-BRKT GROUND TR

JC70-00231A

IPR-BRKT GROUND A

JC70-00232A

IPR-BRACKET GUIDE B

JC70-00234A

PMO-BUSHING FEED

JC72-00730A

RING-CS

6044-000001

PMO-SIDE COVER

JC72-00765A

ICT-SHAFT LOCKER

JC70-00266A

REMARK

O : Service available X : Service not available

Samsung Electronics

5-13

Exploded Views and Parts List

5-5. Cassette Ass’y Exploded View & Parts List

S6
S6
7

8
2
16
2

6
17
12
21
9

10
19
23
19

5-14

Samsung Electronics

Exploded Views and Parts List

Cassette Ass’y Parts List
NO

DESCRIPTION

SEC CODE

Q’TY

MEC-CASSETTE PLUS ASS’Y

JC97-01736A

IPR-FINGER

JC70-00220A

PLATE GUIDE PAPER

JC61-00831A

IPR-PLATE K/UP

JC70-00221A

PMO-COVER CASSETTE

JC72-00795A

PMO-FRAME CASSETTE

GUIDE FRONT CST PLUS

PMO-GUIDE REAR

JC72-00717A

GUIDE SIDE CST

PMO-LOCKER PLATE

JC72-41210A

PAD-CST PLUS

SPRING-LOCKER PLATE

JG61-70531A

SPRING CS RE

SPRING CS FR

LABEL(R)-INSTRUCTION CST PLUS

LABEL(R)-HEIGHT CST

GUIDE SIDE HANDLE

IPR FINGER LEFT

JC70-00325A

PMO-BUSHING FINGER, F

JC61-00653A

WASHER PLAIN

SPRING WHITE BAR

JC61-00548A

GUIDE SUB WALL

JC61-00840A

PMO-IMPACT CASSETTE

JC72-00877A

REMARK

O : Service available X : Service not available

Samsung Electronics

5-15

Exploded Views and Parts List

5-6. Exit Ass’y Exploded View & Parts List

7
21
8
10

4
5
4
10

20
22

17
15
16

12
14

5-16

Samsung Electronics

Exploded Views and Parts List

Exit Ass’y Parts List
NO

DESCRIPTION

SEC CODE

Q’TY

MEA UNIT-EXIT ASS’Y

JC97-01643A

PMO-GUIDE-EXIT UPPER

JC72-00708A

PMO-GUIDE-EXIT LOWER

JC72-00710A

PMO-GUIDE-JAM REMOVE

MEC-ROLLER EXIT DRV

JC75-00127A

PMO-ROLLER DECURL

JC72-00833A

PMO-PULLEY DUPLEX

JC72-40980A

BELT-TIMING GEAR

6602-001084

GEAR-DUPLEX

JC66-40912A

PMO-BEARING LARGE DP

JC72-00885A

PMO-BEARING LARGE DP

JC72-40978A

IPR-GROUND-EXIT

ICT-SHAFT-EXIT LOWER ID

PMO-ROLLER_EXIT

SPRING ETC-EXIT ROLL FD

HOLDER-EXIT(MC)

PMO-ROLLER FD F

JC72-41007A

PMO-ROLLER FD R

JC72-41008A

SPRING ETC-EXIT LOWER IDLE

MEC-BRUSH ANTISTATIC

JC75-00095A

PBA SUB-BIN_FULL_SEN.

JC92-01400A

RING-C

PMO-LEVER-STACKING

JC72-00709A

REMARK

O : Service available X : Service not available

Samsung Electronics

5-17

Exploded Views and Parts List

5-7. Feeder Ass’y Exploded View & Parts List
0
2

6
5

4
7

S6
S6
11
19

21
9

5
8

17
6

15
17
19

18
12
S6

14
21

5-18

Samsung Electronics

Exploded Views and Parts List

Feeder Ass’y Parts List
NO

DESCRIPTION

SEC CODE

Q’TY

JC75-00143B

JC66-00332A

MEA-FEED ASS’Y

PMO-FRAME FEED

GEAR-FEED

GEAR-MP/DUP DRV

ICT-SHAFT FEED

BEARING-PICKUP

RING-E

RING-CS

PMO-BRKT FEED

PMO-ROLLER FEED

JC72-00727A

PMO-HOLDER PINCH C

PMO-HOLDER PINCH SUB

PMO-ROLLER FEED L

JC72-40261A

SPRING-FEED CAST

PMO-HOLDER PINCH M

PMO-SUB HOLDER FEED

SPRING-FEED MP

WASHER-PLAIN

PMO-ROLLER FEED S

IPR-SHAFT FEED IDLER

SHEET FEEDER

E-RING

REMARK

Ø3

O : Service available X : Service not available

Samsung Electronics

5-19

Exploded Views and Parts List

5-8. MP Ass’y Exploded View & Parts List

16
3

20
9
18

21
14
20

2
3

4
S9

12
11

13
17
15

5-20

Samsung Electronics

Exploded Views and Parts List

MP Ass’y Parts List
NO

DESCRIPTION

SEC CODE

Q’TY

ELA HOU-MP ASS’Y

JC96-02182A

A/S-PICK UP, MP AS(FRU)

JC81-00427A

PMO-BUSHING PICKUP,MP

JC72-41364A

RING-E

6044-000125

SOLENOIDE,MP

JC33-00006A

SPRING-CAM MP

JC61-00003A

SPRING-PICK UP,MP

SPRING-KNOCKUP,MP

JC61-00483A

IPR-BRACKET SOLENOIDE

PMO-HOLDER CAM MPF

PMO-GEAR P/U MPF

PMO-ROLLER CAM.MP

PMO-ACTUATOR,MP

JC72-00767A

PMO-ADJUSTER,MP

JC72-00768A

PMO-CAM PICK UP,MP

JC72-00769A

PMO-FRAME,MP

JC72-00770A

PMO-HOLDER PAD,MP

JC72-00771A

PMO-HOLDER SENSOR,MP

JC72-00772A

PMO-HOUSING PICK UP,MP

PMO-PLATE KNOCK UP,MP

PMO-IDLE PICK UP,MP

JC72-41027A

RPR-RUBBER PICK UP,MP

RPR-RCT-PAD-PICKUP,MP

JC73-00090A

RPR-PAD KNOCK UP,MP

JC73-10906A

PBA SUB-MP SEN

JC92-01362A

REMARK

O : Service available X : Service not available

Samsung Electronics

5-21

Exploded Views and Parts List

5-9. Base Frame Exploded View & Parts List

20
17

1
8
16

2
9

11
6
1

10
5
7
1

4
18
11

5-22

1
5

Samsung Electronics

Exploded Views and Parts List

Base Frame Parts List
NO
0

DESCRIPTION

SEC CODE

Q’TY

ELA HOU-BASE FRAME

JC96-02818A

SCX-5315F

ELA HOU-BASE FRAME

JC96-02818B

SCX-5115

SCREW-TAPTITE

SPRING ETC-TORSION

FOOT-ML80

JC61-40001A

CAM-CATCH

IPR-CHANNEL BASE FRAME

IPR-GROUND PLATE A(OPC)

JC70-00240A

IPR-GROUND PLATE B(BASE)

JC70-00241A

PMO-BASE FRAME

JC72-00779A

PMO-BRACKET PUSH DEVE

PMO-BRACKET SIDE OPEN

JC72-00781A

PMO-COVER FRONT DUMMY

JC72-00785A

ELA M/M-AUD SPEAKER

JC96-01607A

SPRING ETC-DEVE REAR

CBF HARNESS-OPC GND

FAN-DC(LSU)

JC31-00026A

SPRING ETC-DEVE FRONT

SHEET-BASE FRAME

SCREW-TAPPING

REMARK

O : Service available X : Service not available

Samsung Electronics

5-23

Exploded Views and Parts List

5-10.Pick-up Ass’y Exploded View & Parts List

S
10

9
5

12
1

8
3

23
4

21
14
22

17
15
22

19
18

22
19
13

5-24

Samsung Electronics

Exploded Views and Parts List

Pick-up Ass’y Parts List
NO

DESCRIPTION

SEC CODE

Q’TY

JC96-02715B

ELA HOU-PICKUP PLUS ASS’Y

IPR-GND FEED

IPR-GND INPUT

JC70-00235A

IPR-GUIDE INPUT

JC70-00222A

PMO-ACTUATOR NO PAPER

PBA SUB-TONER_TX

JC92-01359A

PBA SUB-PTL

JC92-01361A

PMO-FEED SENSOR

PMO-GUIDE PAPER

JC72-00722A

PMO-HOLDER SENSOR FEED

PMO-LENS TONER SENSOR

PMO-PTL PATH

PBA SUB-FEED+P.EMP SEN.

JC92-01363A

PMO-BUSHING_P/U,MP

JC72-41364A

HOUSING-PICKUP LARGE

HOUSING-PICKUP SMALL

RPR RUBBER PICKUP

RUBBER PICKUP SMALL

JC73-00163A

SHAFT-PICKUP CST

SHAFT PIN ADF

SHEET-PTL PATH

SHAFT-SUB-PICKUP

RING-E ID4

6044-000125

RING-E ID5

6044-000231

PMO-BEARING SHAFT

JC72-41191A

SCREW-TAPTITE

REMARK

O : Service available X : Service not available

Samsung Electronics

5-25

Exploded Views and Parts List

5-11. Drive Ass’y Exploded View & Parts List

5
8

24
10

2
S10

S1
3

23
S10
12

S10
14
S10

20
22

19
17

23
17

18
23

16
23

5-26

Samsung Electronics

Exploded Views and Parts List

Drive Ass’y Parts List
NO

DESCRIPTION

SEC CODE

Q’TY

JC96-02741A

ELA HOU-DRIVE(15PPM)

IPR-BRKT MOTOR

MOTOR STEP-MAIN

JC31-00020B

CBF HARNESS-MOTOR

JC39-00165A

RING-C

6044-000159

SOLENOID-DUPLEX

JC33-00008A

SPRING ETC-SOLENOID DP

IPR-LINK SOLENOID

GEAR-EXIT/U,ID

JC66-40211B

GEAR-SWING DRV

GEAR-35/19

GEAR-71/23

GEAR-DEVE DRV

PMO-DEV/COUPLING

GEAR-RDCN,OPC

GEAR-86/23

GEAR-RDCN FEED OUTER

GEAR-HUB CLUTCH

GEAR-RDCN FEED INNER

GEAR-FEED DRV

GEAR-OPC DRV

GEAR-GEAR FUSER DRV OUTER

GEAR-FUSER DRV INNER

RING-E

6044-000231

MOTOR STEP-MAIN

JC31-00028B

REMARK

M49SP-2K

M4PSP-2NK

O : Service available X : Service not available

Samsung Electronics

5-27

Exploded Views and Parts List

5-12. Main Frame Ass’y Exploded View & Parts List

19
S5

S5
23

28
13
27

22
32
25
33

25 24
24

26 31
29.30
S4

16
20

10
8

7
6
21

5-28

1
2

15
S5

5
3

Samsung Electronics

Exploded Views and Parts List

Main Frame Ass’y Parts List
NO

DESCRIPTION

SEC CODE

Q’TY

ELA HOU-FRAME MAIN ASS’Y

JC96-02184A

PMO-HOUSING TERMINAL

JC72-00802A

IPR-TERMINAL BLADE

IPR-TERMINAL SUPPLY

IPR-TERMINAL TR

JC70-00271A

IPR-TERMINAL GND

JC70-00272A

IPR-TERMINAL DEVE KEY

CBF-HARNESS-DEV-ID

CBF-HARNESS-BLADE+SUPPLY+DEV

CBF-HARNESS-THV WIRE

CBF-HARNESS-MHV WIRE

PMO-FRAME MAIN

JC72-00800A

PMO-LENS TONER SENSOR

JC72-00803A

IPR-GND EXIT

IPR-GND OPC

IPR-GND OPC BASE

IPR-GND FUSER

IPR-GUARD C/O S/W

IPR-GND TERMINAL

CBF HARNESS-AC WIRE

AS-SWITCH MICRO(FRU)

JC81-00438A

CBF-HARNESS-EARTH(TX MOTOR)

PBA SUB-EXIT SENSOR

JC92-01364A

PBA SUB-TONER_RX

JC92-01360A

GEAR-EXIT/U,ID

JC66-40211B

GEAR-EXIT,IDLE(Z17)

JC66-40964A

CBF-HARNESS THERMISTOR_JOINT

JC39-00164A

PMO-HOUSING TERMINAL

JC72-41010A

IPR-TERMINAL FU

JC70-10961A

PMO-CAP CONNECTOR L

JC72-00463A

PMO-CAP CONNECTOR U

JC72-00465A

ELA HOU-MOTOR GND

SPRING-CLUTCH

JB61-70922A

RING-CS

6044-000001

REMARK

O : Service available X : Service not available

Samsung Electronics

5-29

Exploded Views and Parts List

5-13. FuserAss’y Exploded View & Parts List

S5
S5

13
28

S1
6-1
6-2

10
12

11
7
8

S12

23
3

23-3
24
23-4
23-2
19
23-1
22
16
17
18
15

S5
20

16
21
25

5-30

Samsung Electronics

Exploded Views and Parts List

Fuser Ass’y Parts List
NO

SEC CODE

Q’TY

ELA HOU-FUSER

JC96-02814A

110V

ELA HOU-FUSER

JC96-02815A

220V

PMO-UPPER FUSER

JC72-00812A

ROLLER-HEAT

PMO-BEARING H/R-F

JC72-00814A

BEARING-H/R L

JC66-10902A

GEAR-FUSER

JC66-40913B

GEAR-FUSER

JC66-00669A

MEA UNIT-CLAW ASS’Y

JC97-01587A

6-1

SPRING ETC-SAPERATION

JC61-70909A

6-2

PMO-GUIDE CLAW

JC72-20901A

DESCRIPTION

REMARK

110V

PEX-ROLLER EXIT F_UP

IPR-PIN ROLLER EXIT

NPR-ELECTRODE GEAR

JC71-00029A

NPR-ELECTRODE M

JC71-00030A

NPR-ELECTRODE F

JC71-00028A

THERMOSTAT

4712-000001

THERMISTOR

JC14-00001A

LAMP-HALOGEN

4713-001170

110V

LAMP-HALOGEN

4713-001171

220V

PMO-LOWER FUSER

JC72-00820A

SPRING ETC-PR(7300)

JC61-00056A

BEARING-PRESSURE/R

JC66-10901A

ROLLER-PRESSURE

PMO-LEVER JAM R

JC72-01262A

PMO-LEVER JAM F

JC72-01259A

PMO-GUIDE INPUT

JC72-00817A

IPR-GROUND FU

JC70-00259A

MEA UNIT-ACTUATOR ASS’Y

JC97-01611A

23-1

PMO-ACTUATOR EXIT

JC72-00810A

23-2

PMO-GUIDE DUPLEX

JC72-00816A

23-3

PMO-ARM ACTUATOR

JC72-00811A

23-4

GUIDE-REMOVE

JC61-00485A

SPRING ETC-ACTUATOR6G

LABEL(R)-CAU_HOT_FU

LABEL(R)-HV FUSER

LABEL FUSER M+

NUT-HEXAON

O : Service available X : Service not available

Samsung Electronics

5-31

Exploded Views and Parts List

5-14. Screw
NO

SEC CODE

6006-000127

SCREW-ASS’Y
MACH

WS,PH,+,M3,L6,ZPC(YEL),MSWR15

6001-000568

SCREW-MACHINE

PH,+,M3,L8,NI PLT,SM20C,-

6002-000175

SCREW-TAPPING

PWH,+,2,M3,L8,ZPC(YEL),SM20C

6002-000351

SCREW-TAPPING

PH,+,2,M2,L8,ZPC(YEL),SM20C

6003-000119

SCREW-TAPTITE

BH,+,B,M3,L8,CBLACK,SWRCH18A

6003-000196

SCREW-TAPTITE

PWH,+,B,M3,L10,NI PLT,SWRCH18A

6003-000198

SCREW-TAPTITE

PWH,+,B,M3,L12,ZPC(YEL),SWRCH1

6003-000221

SCREW-TAPTITE

PWH,+,S,M4,L8,ZPC(YEL),SWRCH18

6003-000266

SCREW-TAPTITE

PWH,+,S,M3,L6,ZPC(YEL),SWRCH18

S10

6003-000269

SCREW-TAPTITE

BH,+,S,M3,L6,ZPC(YEL),SWRCH18A

S11

6003-001256

SCREW-TAPTITE

BH,+,B,M4,L10,NI PLT,SWRCH18A

S12

6006-001031

SCREW-ASS’Y
MACH

WSP,PH,+,M3,ZPC(YEL),SM10C

5-32

DESCRIPTION

SPEC.

Samsung Electronics

Block Diagrams

6. Block Diagrams
MAIN
LCD 1 6 x 2 line

DEV

SUPPLY

BLADE

SPGPm
Backup logic

OPE
MICOM
- LCD Drive
- Key Scan

SMPS / HVPS

ARM946ES
2 4P

SRAM

CACHE(16K*2)

Flash,Kernel

ROMC

(1MB) X 2EA

SDRAM,16MB

PLATEN
15P D-SUB

Font ROM

D-SUB
CONN.

+5V/+24V/+12V/+24Vs/Fuser

SDRAMC

24P

DMAC

MOTOR
DRIVER

PVC

A3977SLR
11P

I/O I/F

Engine Control

LSU
THERMISTOR
FAN

Extended

FLAT MOTOR

DEV_ID

GPIO

Option

TONER_TX

TONER_RX

PTL

74LCX245

NETWORK KIT
NETWORK
I/F(NetONE)

ADF

MOTOR 1
MOTOR 2

GEU/HCT/gCODEC

IEEE1284/USB2.0

SOLENOID

2P x 3EA

74HCT273

PICK_UP,DUPLEX,MP
3P x 2EA
6P x 1EA

PAPER SENSOR

CIP4

MOTOR
DRIVER

FEED+P.EMP,EXIT,MP
4P

Image Processer

ADF MOTOR

FAST
SRAM

PAPER SENSOR
POS,DET

AFE I/F

+24V / +5V

Option

MODEM

I/O PORT

(28Kbit)

3P x 2EA

33.6Kbps

Motor CNTR

MOTOR
DRIVER

COVER OPEN S/W

TRANSFORMER
600//600
Tx:Rx

DMAC

AFE

LIN E
IN T ERF A CE

Network I/F
CENTRONICS CABLE

Option
24P

CCD MODULE

MODEM &
EXT_PHONE
SEPERATING
PART

EXTERNAL
PHONE
INTERFACE
PART

LIU
LINE1

EXTERNAL
PHONE

External
Auditron

USB CABLE

Samsung Electronics

6-1

Connection Diagrams

7. Connection Diagrams

SCA N

L CD 20x 2line

DEV

SUPPLY

BLADE

24P

OU T BIN F ULL

HYPER

CN 26

FLAT MOTOR

CN 7

D-SUB
CONN.

CN9

Pl at en

11P

MAIN PBA

CN 1 4

ADF

USB CABLE

MOTOR
DRIVER

24P

CN 18
CN 25

CN 13

CN 22

CN 20 CN 1

CN 2 3

CN 1 9 CN 1 7 CN 2 6 CN 2 4

OPC

CN 1 6 CN 1 1 CN 3

Option

+5V/+24V/+12V/+24Vs /Fuser

DEV MOTOR
FEED MOTOR

SDRAM DIMM
16/32MB
CN28 (100P)

15P D -SUB

C N8

36 P

CN12

CENTRONICS
CABLE

Flash DIMM
PS3 (2MB)
CN29 (100P)

CN 2 CN 6

80P
Network CARD

24P

CN 2 7

MI COM
- LCD Drive
- Key Scan

SMPS / HVPS

CN 4

CN10

CN5

OPE

LSU

THERMISTOR
FAN1
FAN1

DEV_ID

TONER_T X

TONER_RX

PTL

COVER OPEN
S/W
+24 V / +5V

DADF MOTOR
PAPER SENSOR
POS,DET

3P x 2EA

CCD MODULE

TRANSFORMER

600/ / 600
2P

14P

Tx: Rx

L IN E

SOLENOID
PICK_ UP,DUPL EX,MP

PAPER
SEN SOR

IN T ERFAC E

MODEM
EXT_PHONE
SEPRATING
PART

EXTERNAL
PHONE
INTERFACE
PART

LI U
LINE1

EXTERNAL
PHONE

FEED+P.EMP,EXIT,MP

Samsung Electronics

7-1

Connection Diagrams

Description

CON No. Pin No.
CN1
EXIT

LSU

GND

EXIT SENSOR

24V

GND

CON No. Pin No.

GND

CN11

GND

Description

5VS

GND

LD_ON*

VDO*

MODULE_DETECT

LSU_CLK

SCAN_ADF_IB(1)

LREADY*

ADF_P_POS

PMOTOR

ADF_P_DET

GND

THV_PWM

24VS1

ADF_P_REGI

+24VS1

OPE_RXD

THV_EN

OPE_RST

+24VS1

CN4

Description
GND

SCAN

CON No. Pin No.

SCAN_ADF_IA(1)

GND

CN12

SCAN_ADF_IA(0)

12V

SCAN_ADF_IB(0)

GND

ADF_PHB

10
CN5

24V

GND

24V

PWR/

GND

HVPS

24V

OPE_TXD

THVREAD

FLAT _COVER

FUSER_ON

TM_A

MHV_PWM

TM_NA

SPK+

TM_B

DEV_PWM

TM_NB

CCD_VOR

GND

CCD_VOG

GND

CCD_PI_TG1

CON No. Pin No.

CCD_PI_TG1

CN 6

THERM

CCD_PI_TG1

THERMISTER

THERM

CCD_PI2

CCD_PI1

GND

CCD_PI_CP

SPK-

OUTBIN_FULL*
GND

24V

FAN

GND

CCD_HOME

CON No. Pin No.

24V

CN9

24V

FAN

INV_POWER

GND

Description

CON No. Pin No.

CN20

PEMPTY

FEED*

GND

PEMPTY

DUPLEX_SOL

GND

Description

CON No. Pin No.

DEV_ID

GND

GND
Description

CON No. Pin No.
CN16

NEW_OPC

OPC

GND
Description

CON No. Pin No.
CN17
TONER_

TONER_RX

GND

Description

CN18

LIU

Description

CN21

PTL

PTL
Description

CON No. Pin No.
CN22

24V

MP_SOL

MP_SOL
Description

CON No. Pin No.
CN23

MP_EMP

MP_EMPTY

GND
Description

CON No. Pin No.
CN24

Description

CON No. Pin No.

Description

CON No. Pin No.

TONER_TX

24V

Description

CN8

OUT_BIN_FULL

TONER_

Description
PARALLEL PORT

Description

CON No. Pin No.

CN13

CN7

USB PORT

CON No. Pin No.

CN14

CCD_PI_RS

Description

CON No. Pin No.

36P

NPC

Description

CON No. Pin No.
CN19

FEED/

GND

CCD_VOB

80P

CN10

MODULE 14

7-2

ADF_PHA

HSYNC*

CCD

Description

CON No. Pin No.

CN3

Description

CON No. Pin No.

5VCC

CON No. Pin No.

CN2

Description

CON No. Pin No.

COVER
S/W

MODEM_RX

GND

MODEM_TXA1

MODEM_TXA2

12V

REMOTE

CML1

HOOK2*

CN26

RIN G_DET*

HYPER

I/F

GND

RECALL

E_DP*

5VS

24V

24VS
Description

CON No. Pin No.
CN25

24V

PICK_UP_SOL

MAIN_SOL
Description

CON No. Pin No.
1

HYPER_TXD

HYPER_RXD

GND

CON No. Pin No.

Description

FEED MOTOR B

FEED MOTOR A

CN27

FEED MOTOR B*

FUSER,

FEED MOTOR A*

FEED

FUSER MOTOR A

MOTOR

FUSER MOTOR B

FUSER MOTOR B*

FUSER MOTOR A*

Samsung Electronics

Connection Diagrams

Memo

Samsung Electronics

7-3

Repair Manual
Digital Laser MFP

SCX-5315F/SCX-5115
CONTENTS
1. Block Diagram
2. Connection Diagram
3. Circuit Description
4. Schematic Diagrams

This manual is made and
described centering around
circuit diagram
and circuit description needed
in the repair center
in the form of appendix.

Samsung Electronics Digital Printing
CS Group
Copyright (c) 2003. 07

- This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law. -

Block Diagrams

1. Block Diagrams
MAIN
LCD 1 6 x 2 line

DEV

SUPPLY

BLADE

SPGPm
Backup logic

OPE
MICOM
- LCD Drive
- Key Scan

SMPS / HVPS

ARM946ES
2 4P

SRAM

CACHE(16K*2)

Flash,Kernel

ROMC

(1MB) X 2EA

SDRAM,16MB

PLATEN
15P D-SUB

D-SUB
CONN.

24P

+5V/+24V/+12V/+24Vs/Fuser

SDRAMC

Option
SDRAM
DIMM

DMAC

MOTOR
DRIVER

PVC

A3977SLR
11P

I/O I/F

Engine Control

IEEE1284/USB2.0

LSU
THERMISTOR
FAN

Extended

DEV_ID

GPIO

Option

TONER_TX

TONER_RX

PTL

74LCX245

NETWORK KIT
NETWORK
I/F(NetONE)

ADF

MOTOR 1
MOTOR 2

GEU/HCT/gCODEC

16MB

FLAT MOTOR

SOLENOID

2P x 3EA

74HCT273

PICK_UP,DUPLEX,MP
3P x 2EA
6P x 1EA

PAPER SENSOR

CIP4

MOTOR
DRIVER

FEED+P.EMP,EXIT,MP
4P

Image Processer

ADF MOTOR

FAST
SRAM

PAPER SENSOR
POS,DET

AFE I/F

+24V / +5V

Option

MODEM

I/O PORT

(1Mb it)

3P x 2EA

33.6Kbps

Motor CNTR

MOTOR
DRIVER

COVER OPEN S/W

TRANSFORMER
600//600
Tx:Rx

DMAC

AFE

LIN E
IN T ERF A CE

Network I/F
CENTRONICS CABLE

Option
2 2P

CCD MODULE

MODEM &
EXT_PHONE
SEPERATING
PART

EXTERNAL
PHONE
INTERFACE
PART

LIU
LINE1

EXTERNAL
PHONE

External
Auditron

USB CABLE

Samsung Electronics

1-1
- This Document can not be used without Samsung's authorization -

Connection Diagrams

2. Connection Diagrams
T

SCA N

L CD 20x2line

Network CARD

SCF

15P D -SUB
4P

OU T BIN F ULL

PC N T

FLAT MOTOR

OPC

USB CABLE

2 2P

POS,DET

CN 2 0 CN 2 7 CN 3 0

CN 28 CN 3

BLADE

DEV MOTOR

FEED MOTOR

11P

LSU

THERMISTOR

FAN1

CN 2 2
CN 24

DEV_ID
3P

TONER_T X
4P

TONER_RX

PTL

COVER OPEN
S/W
+24V / +5V

DADF MOTOR
PAPER SENSOR

CN 1

CN 2 3 CN 2 1 CN 2 6 CN 2 9

1 0P

+5V/+24V/+12V/+24Vs /Fuser

CN 1 8

MOTOR
DRIVER

DEV CN T

MAIN PBA

CN 1 3 CN 5

ADF

CN 1 9 CN 1 7

Option

HYPER

16MB
C N15(10 0P)

CN 1 2 CN 1 9 CN 2 5

D-SUB
CONN.

SDRAM DIMM

CN 3 1

Plat en

36 P

CN 1 6

CENTRONICS
CABLE

Fl as h DIMM
PS3 (2MB)
CN15(100P)

2 4P

CN 1 4 CN 3 3 CN 4 CN 7 C N1 0 CN 1 1

MI COM
- LCD Drive
- Key Scan

DEV
SUPPLY

SMPS / HVPS

CN 2

CN8

CN6

OPE

10P
3P x 2EA

CCD MODULE

External
Auditron

3P
2P

TRANSFORMER

6P
14P

600/ / 600
Tx: Rx

LIN E

SOLENOID
PICK_ UP,DUPL EX,MP

PAPER
SEN SOR

IN T ERFAC E

MODEM
EXT_PHONE
SEPRATING
PART
EXTERNAL
PHONE
INTERFACE
PART

LI U
LINE1

EXTERNAL
PHONE

FEED+P.EMP,EXIT,MP

Samsung Electronics

2-1
- This Document can not be used without Samsung's authorization -

Circuit Description

3. Circuit Description
3-1 Main PBA
3-1-1 Summary
The main circuit that consists of CPU, MFP controller (built-in 32bit RISC processor core: ARM946ES) including various I/O device drivers, system memory, scanner, printer, motor driver, PC I/F, and FAX transceiver controls the whole system. The entire structure of the main circuit is as follows :

SCAN

LCD 20x2line

Network CARD

OPC

USB CABLE

CN20 CN27 CN30

CN28 CN3 CN24

CN22

CN 2 9

POS,DET

CN1

BLADE

LSU
THERMISTOR
FAN1

FAN1
DEV_ID

TONER_TX
4P

TONER_RX

PTL

COVER OPEN
S/W
+24V / +5V

DADF MOTOR
PAPER SENSOR

CN 2 6

22P

SUPPLY

CN 5

MOTOR
DRIVER

FEED MOTOR

11P

CN 2 1

DEV MOTOR

CN 2 3

DEV CNT

MAIN PBA

10P

CN 1 8

CN 1 3

ADF

HYPER

CN 1 9 CN 1 7

Option

CN 2 5

FLAT MOTOR

PCNT

DEV

+5V/+24V/+12V/+24Vs/Fuser

C N1 0 CN 1 1

24P

CN 7

OUT BIN FULL

CN 1 9

D-SUB
CONN.

CN 3 3 CN 4

16MB
CN15(100P)

CN 1 2

SCF

15P D-SUB

SDRAM DIMM

CN 3 1

Platen

36P

CN 1 6

CENTRONICS
CABLE

Flash DIMM
PS3 (2MB)
CN15(100P)

CN 1 4

MICOM
- LCD Drive
- Key Scan

SMPS / HVPS

CN2

CN8

CN6

OPE

10P
3P x 2EA

CCD MODULE

External
Auditron

3P
2P

TRANSFORMER

6P
14P

600/ / 600
Tx: Rx

LINE

SOLENOID
PICK_UP,DUPLEX,MP

PAPER
SENSOR

INT ERFACE

MODEM
EXT_PHONE
SEPRATING
PART
EXTERNAL
PHONE
INTERFACE
PART

LIU
LINE1

EXTERNAL
PHONE

FEED+P.EMP,EXIT,MP

Samsung Electronics

3-1
- This Document can not be used without Samsung's authorization -

Circuit Description

3-2 Circuit Operation
3-2-1 Clock
1) System Clock
Device

Oscillator

Frequency

12MHz

• ARM946ES RISC PROCESSOR: drives PLL internally uses 120MHz and external Bus uses 60 MHz.

2) Video Clock
Device

Oscillator

Frequency

57.0167MHz

• Fvd =((PAPER 1SCAN LINE sending time * SCAN effective late /1SCAN LINE DOT #)*4
=(600dpi*600dpi*58.208mm/s*216mm*4)/(25.4mm*25.4mm*76.1%)=28.697MHz
•PAPER 1SCAN LINE sending time=SCAN LINE interval/DOCUMENT SPEED (58.208mm/S)
•1SCAN LINE DOT #=MAZ SCAN distance(216mm)*DOT# per 1mm

3)USB Clock
Device

Oscillator

Frequency

48MHz

3-2-2 POWER ON/OFF RESET
1) Signal Operation
Input Signal
Output Signal

RESET TIME (Td)

+3.3V Power Line (VCC)
ARM946ES nRESET and 29LU16ø
• POWER ON/OFF DETECT VCC RISING/FALLING 4.5°≠4.6V
1.48~1.52ms
• Td=(Ct*V sensing)/I charge (...Ct=33µF, Is=100µA)

2) TIMING CHART
MCLK
nRESET
20 MCLK

20 MCLK

5.461 ms
(65535 MCLK)

nPWRGD
HICLK

CLK falling

reRESETn
5.461 ms
(65535 MCLK)

RESETn
15 HCLK

3-2

Samsung Electronics
- This Document can not be used without Samsung's authorization -

Circuit Description

3-2-3 RISC MICROPROCESSOR
1) RISC MICROCESSOR PIN & INTERFACE(SPGPm)
Ball No

Pin No

Pin Name

I/O

Description

PAD

SD15

I/O

SDRAM Bus Data[15]

BD8TARP_TC

VSS_PLL1

VSS for Core PLL

VDD_PLL1

VDD for Core PLL (1.8V)

DATA0 / GPI1

I/O

ROM Bus Data[0] / GPI[1]

BD8TRP_FT

MCLK

Core PLL Clock Input (12MHz)

TLCHT_TC

DATA6 / GPI7

I/O

ROM Bus Data[6] / GPI[7]

BD8TRP_FT

DATA1 / GPI2

I/O

ROM Bus Data[1] / GPI[2]

BD8TRP_FT

DATA5 / GPI6

I/O

ROM Bus Data[5] / GPI[6]

BD8TRP_FT

VDD_RING_OSC

VDD for Ring Oscillator (1.8V)

DATA3 / GPI4

I/O

ROM Bus Data[3] / GPI[4]

BD8TRP_FT

DATA9 / GPI10

I/O

ROM Bus Data[9] / GPI[10]

BD8TRP_FT

GND

GROUND_RING

DATA8 / GPI9

I/O

ROM Bus Data[8] / GPI[9]

BD8TRP_FT

DATA7 / GPI8

I/O

ROM Bus Data[7] / GPI[8]

BD8TRP_FT

DATA12 / GPI13

I/O

ROM Bus Data[12] / GPI[13]

BD8TRP_FT

DATA11 / GPI12

I/O

ROM Bus Data[11] / GPI[12]

BD8TRP_FT

DATA10 / GPI11

I/O

ROM Bus Data[10] / GPI[11]

BD8TRP_FT

DATA4 / GPI5

I/O

ROM Bus Data[4] / GPI[5]

BD8TRP_FT

DATA15 / GPI16

I/O

ROM Bus Data[15] / GPI[16]

BD8TRP_FT

DATA14 / GPI15

I/O

ROM Bus Data[14] / GPI[15]

BD8TRP_FT

VDD_CORE

VDD for CORE (1.8V)

DATA19

I/O

ROM Bus Data[19]

BD8TRP_FT

DATA18

I/O

ROM Bus Data[18]

BD8TRP_FT

DATA17

I/O

ROM Bus Data[17]

BD8TRP_FT

DATA16

I/O

ROM Bus Data[16]

BD8TRP_FT

DATA22

I/O

ROM Bus Data[22]

BD8TRP_FT

DATA13 / GPI14

I/O

ROM Bus Data[14] / GPI[14]

BD8TRP_FT

DATA20

I/O

ROM Bus Data[20]

BD8TRP_FT

DATA21

I/O

ROM Bus Data[21]

BD8TRP_FT

DATA25

I/O

ROM Bus Data[25]

BD8TRP_FT

DATA26

I/O

ROM Bus Data[26]

BD8TRP_FT

DATA23

I/O

ROM Bus Data[23]

BD8TRP_FT

DATA24

I/O

ROM Bus Data[24]

BD8TRP_FT

DATA29

I/O

ROM Bus Data[29]

BD8TRP_FT

DATA30

I/O

ROM Bus Data[30]

BD8TRP_FT

DATA27

I/O

ROM Bus Data[27]

BD8TRP_FT

DATA28

I/O

ROM Bus Data[28]

BD8TRP_FT

VDD_ARM

VDD for ARM

DATA31

I/O

ROM Bus Data[31]

BD8TRP_FT

DATA2 / GPI3

I/O

ROM Bus Data[2] / GPI[3]

BD8TRP_FT

VDD_CORE

VDD for CORE (1.8V)

nROMCS2

ROM Bank2 Select_n

B4TR_TC

Samsung Electronics

3-3
- This Document can not be used without Samsung's authorization -

Circuit Description

Ball No

Pin No

Pin Name

I/O

Description

PAD

nRD

ROM Bus Read_n

B4TR_TC

nROMCS0

ROM Bank0 Select_n

B4TR_TC

nROMCS3 / nIOCS3 /
GPO1

ROM Bank3 Select_n / IO Bank3
Select_n / GPO[1]

B4TR_TC

nWR

ROM Bus Write_n

B4TR_TC

nROMCS1

ROM Bank1 Select_n

B4TR_TC

ADDR12

ROM Bus Addr[12]

B8TR_TC

ADDR10

ROM Bus Addr[10]

B8TR_TC

ADDR13

ROM Bus Addr[13]

B8TR_TC

ADDR15

ROM Bus Addr[15]

B8TR_TC

ADDR11

ROM Bus Addr[11]

B8TR_TC

ADDR14

ROM Bus Addr[14]

B8TR_TC

ADDR16

ROM Bus Addr[16]

B8TR_TC

ADDR19

I/O

ROM Bus Addr[19]

BD8TRP_TC

ADDR17

I/O

ROM Bus Addr[17]

BD8TRP_TC

ADDR20

I/O

ROM Bus Addr[20]

BD8TRP_TC

nIOCS0

IO Bank0 Select_n

B4TR_TC

ADDR21

I/O

ROM Bus Addr[21]

BD8TRP_TC

nIOCS1

IO Bank1 Select_n

B4TR_TC

ADDR22

I/O

ROM Bus Addr[22]

BD8TRP_TC

ADDR18

I/O

ROM Bus Addr[18]

BD8TRP_TC

ADDR7

ROM Bus Addr[7]

B8TR_TC

VDD_CORE

VDD for CORE (1.8V)

nIOCS2 / nDACK0 /
GPO2

IO Bank2 Select_n / DMA IO Bank0
ACK_n / GPO[2]

B4TR_TC

ADDR1

ROM Bus Addr[1]

B8TR_TC

ADDR8

ROM Bus Addr[8]

B8TR_TC

ADDR9

ROM Bus Addr[9]

B8TR_TC

ADDR4

ROM Bus Addr[4]

B8TR_TC

ADDR6

ROM Bus Addr[6]

B8TR_TC

ADDR2

ROM Bus Addr[2]

B8TR_TC

ADDR3

ROM Bus Addr[3]

B8TR_TC

ADDR5

ROM Bus Addr[5]

B8TR_TC

VDD_ARM

VDD for ARM Hard Macro(1.8V)

VDD_CORE

VDD for CORE (1.8V)

EINT0 / TnRST

Ext. Interrupt0 / TAP Controller
Reset_n

SCHMITT_FT

EINT1 / TCK

Ext. Interrupt1 / TAP Controller
Clock

SCHMITT_FT

EINT2 / nRXD2 / TMS

Ext. Interrupt2 / UART RX DATA[2] /
TAP Controller Mode Select

SCHMITT_FT

EINT3 / nTXD2 / GPO9

I/O

Ext. Interrupt3 / UART TX Data[2] /
GPO[9]

BD4STRP_FT

nRxD0

UART RX Data[0]

SCHMITT_FT

nRxD1 / GPI17 / TDI

UART RX Data[1] / GPI[17] / TAP
Controller Data In

SCHMITT_FT

nTxD0

UART TX Data[0]

B4TR_TC

W10

TESTMODE

TESTMODE (Nomal : 0)

SCHMITT_TC

3-4

Samsung Electronics
- This Document can not be used without Samsung's authorization -

Circuit Description

Ball No

Pin No

Pin Name

I/O

Description

PAD

V10

nTxD1 / GPO10 / TDO

UART Tx Data[1] / GPO[10] / Tap
Controller Data Out

B4TR_TC

Y10

TESTSE

TESTSE (Normal : 0)

SCHMITT_TC

Y11

VDD_CORE

VDD for CORE (1.8V)

W11

RXERR / GPI25

MAC RX Error / GPI[25]

SCHMITT_TC

V11

GND

GROUND_RING

U11

RX_DV / GPI20

MAC RX Data Valid / GPI[20]

SCHMITT_TC

Y12

RXD0 / GPI21

MAC RX Data[0] / GPI[21]

SCHMITT_TC

W12

nLFPHB1 / nPRINT

Motor Out B_n / Print Start_n

B4TR_TC

V12

nLFPHB0 / nCMSG

Motor Out B / Command
Message_n

B4TR_TC

U12

nLFPHA0 / CCLK

Motor Out A / Communication Clock

B4TR_TC

Y13

RXD1 / GPI22

MAC RX Data[1] / GPI[22]

SCHMITT_TC

W13

VDO

Video Data Out

B8TR_TC

V13

SPD / nDREQ3

I/O

DIMM Detect / DMA REQ[3]_n

BD4SRTP_TC

Y14

nWAIT1 / CRS

Wait_n / MAC Carrier Sensor

SCHMITT_TC

W14

COL / EINT4

MAC Collision Detect / Ext.
Interrupt4

SCHMITT_TC

Y15

TX_EN

MAC TX Enable

B4TR_TC

V14

100

MDIO

I/O

MAC Management Data Inout

BD4STRUQP_TC

W15

101

TXD3 / GPO14

MAC TX Data[3] / GPO[14]

B4TR_TC

Y16

102

TXD2 / GPO13

MAC TX Data[2] / GPO[13]

B4TR_TC

U14

103

MDC / GPO15

MAC Management Data Clock /
GPO[15]

B4TR_TC

V15

104

TXCLK / GPI18

MAC TX Clock(25MHz) / GPI[18]

SCHMITT_TC

W16

105

TXD1 / GPO12

MAC TX Data[1] / GPO[12]

B4TR_TC

Y17

106

PD4

I/O

Parallel Port Data[4]

BD4STRP_FT

V16

107

TXD0 / nIOCS3

MAC TX Data[0] / IO Bank3
Select_n

B4TR_TC

W17

108

RXD3 / GPI24

MAC RX Data[3] / GPI[24]

SCHMITT_TC

Y18

109

PD2

I/O

Parallel Port Data[2]

BD4STRP_FT

U16

110

PD6

I/O

Parallel Port Data[6]

BD4STRP_FT

V17

111

RXD2

MAC RX Data[2] / GPI[23]

SCHMITT_TC

W18

112

PWMOUT2

PWM Output[2]

B4TR_TC

Y19

113

VCLK

Video Reference Clock

TLCHT_TC

V18

114

RXCLK / GPI19

MAC RX Clock(25MHz) / GPI[19]

SCHMITT_TC

W19

115

PD1

I/O

Parallel Port Data[1]

BD4STRP_FT

Y20

116

nINIT

Parallel Port Initialization_n

SCHMITT_FT

W20

117

VSS_ADC

VSS for ADC

V19

118

ATEST_OUT

ADC Test Output

ANA_TC

U19

119

AIN2

ADC Channel2 Input

ANA_TC

U18

120

AIN1

ADC Channel1 Input

ANA_TC

T17

121

AIN0

ADC Channel0 Input

ANA_TC

V20

122

VDD_ADC

Analog power for ADC (3.3V)

U20

123

VDD_CORE

VDD for CORE (1.8V)

T18

124

GND

GROUND_RING

T19

125

VDD_CORE

VDD for CORE (1.8V)

Samsung Electronics

3-5
- This Document can not be used without Samsung's authorization -

Circuit Description

Ball No

Pin No

Pin Name

I/O

Description

PAD

T20

126

VDD_CORE

VDD for CORE (1.8V)

R18

127

VBUS

USB Detect

SCHMITT_FT

P17

128

nLREADY / nEBSY

LSU Ready_n / Engine Busy_n

SCHMITT_FT

R19

129

nSELECTIN

Parallel Port Select Input_n

SCHMITT_FT

R20

130

LSUCLK / nCBSY /
GPO11

LSU Clock / Command Busy_n /
GPO[11]

B4TR_TC

P18

131

PD7

I/O

Parallel Port Data[7]

BD4STRP_FT

P19

132

PWMOUT1

PWM Output[1]

B4TR_TC

P20

133

PWMOUT0

PWM Output[0]

B4TR_TC

N18

134

nEMSG / nDACK3 /
PWMOUT3

I/O

Engine Message_n / DMA
ACK[3]_n / PWM Output[3]

BD4STRP_FT

N19

135

nFSYNC / nLFPHA1

I/O

Frame Sync_n / Motor Out A_n

BD4STRP_FT

N20

136

nHSYNC

Line Sync_n

SCHMITT_FT

M17

137

nSTROBE

Parallel Port Data Strobe_n

SCHMITT_FT

M18

138

PD5

I/O

Parallel Port Data[5]

BD4STRP_FT

M19

139

nWAIT0 / PDE

I/O

Wait_n / Parallel Port Data Enable

BD4STRP_TC

M20

140

nIOCS5 / nSCS4 /
GPO3 / TONEOUT

DRAM Bank4 / IO Bank5 Select_n /
GPO[3] / Tone Pulse Out

BD8TARP_TC

L19

141

PD3

I/O

Parallel Port Data[3]

BD4STRP_FT

L18

142

nFAULT

Parallel Port Fault_n

B4TR_TC

L20

143

nDREQ0 / GPI0 /
ADDR23

I/O

DMA REQ[0]_n / GPI[0] / ADDR[23]

BD4STRP_TC

K20

144

nRESET

External Reset_n Input

SCHMITT_TC

K19

145

PERROR

Parallel Port Paper Error

B4TR_TC

K18

146

nAUTOFD

Parallel Port Auto Feed_n

SCHMITT_FT

K17

147

nDACK2 / DQM7 /
GPO5

DMA ACK[2]_n / DQM[7] / GPO[5]

BD8TARP_TC

J20

148

nDREQ2 / DQM6 /
GPO6

I/O

DMA REQ[2]_n / DQM[6] / GPO[6]

BD8TARP_TC

J19

149

nDREQ1 / DQM4 /
GPO8

I/O

DMA REQ[1]_n / DQM[4] / GPO[8]

BD8TARP_TC

J18

150

VDD_CORE

VDD for CORE (1.8V)

J17

151

nSCS0

SDRAM Bank0 Select_n

BD8TARP_TC

H20

152

nSCS2

SDRAM Bank2 Select_n

BD8TARP_TC

H19

153

nCAS

SDRAM Column Address Select_n

BD8TARP_TC

H18

154

nSCS1

SDRAM Bank1 Select_n

BD8TARP_TC

G20

155

nIOCS4 / nSCS3 /
GPO4

IO Bank4 / SDRAM Bank3 Select_n
/ GPO[4]

BD8TARP_TC

G19

156

BUSY

Parallel Port Busy

B4TR_TC

F20

157

PD0

I/O

Parallel Port Data[0]

BD4STRP_FT

G18

158

SLCT_OUT

Parallel Port Selection Out

B4TR_TC

F19

159

nACK

Parallel Port Acknowledge_n

B4TR_TC

E20

160

nDACK1 / DQM5 /
GPO7

DMA ACK[1]_n / DQM[5] / GPO[7]

BD8TARP_TC

G17

161

nRSTOUT / CLKOUT /
GPO0

Internal Reset_n Out / Internal System Clock Out / GPO[0]

B8TR_TC

F18

162

SA7

SDRAM Bus Addr[7]

BD8TARP_TC

E19

163

SA9

SDRAM Bus Addr[9]

BD8TARP_TC

3-6

Samsung Electronics
- This Document can not be used without Samsung's authorization -

Circuit Description

Ball No

Pin No

Pin Name

I/O

Description

PAD

D20

164

VDD_USB

VDD for USB Hard Macro (1.8V)

E18

165

SA10

SDRAM Bus Addr[10]

BD8TARP_TC

D19

166

SA12

SDRAM Bus Addr[120

BD8TARP_TC

C20

167

BA0

SDRAM Bus Bank Select Addr[0]

BD8TARP_TC

E17

168

nRAS

SDRAM Row Address Select_n

BD8TARP_TC

D18

169

DQM2

SDRAM Bus DQM[2]

BD8TARP_TC

C19

170

DQM1

SDRAM Bus DQM[1]

BD8TARP_TC

B20

171

BA1

SDRAM Bus Bank Select Addr[1]

BD8TARP_TC

C18

172

DQM0

SDRAM Bus DQM[0]

BD8TARP_TC

B19

173

DQM3

SDRAM Bus DQM[3]

BD8TARP_TC

A20

174

RREF

I/O

USB PHY Register Reference

ANA_FT

A19

175

VSSL

VSS for Deserialisation Flip flops

B18

176

VDDL

VDD for Deserialisation Flip flops
(1.8V)

B17

177

VSSB

VSS for buffers

C17

178

DMNS

I/O

USB2 DATA-

ANA_FT

D16

179

DPLS

I/O

USB2 DATA+

ANA_FT

A18

180

VDD3_USB

VDD for USB1.1 FS compliance
(3.3V)

A17

181

VSSC

VSS for DLL and Xor tree

C16

182

VDDC

VDD for DLL and Xor tree (1.8V)

B16

183

VDDB

VDD for buffers (1.8V)

A16

184

VDD_USB

VDD for USB Hard Macro (1.8V)

C15

185

UCLK

USB PLL Input Clock (12MHz)

TLCHT_TC

D14

186

VSS_PLL2

VSS for USB PLL

B15

187

VDD_PLL2

VSS for USB PLL (1.8V)

A15

188

SA11

SDRAM Bus Addr[11]

BD8TARP_TC

C14

189

SA6

SDRAM Bus Addr[6]

BD8TARP_TC

B14

190

SA5

SDRAM Bus Addr[5]

BD8TARP_TC

A14

191

SA8

SDRAM Bus Addr[8]

BD8TARP_TC

C13

192

SA3

SDRAM Bus Addr[3]

BD8TARP_TC

B13

193

SA2

SDRAM Bus Addr[2]

BD8TARP_TC

A13

194

SA4

SDRAM Bus Addr[4]

BD8TARP_TC

D12

195

SA0

SDRAM Bus Addr[0]

BD8TARP_TC

C12

196

SA1

SDRAM Bus Addr[1]

BD8TARP_TC

B12

197

CKE

SDRAM Clock Enable

BD8TARP_TC

A12

198

nWE

SDRAM Write Enable_n

BD8TARP_TC

B11

199

SD30

I/O

SDRAM Bus Data[30]

BD8TARP_TC

C11

200

SD31

I/O

SDRAM Bus Data[31]

BD8TARP_TC

A11

201

SD29

I/O

SDRAM Bus Data[29]

BD8TARP_TC

A10

202

SD25

I/O

SDRAM Bus Data[25]

BD8TARP_TC

B10

203

SD26

I/O

SDRAM Bus Data[26]

BD8TARP_TC

C10

204

SD27

I/O

SDRAM Bus Data[27]

BD8TARP_TC

D10

205

SD28

I/O

SDRAM Bus Data[28]

BD8TARP_TC

206

SD21

I/O

SDRAM Bus Data[21]

BD8TARP_TC

207

SD22

I/O

SDRAM Bus Data[22]

BD8TARP_TC

Samsung Electronics

3-7
- This Document can not be used without Samsung's authorization -

Circuit Description

Ball No

Pin No

Pin Name

I/O

Description

PAD

208

SD23

I/O

SDRAM Bus Data[23]

BD8TARP_TC

209

SD24

I/O

SDRAM Bus Data[24]

BD8TARP_TC

210

SD18

I/O

SDRAM Bus Data[18]

BD8TARP_TC

211

SDCLK0

SDRAM Clock Output0

BD8TARP_TC

212

SD20

I/O

SDRAM Bus Data[20]

BD8TARP_TC

213

SD14

I/O

SDRAM Bus Data[14]

BD8TARP_TC

214

SD19

I/O

SDRAM Bus Data[19]

BD8TARP_TC

215

SD11

I/O

SDRAM Bus Data[11]

BD8TARP_TC

216

SD16

I/O

SDRAM Bus Data[16]

BD8TARP_TC

217

SDCLK1

SDRAM Clock Output1

BD8TARP_TC

218

SD12

I/O

SDRAM Bus Data[12]

BD8TARP_TC

219

SD17

I/O

SDRAM Bus Data[17]

BD8TARP_TC

220

SD13

I/O

SDRAM Bus Data[13]

BD8TARP_TC

221

SD8

I/O

SDRAM Bus Data[8]

BD8TARP_TC

222

SD5

I/O

SDRAM Bus Data[5]

BD8TARP_TC

223

SD9

I/O

SDRAM Bus Data[9]

BD8TARP_TC

224

SD6

I/O

SDRAM Bus Data[6]

BD8TARP_TC

225

SD3

I/O

SDRAM Bus Data[3]

BD8TARP_TC

226

SD10

I/O

SDRAM Bus Data[10]

BD8TARP_TC

227

SD7

I/O

SDRAM Bus Data[7]

BD8TARP_TC

228

SD4

I/O

SDRAM Bus Data[4]

BD8TARP_TC

229

SD1

I/O

SDRAM Bus Data[1]

BD8TARP_TC

230

SD0

I/O

SDRAM Bus Data[0]

BD8TARP_TC

231

SD2

I/O

SDRAM Bus Data[2]

BD8TARP_TC

3-8

Samsung Electronics
- This Document can not be used without Samsung's authorization -

Circuit Description

2) RISC MICROCESSOR PIN & INTERFACE(CIP4)
No

Pin Name

I/O

Description

Pad Type

Current drive

GND2

NTEST

Vss Supply

vss2i

Nand Tree Test Mode Selection

pticd

Global Test Mode Selection

pticd

TEST1

Test Mode Selection 1

pticd

GND17

Vss Supply

vss3op

TEST2

Test Mode Selection 2

pticd

XDACK1

DMA Acknowledge Signal 1

ptis

XDREQ1

DMA Request Signal 1

phob4

4mA

VDD1

Vdd Supply

vdd2i

XDACK2

DMA Acknowledge Signal 2

ptis

XDREQ2

DMA Request Signal 2

phob4

4mA

XDACK3

DMA Acknowledge Signal 3

ptis

XDREQ3

DMA Request Signal 3

phob4

4mA

nRESET

Global Reset

ptis

CLK_OUT

PLL Clock Out

phob12

12mA

GND3

Vss Supply

vss2i

Clock Oscillation Input

phsoscm26

10~40MHz

XPOUT

Clock Oscillation Output

phsoscm26

10~40MHz

GNDD16

Vss Supply

vss2t_abb

FILTER*

PLL Filter Pump Out

poar50_abb

GND1

Vss Supply

vbb_abb

VDDA9,VDDD9

Vdd Supply

vdd2t_abb

GND24,GND33

Vss Supply

vss3t_abb

RTC_XO

RTC Clock Oscillation Output

poar50_abb

RTC_XI

RTC Clock Oscillation Input

piar50_abb

VDD8,VDD18

Vdd Supply

vdd3t_abb

IRQ

Interrupt Request Signal

phob4

4mA

nCS

CIP4 Chip Select

ptis

GND4

Vss Supply

vss2i

nRD

CIP4 CPU Read Control

ptis

nWR

CIP4 CPU Write Control

ptis

BA1

Bank Address Bus [1]

ptis

BA0

Bank Address Bus [0]

ptis

GND19

Vss Supply

vss3op

CPU Address Bus [5]

ptis

CPU Address Bus [4]

ptis

CPU Address Bus [3]

ptis

VDD2

Vdd Supply

vdd2i

CPU Address Bus [2]

ptis

CPU Address Bus [1]

ptis

CPU Address Bus [0]

ptis

GND5

Vss Supply

vss2i

D31

CPU Data Bus [31]

phbst8

8mA

Samsung Electronics

3-9
- This Document can not be used without Samsung's authorization -

Circuit Description

Pin Name

I/O

Description

Pad Type

Current drive

D30

CPU Data Bus [30]

phbst8

8mA

D29

CPU Data Bus [29]

phbst8

8mA

D28

CPU Data Bus [28]

phbst8

8mA

GND20

Vss Supply

vss3op

D27

CPU Data Bus [27]

phbst8

8mA

D26

CPU Data Bus [26]

phbst8

8mA

D25

CPU Data Bus [25]

phbst8

8mA

VDD11

Vdd Supply

vdd3op

D24

CPU Data Bus [24]

phbst8

8mA

D23

CPU Data Bus [23]

phbst8

8mA

D22

CPU Data Bus [22]

phbst8

8mA

D21

CPU Data Bus [21]

phbst8

8mA

GND6

Vss Supply

vss2i

D20

CPU Data Bus [20]

phbst8

8mA

D19

CPU Data Bus [19]

phbst8

8mA

D18

CPU Data Bus [18]

phbst8

8mA

GND21

Vss Supply

vss3op

D17

CPU Data Bus [17]

phbst8

8mA

D16

CPU Data Bus [16]

phbst8

8mA

D15

CPU Data Bus [15]

phbst8

8mA

D14

CPU Data Bus [14]

phbst8

8mA

VDD3

Vdd Supply

vdd2i

D13

CPU Data Bus [13]

phbst8

8mA

D12

CPU Data Bus [12]

phbst8

8mA

D11

CPU Data Bus [11]

phbst8

8mA

GND7

Vss Supply

vss2i

D10

CPU Data Bus [10]

phbst8

8mA

CPU Data Bus [9]

phbst8

8mA

CPU Data Bus [8]

phbst8

8mA

CPU Data Bus [7]

phbst8

8mA

GND22

Vss Supply

vss3op

CPU Data Bus [6]

phbst8

8mA

CPU Data Bus [5]

phbst8

8mA

CPU Data Bus [4]

phbst8

8mA

VDD12

Vdd Supply

vdd3op

CPU Data Bus [3]

phbst8

8mA

CPU Data Bus [2]

phbst8

8mA

CPU Data Bus [1]

phbst8

8mA

CPU Data Bus [0]

phbst8

8mA

GND8

Vss Supply

vss2i

TX_EN1

Motor Control Tx Enable 1

phob4

4mA

TX_EN2

Motor Control Tx Enable 2

phob4

4mA

TX_A

Motor Control Tx Channel A

phob4

4mA

TX_B

Motor Control Tx Channel B

phob4

4mA

GND23

Vss Supply

vss3op

3-10

Samsung Electronics
- This Document can not be used without Samsung's authorization -

Circuit Description

Pin Name

I/O

Description

Pad Type

Current drive

nTX_A

Motor Control Tx Channel A

phob4

4mA

nTX_B

Motor Control Tx Channel A

phob4

4mA

MOTOR_POL

Motor Polarity

ptis

4mA

VDD4

Vdd Supply

vdd2i

PItg1

CIS/CCD PItg1 Signal

phob8

8mA

PI1

CIS/CCD PI1 Signal

phob8

8mA

PI2

CIS/CCD PI2 Signal

phob8

8mA

GND9

Vss Supply

vss2i

PIrs

CIS/CCD PIrs Signal

phob8

8mA

PIcp

CIS/CCD PIsh Signal

phob8

8mA

ADC_CLK

AFE ADC Clock

phob8

8mA

100

VDD13

Vdd Supply

vdd3op

101

CDS2_CLK

AFE CDS2 Clock

phob8

8mA

102

SCLK1

AFE SIO Sync. Clock

phob8

8mA

103

SLOAD1

AFE SIO Read/Write Control Signal

phob8

8mA

104

VDD10

Vdd Supply

vdd3op

105

SDO1

AFE SIO Serial Output 1

phob8

8mA

106

SDIO1

AFE SIO Serial Inout/Output 1

phbst8

8mA

107

SDIO2

AFE SIO Serial Inout/Output 2

phbst8

8mA

108

GND10

Vss Supply

vss2i

109

AFE_D9

A/D Converted Data Bus [9]

ptis

110

AFE_D8

A/D Converted Data Bus [8]

ptis

111

AFE_D7

A/D Converted Data Bus [7]

ptis

112

AFE_D6

A/D Converted Data Bus [6]

ptis

113

VDD5

Vdd Supply

vdd2i

114

AFE_D5

A/D Converted Data Bus [5]

ptis

115

AFE_D4

A/D Converted Data Bus [4]

ptis

116

AFE_D3

A/D Converted Data Bus [3]

ptis

117

GND25

Vss Supply

vss3op

118

AFE_D2

A/D Converted Data Bus [2]

ptis

119

AFE_D1

A/D Converted Data Bus [1]

ptis

120

AFE_D0

A/D Converted Data Bus [0]

ptis

121

GND11

Vss Supply

vss2i

122

SRAM_A15

SRAM Address Bus [15]

phob8

8mA

123

SRAM_A14

SRAM Address Bus [14]

phob8

8mA

124

SRAM_A13

SRAM Address Bus [13]

phob8

8mA

125

SRAM_A12

SRAM Address Bus [12]

phob8

8mA

126

VDD14

Vdd Supply

vdd3op

127

SRAM_A11

SRAM Address Bus [11]

phob8

8mA

128

SRAM_A10

SRAM Address Bus [10]

phob8

8mA

129

SRAM_A9

SRAM Address Bus [9]

phob8

8mA

130

GND26

Vss Supply

vss3op

131

SRAM_A8

SRAM Address Bus [9]

phob8

8mA

132

SRAM_A7

SRAM Address Bus [9]

phob8

8mA

133

SRAM_A6

SRAM Address Bus [9]

phob8

8mA

Samsung Electronics

3-11
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Circuit Description

Pin Name

I/O

Description

Pad Type

Current drive

134

SRAM_A5

SRAM Address Bus [9]

phob8

8mA

135

GND12

Vss Supply

vss2i

136

SRAM_A4

SRAM Address Bus [9]

phob8

8mA

137

SRAM_A3

SRAM Address Bus [9]

phob8

8mA

138

SRAM_A2

SRAM Address Bus [9]

phob8

8mA

139

SRAM_A1

SRAM Address Bus [9]

phob8

8mA

140

VDD6

Vdd Supply

vdd2i

141

SRAM_A0

SRAM Address Bus [9]

phob8

8mA

142

SRAM_nWR

SRAM Write Enable Signal

phob8

8mA

143

SRAM_D15

SRAM Data Bus [15]

phbst8

8mA

144

SRAM_D14

SRAM Data Bus [14]

phbst8

8mA

145

GND27

Vss Supply

vss3op

146

SRAM_D13

SRAM Data Bus [13]

phbst8

8mA

147

SRAM_D12

SRAM Data Bus [12]

phbst8

8mA

148

SRAM_D11

SRAM Data Bus [11]

phbst8

8mA

149

GND13

Vss Supply

vss2i

150

SRAM_D10

SRAM Data Bus [10]

phbst8

8mA

151

SRAM_D9

SRAM Data Bus [9]

phbst8

8mA

152

SRAM_D8

SRAM Data Bus [8]

phbst8

8mA

153

SRAM_D7

SRAM Data Bus [7]

phbst8

8mA

154

VDD15

Vdd Supply

vdd3op

155

SRAM_D6

SRAM Data Bus [6]

phbst8

8mA

156

SRAM_D5

SRAM Data Bus [5]

phbst8

8mA

157

SRAM_D4

SRAM Data Bus [4]

phbst8

8mA

158

GND28

Vss Supply

vss3op

159

SRAM_D3

SRAM Data Bus [3]

phbst8

8mA

160

SRAM_D2

SRAM Data Bus [2]

phbst8

8mA

161

SRAM_D1

SRAM Data Bus [1]

phbst8

8mA

162

SRAM_D0

SRAM Data Bus [0]

phbst8

8mA

163

GND14

Vss Supply

vss2i

164

GPO7/PItg2

General Purpose Output [7]

phob8

8mA

165

GPO6/RLED

General Purpose Output [6]

phob8

8mA

166

GPO5/GLED

General Purpose Output [5]

phob8

8mA

167

GPO4/BLED

General Purpose Output [4]

phob8

8mA

168

VDD7

Vdd Supply

vdd2i

169

GPO3/PItg3

General Purpose Output [3]

phob8

8mA

170

GPO2/PIsh

General Purpose Output [2]

phob8

8mA

171

GPO1/
LEVEL_SHIFT

General Purpose Output [1]

phob8

8mA

172

GPO0

General Purpose Output [0]

phob8

8mA

173

GND29

Vss Supply

vss3op

8mA

174

GPIO2B/AFE_D11

General Purpose Input/Output 2 [11]

phbst8

8mA

175

GPIO2A/AFE_D10

General Purpose Input/Output 2 [10]

phbst8

176

GPIO29/AFE_D9

General Purpose Input/Output 2 [9]

phbst8

8mA

177

GND30

Vss Supply

vss3op

8mA

178

GPIO28/AFE_D8

General Purpose Input/Output 2 [8]

phbst8

8mA

3-12

Samsung Electronics
- This Document can not be used without Samsung's authorization -

Circuit Description

Pin Name

I/O

Description

Pad Type

Current drive

179

GPIO27/AFE_D7

General Purpose Input/Output 2 [7]

phbst8

8mA

180

GPIO26/AFE_D6

General Purpose Input/Output 2 [6]

phbst8

181

GPIO25/AFE_D5

General Purpose Input/Output 2 [5]

phbst8

8mA

182

VDD16

Vdd Supply

vdd3op

8mA

183

GPIO24/AFE_D4

General Purpose Input/Output 2 [4]

phbst8

8mA

184

GPIO23/AFE_D3

General Purpose Input/Output 2 [3]

phbst8

8mA

185

GPIO22/AFE_D2

General Purpose Input/Output 2 [2]

phbst8

8mA

186

GND15

Vss Supply

vss2i

8mA

187

GPIO21/AFE_D1

General Purpose Input/Output 2 [1]

phbst8

8mA

188

GPIO20/AFE_D0

General Purpose Input/Output 2 [0]

phbst8

8mA

189

GPIO1F/
SRAM_D15

General Purpose Input/Output 1 [15]

phbst8

8mA

190

GPIO1E/
SRAM_D14

General Purpose Input/Output 1 [14]

phbst8

191

GND31

Vss Supply

vss3op

8mA

192

GPIO1D/
SRAM_D13

General Purpose Input/Output 1 [13]

phbst8

8mA

193

GPIO1C/
SRAM_D12

General Purpose Input/Output 1 [12]

phbst8

194

GPIO1B/
SRAM_D11

General Purpose Input/Output 1 [11]

phbst8

4mA

195

GPIO1A/
SRAM_D10

General Purpose Input/Output 1 [10]

phbst8

196

VDD17

Vdd Supply

vdd3op

197

GPIO19/SRAM_D9

General Purpose Input/Output 1 [9]

phbst8

198

GPIO18/SRAM_D8

General Purpose Input/Output 1 [8]

phbst8

199

GPIO17/SRAM_D7

General Purpose Input/Output 1 [7]

phbst8

200

GND32

Vss Supply

vss3op

201

GPIO16/SRAM_D6

General Purpose Input/Output 1 [6]

phbst8

202

GPIO15/SRAM_D5

General Purpose Input/Output 1 [5

phbst8

203

GPIO14/SRAM_D4

General Purpose Input/Output 1 [4]

phbst8

204

GPIO13/SRAM_D3

General Purpose Input/Output 1 [3]

phbst8

205

GND18

Vss Supply

vss3op

206

GPIO12/SRAM_D2

General Purpose Input/Output 1 [2]

phbst8

207

GPIO11/SRAM_D1

General Purpose Input/Output 1 [1]

phbst8

208

GPIO10/SRAM_D0

General Purpose Input/Output 1 [0]

phbst8

Samsung Electronics

3-13
- This Document can not be used without Samsung's authorization -

Circuit Description

3-2-4 PROGRAM ROM (FLASH MEMORY) CONTROL
1) DEVICE
TYPE No.

AM29LV160DB

CAPACITY

4 MBYTE (1MB * 16BITS * 2)

2) PROGRAMMING
BEFORE ASS’Y

EPROM PROGRAMMER or PROGRAMMING at the factory

AFTER ASS’Y

DOWNLOAD from PC

3) OPERATING PRINCIPLE
When the RCSO(ROM CHIP SELECT)signal is activated from the CPU after the POWER is ON, it activates RD SIGNAL and reads the DATA(HIGH/LOW) stored in the FLASH MEMORY to control the overall system. The FLASH MEMORY may also write. When turning the power on, press and hold the key(power
switch) for 2 - 3 seconds, then the LED will scroll and the PROGRAM DOWNLOAD MODE will be activated.
In this mode, you can download the program through the parallel port.

AC CHARACTERISTICS
Read Status Data (last two cycles)

Program Command Sequence (last two cycles)
tAS
tWC

Addresses

555h

tAH

CE#

tCH

OE#
tWHWH1

tWP

WE#
tWPH

tCS

tDS

tDH
PD

A0h

Data

Status

DOUT

tBUSY

tRB

RY/BY#

tVCS

VCC

Notes:
1. PA = program address, PD = program data, DOUT is the true data at the program address.
2. Illustration shows device in word mode.

Figure 17.

Program Operation Timings

CE#
The falling edge of the last WE# signal
WE#

BYTE

tSET
(tAS)

tHOLD (tAH)

Note: Refer to the Erase/Program Operations table for tAS and tAH specifications.

Figure 16.

BYTE# Timings for Write Operations

3-14

Samsung Electronics
- This Document can not be used without Samsung's authorization -

Circuit Description

3-2-5 DRAM CONTROL
1) DEVICE
TYPE NO.

K4S

CAPACITY

16MBYTES (1M * 16BITS * 4Bank * 2)

2) OPERATING PRINCIPLE
DRAM can either read or write. The data can be stored in the DRAM only when the power is on. It stores
data white the CPU processes data. The address to read and write the data is specified by RAS SIGNAL
and CAS SIGNAL. DRAMWE*SIGNAL is activated when writing data and DRAMOE*SIGNAL, when reading. You can expand up to 64MBYTE of DRAM in this system.
Start Address ~ End Address

Contents

0x00000000 ~ 0x00FFFFFF

ROM Bank0

0x01000000 ~ 0x01FFFFFF

ROM Bank1

0x02000000 ~ 0x02FFFFFF

ROM Bank2

0x03000000 ~ 0x03FFFFFF

ROM Bank3

0x04000000 ~ 0x0FFFFFFF

Unused

0x10000000 ~ 0x1FFFFFFF

Special Function Registers

0x20000000 ~ 0x20FFFFFF

I/O Bank0

0x21000000 ~ 0x21FFFFFF

I/O Bank1

0x22000000 ~ 0x22FFFFFF

I/O Bank2

0x23000000 ~ 0x23FFFFFF

I/O Bank3

0x24000000 ~ 0x24FFFFFF

I/O Bank4

0x25000000 ~ 0x25FFFFFF

I/O Bank5

0x26000000 ~ 0x26FFFFFF

DMA I/O Bank0

0x27000000 ~ 0x27FFFFFF

DMA I/O Bank1

0x28000000 ~ 0x28FFFFFF

DMA I/O Bank2

0x29800000 ~ 0x29FFFFFF

DMA I/O Bank3

0x2A000000 ~ 0x2FFFFFFF

Unused

0x30000000 ~ 0x30FFFFFF

RSH SRAM

0x31000000 ~ 0x31FFFFFF

HPVC SRAM

0x32000000 ~ 0x32FFFFFF

MOTOR SRAM

0x33000000 ~ 0x37FFFFFF

Unused

0x38000000 ~ 0x38FFFFFF

USB CSR & FIFO

0x39000000 ~ 0x390003FF

USB PLUG DETECT

0x38000500 ~ 0x3FFFFFFF

Unused

0x40000000 ~ 0x4FFFFFFF

SDRAM array0 (bank 0)

0x50000000 ~ 0x5FFFFFFF

SDRAM array1 (bank 1)

0x60000000 ~ 0x6FFFFFFF

SDRAM array2 (bank 2)

0x70000000 ~ 0x7FFFFFFF

SDRAM array3 (bank 3)

0x80000000 ~ 0xBFFFFFFF

SDRAM array0~4 (Mirror)

0xC0000000 ~ 0xC00007FF

MAC

0xC0000800 ~ 0xC0FFFFFF

Unused

Samsung Electronics

3-15
- This Document can not be used without Samsung's authorization -

Circuit Description

3-2-5-1 SDRAM read timing
Basically the Extended Data Out DRAM is similar to Fast Page Mode DRAM. For FPM, the data are valid only
when the nCAS is active while reading the internal data, however, it has a latch that the data will be
continuously outputted even after the nCAS is inactivated.
While configuring the software, you must set the timing register of SFR considering the clock speed and the
DRAM spec.

CLOCK
HIGH

CKE
*Note 1

CS
RAS
*Note 2

CAS
ADDR

RAa

RBb

RAa

RBb

CAa

RCc

CBb

RDd

CCc

CDd

BA0

BA1

A10/AP

RCc

RDd

QAa0 QAa1 QAa2 QBb0

CL=2

QBb1 QBb2 QCc0 QCc1 QCc2 QDd0 QDd1 QDd2

DQ
CL=3

QAa0 QAa1 QAa2 QBb0

QBb1 QBb2 QCc0 QCc1 QCc2 QDd0 QDd1 QDd2

WE
DQM

Row Active
(A-Bank)

Read
(A-Bank)
Row Active
(B-Bank)

Read
(B-Bank)
Row Acive
(C-Bank)

Read
(C-Bank)

Read
(D-Bank)
Precharge
(C-Bank)

(D-Bank)
Precharge
(A-Bank)

Precharge
(D-Bank)

Precharge
(B-Bank)
: Don’t care

* Note : 1. CS can be don’t cared when RAS, CAS and WE are hih at the clock high going dege.
2. To interrupt a burst read by row precharge, both the read and the precharge banks must be the
same.

3-16

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Circuit Description

3-2-5-2 SDRAM write timing

CLOCK

HIGH

CKE
CS
RAS
CAS
ADDR

RAa

RBb CAa

CBb RCc

RDd CCc

CDd

BA0
BA1
*Note 2

A10/AP

RAa

RCc

RBb

RDd

DAa0 DAa1 DAa2 DAa3 DBb0 DBb1 DBb2 DBb3 DCc0 DCc1 DDd0 DDd1 DDd2

tCDL

tRDL

WE
*Note 1

DQM

Row Active
(A-Bank)

Write
(A-Bank)
Row Active
(B-Bank)

Write
(B-Bank)
Row Active
(C-Bank)

Row Active
(D-Bank)

Write
(D-Bank)

Precharge
(All Banks)

Write
(C-Bank)
: Don't care

*Note : 1. To interrupt burst write by Row precharge, DQM should be asserted to mask invalid input data.
2. To interrupt burst wrige by Row precharge, both the write and the prechargebanks must be the
same.

Samsung Electronics

3-17
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Circuit Description

3-2-6 FS781 (FREQUENCY ATTENUATOR)
This system used FS741 for the main clock for EMI SUPPRESSION.
It spreads the source clock in a consistent bandwidth to disperse the energy gathered in order to attenuate
the energy.
The capacitor value of the loop filter(PIN 4) is set depending on the source clock used or the spread bandwidth. Refer to FS781 Spec. for detail.

3-2-7 USB (Universal Serial Bus)
NS’s USBN9602 is used as the interface IC and 48MHz clock is used.
When the data is received through the USB port, EIRQ1 SIGNAL is activated to send interrupt to CPU,
then it directly sends the data to DRAM by IOCS4*&DRAMA(11) SIGNAL through DRAMD (24;31).

3-2-8 SRAM : 1MByte SRAM K6F1008U2C
It stores a variety of option data.

3-2-9 FAX Transceiver
3-2-9-1. GENERAL
This circuit processes transmission signals of modem and between LIU and modem.

3-2-9-2. modem (u44)
FM336 is a single ship fax modem. It has functions of DTMF detection and DTMF signal production as well as
functioins of modem. TX A1, 2 is transmission output port and RX IN is received data input port. / POR signal
controlled by MFP controller (U3:ARM946ES) can initialize modem (/M_RST) without turning off the system.
D0-D7 are 8-bit data buses. RS0-RS4 signals to select the register in modem chips. /RS and /WR signals control READ and WRITE respectively. /IRQ is a signal for modem interrupt.
Transmission speed of FM336 is supported up to 33.6k.
The modem is connected to LINE through transformer directly.

< FAX TRANSCEIVER >

3-18

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Circuit Description

3-3 Scanner
3-3-1 SUMMARY
This flat-bed type device to read manuscripts has 600dpi CCD as an image sensor. There is one optical sensor for detecting CCD home position and Scan-end position. The home position is detected by a optical sensor which is attached to the CCD Module. The Scan-end position is calculated by numer of motor step.

CCD
Charge Coupled Device improves productivity and allows a compact design.
This machine uses a color CCD.
• Minimum Scan Line Time for One Color : 2.5mSec
• Light Source Power : +18V
• Maximum Pixel frequency : 10MHz
• Effective Sensor Element : 5340 X 3
• Clamp Level : 0.7~ 0.8V
• Bright Output : MIN 0.8V

AIN

PI_TG
AD C_REF T
ADC _REFB

12-bit

PI1

EXT SRAM

PI2

Sen so r

Shadi ng

Interface

Acqu isitio n

A/ D converter
AFE_CIP4
Vertical
D ecim ation

Shadi ng
C orrectio n
SRAM
1 024 x 8
( R/G/ B)

SRAM_A[ 15:0]
SRAM_D[ 15: 0]
SRAM_nRD
SRAM_nWR

Gam ma
C orrectio n

SRAM
8 192 x 8
( 2l ine)

Imag e

SRAM

Processing

256 x 8

Enlarge men t

Mo dule

/ Redu ction

SRAM
4 09 6 x16

(2 line )
IRQ

Vp eak
Contro l

Interrupt
Contro l

Mo to r
Con tro l

TX_A, B
n TX_A, B
TX_EN1, EN2

D MA

n CS

CPU I/F

CIP4

Mod ule

n RD

n WR

A [ 5 : 0]

D [ 15 : 0]

Interface

SRAM
1 024 x 8

n XDREQ

n XDACK

Samsung Electronics

3-19
- This Document can not be used without Samsung's authorization -

Circuit Description

3-3-2 Key Features
Overview
(1) 0.5µm C-MOS process(TLM), 208-PIN QFP, STD85 library
(2) Frequency : Max PLL 80 MHz
(3) On-Chip oscillator
(4) Method : Raster scanning method
(5) Image Sauce : 300/400/600dpi CIS & CCD
(6) Scanning Mode
• color gray image: each 8 bits / RGB
• mono gray image: 8 bits / pixel
• binary image: 1 bit / pixel (for text/phoot/mixed mode)
(7) Maximum scanning width : A3, 600dpi (8K effective pixels)
(8) Ideal MSLT (A4, 600/300dpi)
• color gray image: 3x5Kx80nsec = 1.2msec (7/28 CPM)
• mono gray image: 1x5Kx80nsec = 0.4msec (21/84 CPM)
• binary image: 1x5Kx80nsec = 0.4msec (21/84 CPM)
(9) A/D conversion depth : 12bits

Pixel processing structure
• Minimum pixel processing time : 4 system clocks
• High speed pipelined processing method
(Shading correction, Gamma correction, Enlargement/Reducement, and Binarization)

Shading Correction
(1) White shading correction support for each R/G/B
(2) White shading data memory : 3x8Kx12bits = 288Kbits
(3) Black shading data memory : 3x8Kx12bits = 288Kbits

384Kbits (external)
384Kbits (external)

Gamma Correction
(1) Independent Gamma table for each RGB component
(2) Gamma table data memory : 3x1Kx8bits = 24Kbits (internal)

Binarization (mono)
(1) 256 Gray’s halftone representation for Photo document : 3x5 EDF(Error DifFusion) method proposed by
Stucki.
(2) LAT(Local Adaptive Thresholding) for Text document :
• use of 5x5 LOCAL WINDOW (TIP ALGORITHM)
• ABC(Automatic Background Control) :Tmin Automatic change
(3) Mixed mode processing for text/photo mixed document
(4) EDF data memory : 2x4Kx16bits = 128Kbits (internal)
(5) LAT data memory : 4x4Kx16bits = 256Kbits (external)

Scaling of input image
(1) Scaling factor
• Horizontal direction: 25 ~ 800% by 1% unit
• Vertical direction: 25 ~ 100% by 1% unit
(2) Scaling data memory : 2x8Kx8bits = 128Kbits (internal)

3-20

Samsung Electronics
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Circuit Description

Intelligent scan motor controlloer
(1) Automatic acceleration/deceleration/uniform velocity
(2) Data memory : 256x16bits = 4Kbits (internal)

Auto-Run
Automatic CLK_LINE (line processing start control) and •’TG (line scan start control) signal generation|
(1)Available resynchronization of øTG signal
(2) programmable øTG’s period & CLK_LINE’s occurrence number

Processed data output format in DTM(Data Transfer Module)
(1)DMA mode : Burst/On-demand mode
(2) CDIP I/F : LINE_SYNC, PIXEL_SYSNC, PIXEL_DATA[7:0]

36 General Purpose Input/Output : 8(GPO), 28(GPIO)
Black/White reversion, and Image Mirroring support

ADD R BU S

DATA MEMORY

DMA Controller

DATA BUS

CLK_LINE

Scan/Motor
Driver

T
R
D
M
A

Image

A
C
K

R
E
Q

Processor

IW IN

SRAM

CLK_PIX
L IN E_PERIO D

CPU
SPGPm

1M bit

(SPGPm)

ADC _CLK
CD S2 _CLK
AFE Co ntro l

AFE
12b it ADC

Sig na l

12 b it (R/ G/ B)
ADD R- BUS

ADDR- BUS

Ana lo g Si gn al
PI_TG
PI1 , PI2

DAT A- BUS

Tx_A, Tx_B,

DAT A- BUS

Scanner

n Tx_A, nTx_B

CIP4

D OCU MENT IMAGE

Samsung Electronics

3-21
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Circuit Description

AIN

PI_TG
ADC_REFT
ADC_REFB

12-bit

PI1

EXT SRAM

PI2

Sen so r

Shadi ng

Interface

Acqu isitio n

A/ D converter
AFE_CIP4
Vertical
Decimation

Shadi ng
Correctio n
SRAM
1 024 x 8
( R/G/ B)

SRAM_A[ 15:0]
SRAM_D[ 15: 0]
SRAM_nRD
SRAM_nWR

Gam ma
Correctio n

SRAM
8 192 x8
( 2l ine)

Imag e

SRAM

Processing

256 x 8

Enlarge men t

Mo dule

/ Redu ction

SRAM
4096 x16

(2 line )
IRQ

Interrupt
Contro l

Vp eak
Contro l

Mo to r
Con tro l

TX_A, B
nTX_A, B
TX_EN1, EN2

DMA

nCS

CPU I/F

CIP4

Mod ule

nRD nWR

A [5:0]

Interface

SRAM
1 024 x 8

D [15:0]

nXDREQ

nXDACK

3-22

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Circuit Description

3-4 HOST INTERFACE:
Referred to IEEE 1284 standard.

3-4-1. Host Interface
PARALLEL PORT INTERFACE PART ARM946ES has the Parallel Port Interface Part that enables Parallel
Interface with PC. This part is connected to PC through Centronics connector. It generates major control
signals that are used to actuate parallel communication. It is comprised of/ERROR, PE, BUSY, /ACK,
SLCT, /INIT, /SLCTIN, /AUTOFD and /STB. This part and the PC data transmission method support the
method specified in IEEE P1283 Parallel Port Standard (http://www.fapo.com/ieee1284.html). In other
words, it supports both compatibility mode (basic print data transmitting method), the nibble mode
(4bit data; supports data uploading to PC) and ECP (enhanced capabilities port: 8bits data - high speed
two-way data transmission with PC). Compatibility mode is generally referred to as the Centronics mode
and this is the protocol used by most PC to transmit data to the printer. ECP mode is an improved protocol for the communication between PC and peripherals such as printer and scanner, and it provides
high speed two-way data communication. ECP mode provides two cycles in the two-way data transmission; data cycle and command cycle. The command cycle has two formats; Run-Length Count and Channel Addressing. RLE (Run-Length Count) has high compression rate (64x) and it allows real-time data
compression that it is useful for the printer and scanner that need to transmit large raster image that has a
series of same data. Channel Addressing was designed to address multiple devices with single structure. For example, like this system, when the fax/printer/scanner have one structure, the parallel port can be
used for other purposes while the printer image is being processed.This system uses RLE for high speed
data transmission. PC control signals and data send/receive tasks such as PC data printing, high speed
uploading of scanned data to PC, upload/download of the fax data to send or receive and monitoring the system control signal and overall system from PC are all processed through this part.

PPD( 7: 0)

DATA

BUSY

nSTROBE

nACK

Samsung Electronics

3-23
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Circuit Description

nSTROBE

BUSY

PPD( 7: 0)

BYTE0

nAUTOFD

DATA BYTE

BYTE1

COMMAND BYTE

1. The host places data on the data lines and indicates a data cycle by setting nAUTOFD
2. Host asserts nSTROBE low to indicate valid data
3. Peripheral acknowledhes host by setting BUSY high
4. Host sets nSTROBE high. This is the edge that should be used to clock the data into the Peripheral
5. Peripheral sets BUSY low to indicate that it is ready for the next byte
6. The cycle repeats, but this time it is a command cycle because nAUTOFD is low

1 2

5 6

nACK

nAUTOFD

PPD( 7: 0)

BUSY

BYTE1

BYTE0

DATA BYTE

COMMAND BYTE

nINI T

cs
A0
RD
VVR

D[7:0]

input

out

vvrte Address

Read Data

out

Burst Read Data

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Circuit Description

3-5 Engine Controller
3-5-1. Fuser Control / Thermistor Circuit
This circuit controls the heat lamp temperature to fix the transferred toner on the paper. It is comprised of the
thermistor that has the negative resistance against the temperature and LM393 (voltage comparator) and
transistor for switching.
The thermistor has the resistance value reverse proportional to the heat lamp surface temperature. The voltage value is read by #60 pin(AVIN2) of CPU refering to the parallel combined resistance with the resistor(R43) connected parallel to it and the voltage distribution of R29. The voltage read activates (inactivates)
‘fuser’ signal to high (or low) referring to the set temperature and when the ‘fuseron’ signal turns down(high)
to low(high) by Q3 switching, the S21ME4 inside SMPS (PC3) turns on(off) and this eventually turns two-way
thyristor(SY1) on(off) to allow(shut) AC voltage to the heat lamp.
LM393 is a H/W designed to protect the system when the software heat lamp control does not run normal.
When the thermistor temperature goes up to 210°C, #1 pin’s level (LM393) will turn low to turn the ‘fuseron’
signal to high. (forcefully shuts off Q3)In other words LM393 shuts off the heat lamp forcefully.

3-5-2. Paper Sensing Circuit
1) Cover Open Sensing
Cover Open Sensor is located on the right rear side of the printer. In case the right cover is open, it
shuts +5V (LSU laser unit) and +24V(main motor, polygon motor of fixer LSU and HVPS) that are
supplied to each unit. It detects the cover opening through CPU. In this case, the red LED of the
OP Panel LED will turn on.
2) Paper Empty Sensing
The paper empty sensor (photo interruptor), located inside bottom of the bin cassette detects paper
with the actuator connected to it and informs the CPU of whether there is paper. When there is no
paper in the cassette, the red LED of the OP panel LED will turn on to tell the user to fill the cassette
with papers.
3) Paper Feeding When the paper is fed into the set and passes through the actuator of the feed sensor
unit, transistor inside the photo interrupter will turn on, ‘nFEED’ signal will turn low and inform CPU that
the paper is currently fed into the system. CPU detects this signal and sprays video data after certain
time (related to paper adjustment). If the paper does not hit the feed sensor within certain time, CPU
detects this and informs as “Paper Jam0” (red LED on the OP panel will turn on).
4) Paper Exit Sensing
The system detects the paper going out of the set with the exit sensor assembled to the actuator
attached to the frame. If CPU does not turn back high a while after the paper hits the exit sensor, CPU
detects this and inform as “Paper Jam2” (red LEDs on the OP panel will turn on).

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Circuit Description

3-5-3. LSU Circuit
1) Polygon Motor Unit (actuated by +24V)
The polygon motor inside LSU rotates by the ‘PMOTOR’ signal. When it reaches the motor constant
velocity section through the initial transient (transient response) section, it sends the ‘nLREADY’ signal
to the CPU.
The ‘clock’ pin is the pin that receives clock of the required frequency when LSU uses external CLK as
the motor rotational frequency. Currently the external clock circuit is located in the HVPS and 1686Hz
= 6.9083MHz (crystal frequency)÷212(74HC4060N IC), is used as the rotational frequency of the
polygon motor.
2) Laser Unit (actuated by +5V)
After laser is turned on by ‘nLD_ON’ signal, it is reflected by 6 mirrors (polygon mirror) attached to
the polygon motor and performs scan in horizontal way.When the laser beam hits the corner of the
polygon mirror, it generates ‘nHSYNC’ signal (pulse) and the CPU forms the left margin of the image
using this signal (horizontal synchronous signal).

3-5-4. Fan/Solenoid Actuation Circuit
The fan actuation circuit its power using NPN TR. When it receives ‘FAN’ signal from the CPU. The TR will turn
on to make the voltage supplied to the fan to 24V in order to actuate the fan.
The solenoid is actuated in the same way. When it receives control signal from the CPU, the solenoid for
paper feeding is actuated by switching circuit.
D29(1N4003) diode is applied to the both ends of the output terminal to protect Q22(KSC1008-Y) from
noise pulse induced while the solenoid is de-energized.

3-5-5. PTL Actuation Circuit
PTL actuation circuit switches its power using NPN TR.

3-5-6. Motor Actuation Circuit
Motor actuation circuit is determined while selecting the initial driver IC (provided by the vendor). This system uses TEA3718(U57, U58), A2918(U59)’s motor driver IC. However, the sensing resistance (R273, R274,
R292, R293) and reference resistance (R284, R289, R294, R295) can vary depending on the motor actuation current value.
It receives motor enable signal (2 phase) from CPU and generates bipolar pulse (constant-current) and
sends its output to stepping motor input.

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Circuit Description

3-5-7. High Voltage Power Supply
3-5-7-1. Summary
It is the high voltage power supply that has DC+24V/DC+5V (used for the image forming device in OA digital picture developing method) as the rated inputs. It supplies electrifying voltage (MHV), supply voltage
(SUPPLY), developing voltage (DEV), blade voltage(BLADE) and transferring voltage (THV).
Each high voltage supply shows the voltage required in each digital picture process.

3-5-7-2. Digital Picture Process
Digital picture developing method is widely used by copy machine, laser beam printer and fax paper.
The process is comprised of electrification, exposure, develop, transfer and fixing.

LSU
MHV

BLADE
SUPPLY
DEV

SUPPLY ROLLER

DEVELOPER ROLLER
HEAT ROLLER
DIRECTION OF PAPER

ELECTRIFICATION
ROLLER

THV
PRESSURE ROLLER

TRANSFER ROLLER

First, in the electrification process, retain constant charge at approx. -900V for the electric potential on the
OPC surface by electrifying OPC drum at approx. -1.4KV through the electrification roller.
The electrified surface of OPC is exposed responding to the video data by the LSU that received print command due to rotation. The unexposed non-video section will retain the original electric potential of -900V, but
the electric potential of the image area exposed by LSU will be approx. -180V that it will form the electrostatic latent image. The surface of the photo-conductive drum where the electrostatic latent image is
formed reaches the developer as the drum rotates. Then the electrostatic latent image formed on the OPC
drum is developed by the toner supplied to the developing roller by supplying roller and it is transformed into
visible image. It is the process to change the afterimage on the OPC drum surface formed by LSU into visible image by the toner particles.
While the supply roller energized with -450V by HVPS and the developer roller energized with -300V
rotate in the same direction, it keeps the toner particles between two rollers supplied to OPC drum in negative state by the friction between two rollers.
The toner supplied to the developer roller is biased to bias electric potential by the developer roller and
transferred to the developing area. After (-) toner is attached to the developer roller, it will move to the exposed
high electric potential surface (-180V) rather than to the unexposed low electric potential surface (-900V) of
the developer roller and OPC drum. Eventually the toner will not settle in the low electric potential surface to
form the visible image.
Later, the OPC drum continues to rotate and reaches to transfer location in order to accomplish the transfer
process.
This process transfers the (-)toner on the transfer roller to the printing paper by the transfer roller. The ()toner attached to the OPC drum will be energized to hundreds to thousands of the (+)transfer voltage by
HVPS. The (+)electrostatic force of the transfer roller generated has higher adhesiveness than the (-)toner
OPC drum and thus it moves to the surface of the paper passing through the transfer roller.
The toner transferred to the paper with weak electrostatic force is fixed to the paper by the pressure and heat
of the fixer composed of pressure roller and heat roller.
The toner attached to the paper is melted by applying the heat (approx. 180°C) from the heat roller and the
pressure (approx. 4kg) from the pressure roller. After the fixing process, the paper is sent out of the set to
finish the printing process.

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Circuit Description

3-5-7-3. Organization of the Device
HVPS is comprised of electrification output unit, bias output unit and transfer output unit.
1) Input Unit
2) Electrification Output (Enable) Unit: MHV (Main High Voltage)
3) Bias Output (Enable) Unit: DEV (Development Voltage)/Supply(Supply Voltage)/BLADE(Blade Voltage)
4) Transfer ‘+’ Output (Enable) Unit: THV(+)(Transfer High Voltage(+))
5) Transfer ‘-’ Output (Enable) Unit: THV(-)(Transfer High Voltage(-))
6) Switching Unit
7) Feedback Unit
8) Regulation Unit
9) Output Unit

SWITCHING
CONTROL UNIT

TRANS

REGULATION
CIRCUIT

OUTPUT
CIRCUIT

MHV

MHV-PWM

THVPWM
PWM
CONTROL UNIT

SWITCHING
CONTROL UNIT

REGULATION
CIRCUIT

TRANS

THV

FE E DBACK

THVEA

SWITCHING
CONTROL UNIT

TRANS

REGULATION
CIRCUIT

THVREAD
THV
ENVIRONMENT
RECOGNITION
CIRCUIT

FEED BACK

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Circuit Description

MHV-PWM
PWM
CONTROL UNIT

SWITCHING
CONTROL UNIT

TRANS

MHV

REGULATION
CIRCUIT

OPC

FEEDBACK

BIAS-PWM
BLADE
PWM
CONTROL UNIT

SWITCHING
CONTROL UNIT

TRANS

REGULATION
CIRCUIT

SUPPLY
FEEDBACK

DEV

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Circuit Description

3-5-7-4 MHV (Electrification Output Enable)
Electrification Output Enable is the electrification output control signal 'PWM-LOW ACTIVE'.
When MHV-PWM LOW signal is received, Q401 turns on and the steady voltage will be accepted to the noninverting terminal of OP-AMP 324. As the voltage higher than the inverting reference voltage of OP-AMP,
which is set to R405 and R406, OP-AMP output turns high. This output sends IB to the TRANS auxiliary
wire through current-restricting resistance Q402 via R408 and C403 and Q402 turns on. When the current
is accepted to Q402, Ic increases to the current proportional to time through the T401 primary coil, and when
it reaches the Hfe limit of Q402, it will not retain the "on" state, but will turn to "off". As Q402 turns 'off',
TRANS N1 will have counter-electromotive force, discharge energy to the secondary unit, sends current to
the load and outputs MHV voltage through the high voltage output enable, which is comprised of Regulation– circuit.
T401
24VS

MHV OUTPUT
C404
3K/471

18V

C406
3K/471

D402
4KV
U103 7407

MHV-PWM

Q402
D526

R405 220K

Q401 A708

24VS

R416
15M

R412 2.2K

R413
12M
OPC

R403 130K

R408
47K

ZD401
150V

R404
27K

R402
82K

KA324
C403
333

C407
104

R411 2K

R417
15M

R409
390

R406
2.2K

3-5-7-5 BIAS (supply/dev/blade output unit)
BIAS (Electrification Output Enable)Electrification Output Enable is the electrification output control signal
‘PWM-LOW ACTIVE’.When BIAS-PWM LOW signal is received, Q501 turns on and the steady voltage will
be accepted to the non-inverting terminal of OP-AMP 324. As the voltage higher than the inverting reference
voltage of OP-AMP, which is set to R506 and R507, OP-AMP output turns high. This output sends IB to
the TRANS auxiliary wire through current-restricting resistance Q502 via R509 and C504 and Q502 turns
on. When the current is accepted to Q502, Ic increases to the current proportional to time through the T201
primary coil, and when it reaches the Hfe limit of Q502, it will not retain the “on” state, but will turn to “off”.
As Q502 turns ‘off’, TRANS N1 will have counter-electromotive force, discharge energy to the secondary
unit, sends current to the load and outputs DEV voltage through the high voltage output enable, which is
comprised of Regulation-circuit.
24VS
T201
KAB-007

D502
4KV

R514
MGR1/2W 50K

BLADE

R520
26K
BIAS-PWM
CON03-#24

R501
100

R506
86.6KF

Q501
A708-Y

C503
104

R508
47K

_
U1

R502
2K

C501
R504
56.6KF 104
C502
222

Q502
D526-Y

U103-A R519
7407
2.2K
R503
100KF

R507
12KF

+
U101-B
KA324

C505
2KV 680

C506
3KV 471

ZD501
100V

SUPPLY

ZD501
100V

R509
47K

R515
MGR1/2W 50K

R510
430
C504
333

R511
1W 3

3-32

R512
MGR1/2W 12MF

DEV
R516
MGR1/2W 50K

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Circuit Description

3-5-7-6. THV(THV(+)/THV(-) Output Unit)
Transfer(+) output unit is the transfer output control signal 'PWM-LOW ACTIVE'.
When THV-PWM LOW signal is received, Q203 turns on and the steady voltage will be accepted to the noninverting terminal of OP-AMP 324. As the voltage is higher than the inverting reference voltage of OP-AMP,
OP-AMP output turns high.
The 24V power adjusts the electric potential to ZD201 and ZD202, sends IB to TRANS auxiliary wire
through current-restricting resistance R215 via R212 and C204, and eventually Q204 will turn on. When
the current is accepted to Q402, Ic increases to the current proportional to time through the T201 primary coil,
and when it reaches the Hfe limit of Q204, it will not retain the "on" state, but will turn to "off". As Q402 turns
'off', TRANS N1 will have counter-electromotive force, discharge energy to the secondary coil, sends current to the load and outputs THV voltage through the high voltage output enable, which is comprised of
Regulation– circuit. The output voltage is determined by the DUTY width. Q203 switches with PWM DUTY
cycle to fluctuate the output by fluctuating the OP-AMP non-inverting end VREF electric potential, and the
maximum is output at 0% and the minimum, at 100%.Transfer(-) output unit is THV-EA 'L' enable.
When THV-EA is 'L', Q302 turns on and the VCE electric potential of Q302 will be formed and sends IB to
TRANS auxiliary wire through R311, C305 and VR302 via current-restricting resistance R314, and eventually Q303 will turn on. When the current is accepted to Q303, Q303's Ic increases to the current proportional
to time through the T301 primary coil, and when it reaches the Hfe limit of Q303, it will not retain the "on" state,
but will turn to "off". As Q303 turns 'off', TRANS N1 will have counter-electromotive force, discharge
energy to the secondary coil, send current to load and output THV(-) voltage through the high voltage output
enable, which is comprised of Regulation– circuit.

5V
18V

24VS

R201
10K
#7

TEV-PWM

T201
KAB-007

1
R206
100

R205
1.8K

D201
1N4148
5 +

24VS

VR201
50K

R209
100KF

R207
2K

6
C201
103

C202
121

R210
845KF

D202
1N4148

R211
1MF

R213
2.2K

Q204
D526

11 KA324

C203
472

D203
1N4148

ZD201 ZD202
5.65V 705V

C204
333Z

R214
2.2K

D207
6KV

C207
3KV470pF

R215
390

D206
6KV
C209
6KV

D205
6KV

R218
MGR1/2W100KF

R216
SBR306

R212
680K

#19

D204
6KV

+ C101
35V47UF

#17

C208
6KV

C205
2KV68pF

R208
30K

Q203
A708Y

C206
6KV470pF

R217
SBR207

18V

D301
1N4148

R312
1W56

R309
202K
#5

TEV-EA

6
7

U2
7407

24VS

KAB-006
T301

Q301
A708Y

R307
33K

1
R313
1W56

C306
2KV68pF

18V
D-GND

C4
103

#24

TEV-READ

R310
2.2K
R308
33K

+ 10
U1
_

KA324

R301
470K

R302
33K

R303
100KF
C302
102

R304
389KF
D302
1N4148

C303
103

R306
26.1KF

C307
3KW470pF

Q303
D526

D304
4KV

D303
4KV

C308
3KV470pF

R315
SBR306

Q302
A708Y
VR302
2K
R311
100KF

C305
333Z

4
R314
1.7K

R305
10KF

VR301
5K

C304
500V103Z

C301
222

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Circuit Description

3-5-7-7. Environment Recognition
THV voltage recognizes changes in transfer roller environment and allows the voltage suitable for the environment in order to realize optimum image output. The analog input is converted to digital output by the
comparator that recognizes the environmental changes of the transfer roller. It is to allow the right transfer
voltage to perform appropriate environmental response considering the environment and the type of paper
depending on this digital output by the programs that can be input to the engine controller ROM.
This environment recognition setting is organized as follows: First, set the THV(+) standard voltage.
Allow 200MΩ load to transfer output, enable output and set the standard voltage 800V using VR201.
Then set 56 (CPU's recognition index value) as the standard using VR302.
This standard value with CPU makes sure that the current feedback is 4µA when output voltage is 800V and
load is 200MΩ.
If the load shows different resistance value when 800V is output, the current feedback will also be different
and thus the index value will also be different. according to the index value read by CPU, the transfer voltage
output will differ according to the preset transfer table.
The changes in transfer output required by each load is controlled by PWM-DUTY.

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Circuit Description

3-6 OPE PBA
3-6-1 SUMMARY
OPE Board is separated functionally from the main board and operated by the micom(HT48R50) in the board.
OPE and the main use UART (universal asynchronous receiver/transmitter) channel to
exchange information. OPE reset can be controlled by the main. OPE micom controls key-scanning and LCD
and LED display. If there occurs an event in OPE (such as key touch), it sends specific codes to the main to
respond to the situation and the main analyzes these codes and operates the system. For example, it the
main is to display messages in OPE, the main transmits data through UART line to OPE according to the
designated format and OPE displays this on LCD, LED. OPE’s sensing is also transmitted to the main through
UART line and then the main drives necessary operation.
OPE PBA consists of U1(MICOM, HT48R50),LCD, key matrix, LED indicators. Refer to OPE Schematic
Diagram and Wiring Diagram sections of this manual.
• Signals from the key matrix are delivered to U1 input pin group (D1~D6)
• U1 pin 48 (TX DATA) is the UART code sent to MAIN PBA.
• Display from the controller is received at U1 pin 5(RX DATA).
• LCD drive signals are sent from U1 P2-x pin group, P3-4~P3-6 pins.
• Machine status LED drive signals are sent from U1 LED0~LED7.

RESONATOR
7.37 MHz

UART
Connector

Reset

MICOM
HT48R50

LCD
16 2line

7
X
Y

Key Matrix

LEDs

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Circuit Description

3-7 LIU PBA
3-7-1. SUMMARY
LIU WIRE CONNECTS Main B’D’s MODEM AND LINE PARTS, AND IMPEDANCE MATCHING (AC, DC),
RING DETECTION PART and LINE SEIZURE (DIALER).

3-7-2. DC MATCHING PART
Normal movement range of LIU is 12mA ~ 9mA.
Adapting CTR21 standard, the regulation limits to 60mA CURRENT flow through the terminal.
Therefore, select (*:for EU PIT) Option to connect necessary items then the current through LIU will not
exceed 60mA.
• CTR21 Standard(Europe) : 12mA~60mA
• OTHER Standard (U.S.) : 12mA~90mA
DC has a character to pass through the LINE. And with Q1 (VN2410) GATE section’s LINE INPUT corrent
and Q1 Source connection to R20, can be decided as follows :
• -VDCR = VL1 + ILINE X R20
(VDCR : Tip-Ring CD Voltage, ILINE :
Current flow)VL1:Line Input Voltage, VL1=VBD1+VCE(Q2)+VDS(Q1)

3-7-3. AC MATCHING PART
Basic LIU’s AC IMPEDANCE is 600 and uses R47. 48. C36 to possibly control combined IMPEDANCE.
• U.S. Usage : A terminal IMPEDANCE Æ 600W(±30%)
• CTR21 : A Terminal IMPEDANCE Æ 270+750W//150nF

3-7-4. DIALER PART
*MF DIAL
DTMF Dialing is controlled by MODEM and should be selected by appropriate LEVEL and On-off Time output
based on each countries’ own National specification.
• Freq. Tolerance : ±1.5%
High Group : 1209, 1336, 1477, 1633Hz
Low Group : 697, 770, 852, 941 Hz
U.S. Usage

CTR21

High Freq Level

-9.0+2.0/-2.5

-7.0 +1.0/-2.0

Low Freq Level

-9.0+1.0/-2.0

-11.0+2.5/-2.0

*DP DIAL
Controls from MAIN through / DP-Terminal.
for U.S.Usage, set time to DF signal of 40:60 M/B. DP signal is made of U6 (pcb817). The DC current which
flows thru Q2 Base is regulated by On/Off switch and turns to DP dial signal with a COUPLER.
• CTR 21 does not have telephone capability but has the number 3 and 4 Line Connection. No DP condition
but possibility to get approval only on DTMF Dial based terminal.

3-7-5. RING DETECTION PART
RING SIGNALS from the LINE section (TIP, RING)are further passed through C5, R3, ZD1, and ZD2 and
ends up at U9, (PC 814). U9 then detects above RING SIGNAL and passes the output to MAIN B’D. The wilre
diagram’s C5 is RINGER CAPACITOR and it normally uses 1UF/250V.
A R3 limits AC current and controls upper and lower REN meter.
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Circuit Description

3-8 SMPS (Switching Mode Power Supply) Unit.
3-8-1 SMPS Specifications
The SMPS (Switching Mode Power Supply) Unit used here is a PWM (Pulse Width Modulation) type power
supply unit that supplies DC+5V to controller and control panel, and DC+5V, DC+24V and DC+12V to the
engine. It also supplies AC power to fixer heat lamp.
No.

Output Channel

Ch.1

Ch.2

Ch.3

Channel Name

+5.1V

+24.0V

+12.0V

Rated Output Voltage

+5.1V

+24.0V

+12.0V

Rate Output Current

2.5A

0.8A

Maximum Load Current
and Load Pattern

2.5A Continued

3.0A Continued

0.8A Continued

Load Change Range

0.5~2.0A

0.1~0.3A

0.1~0.8A

Rate output voltage
(For rated I/O)

+5.1V±5%
(+4.84~+5.35V)

+24.0V±10%
(+21.60~+26.40V)

+12V±5%
(+11.40~+12.60V)

1) Total Output Voltage
Deviation
(Input, Load, Temp., Aging)
2) Dynamic Input Change
3) Dynamic Load Change

Including All
+5.1V±5%
(+4.84~+5.35V)
Including Set Error

Including All
+24.0V±10%
(+21.60~+26.40V)
Including Set Error

Including All
+12V±5%
(+11.40~+12.60V)
Including Set Error

Refer to ripple & noise 27

150mVp-p or less

500mVp-p or less

200mVp-p or less

Refer to load short and
overload protection 23
Refer to load short and
overload protection 23

Must not ignite or
generate smoke
when output shorted
for 5 sec.

Output voltage must
shutdown withing
the range of
3.5A~6.5A

Must not ignite or
generate smoke
when output shorted
for 5 sec.

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Circuit Description

3-8-2 AC Input Stage
AC Input power path is consist of the Fuse (F1) for AC current limit, the Varistor (TNR1) for by-passing high
Voltage Surge, the discharge resistor(R1), the AC Impalse Noise Filtering Circuit (C2, C4, LF1), the Common
Mode Grounding Circuit (C5, C6), the 2’nd noise filter (C7, LF2), and the thermistor (TH1).
Wher power is turned on, TH 1 limits Inlush-Current by it’s high resistanle, and When it’s temperature rise, it’s
resistance become about Zero ohm.

3-8-3 SMC(Switched Mode Control)
The AC input voltage is rectified and filtered by BD1 and C10 to create the DC high voltage applied to the primary winding of T1, Q5 pin #1 is driven by the SMPS device IC2, IC2. auto-starts and chops the DC voltage.
The U502 is PWM SMPS IC and has internally a SMC(switched mode control) IC and a MOSFET output
stage. The SMC IC has a Auto-restart without a Power Supply for the IC and a Thermal Shutdown function
and so on. R4, R5, C11, D1 clamp leading-edge voltage spikes caused by transformer leakage inductance.
The power secondary winding(Pin #5~6)is rectified and filtered by D8, D9, L2, C33, C34 to create the 5V output voltage. The bias winding(Pin #9~8)is rectified and filltered by D2 and C12 to create U502 bias voltage.
The secondary output 5V is regulated through the path of the voltage divide by R34, R35.

3-8-4. Fixed Temperature Control
3-8-4-1. Fixed Lamp Control Circuit

AC Power Live
AC Neutral

R24
Zero crossing circuit

C18

Logic Unit
Fuser On

SY1

R66
1
6
CON502

R23

PC3

SMPS Unit
DC Power

3-38

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Circuit Description

3-8-4-2. The Concept of Fixed Lamp Control
For fixed lamp control, the logic unit "fuser on" control signal and SMPS unit DC power must be supplied.
This circuit turns on only when "fuser on" sends the signal and the DC power is supplied.
The following explains how the fixed lamp control circuit works.
logic unit "fuser on" sends trigger current to triac driver PC3 LED, then the infrared ray is detected by PC3
photo detector. Next, YC3 triac is conducted.
The conducted current sends trigger input to triac SY1 gate. At this point, SY1 is conducted and AC power
is supplied to fixed lamp. Lamp is turned on and temperature rises.
As this fixed lamp control circuit uses the AC voltage ("+" and "-" are repeated) as the power supply, it used
two-way triac (SY1), which has advantage over one-way SCR considering the price, size and reliability.
Triac's gate can be triggered by either forward or reverse signal. Once triac is turned on, it will not be controlled by gate signal, but will be continuously on until the current between major terminals decreases below
the holding current. In other words, you cannot turn it off with reverse signal unlike SCR. This property is called current-voltage threshold rise rate (commutation: dv/dt). In AC power control
application, triac has to turn off conduction in each zero crossing or switch it twice in each cycle. This switching operation is called commutation. It is possible to turn off the triac at the end of half cycle by eliminating the
gate signal when the load current (IL) is gained at the level equal to or lower than holding current. When
triac commutes off-line, the direction of the voltage of the both ends of triac will be reversed and increase
up to the maximum value of line voltage (VAC). At this point, the width of rise rate will be determined by dv/
dt and overshoot voltage, by the circuit. When triac commutes off-line, the voltage of both ends of triac will
have the same voltage as the line voltage.

IL
Inductive IL
VT

VAC
G

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Connection Diagrams

4. Schematic Diagrams
4-1 Main Circuit Diagram (1/16)

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Connection Diagrams

Main Circuit Diagram (2/16)

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Connection Diagrams

Main Circuit Diagram (3/16)

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Connection Diagrams

Main Circuit Diagram (4/16)

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Connection Diagrams

Main Circuit Diagram (5/16)

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Connection Diagrams

Main Circuit Diagram (6/16)

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Connection Diagrams

Main Circuit Diagram (7/16)

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Connection Diagrams

Main Circuit Diagram (8/16)

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Connection Diagrams

Main Circuit Diagram (9/16)

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Connection Diagrams

Main Circuit Diagram (10/16)

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Connection Diagrams

Main Circuit Diagram (11/16)

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Connection Diagrams

Main Circuit Diagram (12/16)

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Connection Diagrams

Main Circuit Diagram (13/16)

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Connection Diagrams

Main Circuit Diagram (14/16)

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Connection Diagrams

Main Circuit Diagram (15/16)

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Connection Diagrams

Main Circuit Diagram (16/16)

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Connection Diagrams

4-2 LIU Circuit Diagram

*
1K, 2W
*
10, 1%,0.25W
*
*

*: for EU PTT
ARS1-3 : OPTION

0.25W

(BLK)

*
*
180K, 1/4W
*

/250V

*
(BRW)
120K

*
1K,1%

/250V

2.74K, 1%
(RED)

600

(ORG)

0.22UF/16V
/16V

/16V

600:600

*
,1W

*
(BLU)

*
(YEL)

(GRN)

15nF/400V

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Connection Diagrams

4-3 OPE Circuit Diagram

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Connection Diagrams

4-4 HVPS Circuit Diagram (1/2)
5V

18V

R403
62KF

Q401
A708-Y

MHV-PWM

CON03-#22

T401
KAB-006

R404
33K

U103-B
7407

R411
2K

C407
104

C401
222

U101-A
KA324

D404
1N4148

R402
56KF

MHV
50K

Q402
D526-Y

5
2

CON03-#24

R501
100
2

R406
16.2KF

D401
1N4148

U103-A
7407

R503
100KF

R504
86.6KF

R502
2K
DEV
50K

24VS

C403
333

OPC
R410
1W 3

ZD401
1W 150V

T501
T1167

R507
12KF

Q502
D526-Y

D501
1N4148

D502
4KV

5
2

R514
MGR1/2W 50K
BLADE

C505
2KV 680

C506
3KV 471

R515
MGR1/2W 50K

SUPPLY

R509
47K

R510
430
R512
MGR1/2W 12MF
C504
333

ZD502
150V
DEV
R516
MGR1/2W 50K

R511
1W 3

R517
MGR1/2W 15MF

U102
KA7818
IN

OUT

18V
+

GND
C102
104

U101-B
KA324

C501
104
C502
222

R416
MGR1/2W 30MF

R413
MGR1/2W 12MF

R508
47K

C503
104

R505
27K

R519
2.2K

C406
3KV 471

D402
4KV

R409
430

R506
86.6KF

Q501
A708-Y

R418
MGR1/2W 100KF
MHV

C405
2KV 680

R408
47K

18V

R520
5.6K

D403
4KV

C404
3KV 471

24VS

BIAS-PWM

24VS

R405
150KF

R412
2.2K

R419
5.6K

R407
85KF

C402
104

R401
100

C103
104

C104
35V 47uF

DONGYANG INSTRUMENTS

TITLE

H.V.P.S

DESIGNED CHECKED APPROVED DRW. NO MCKINLEY-HVPS
J.S.YOUN

Samsung Electronics

REF. NO

JC44-00017A

SIZE A4

DATE 01/05/20

REV.
1.0
1 OF 2

4-19

- This Document can not be used without Samsung's authorization -

Connection Diagrams

HVPS Circuit Diagram (2/2)
5V

18V

R403
62KF

Q401
A708-Y

MHV-PWM

CON03-#22

T401
KAB-006

R404
33K

R402
56KF

U103-B
7407

R411
2K

C407
104

C401
222

U101-A
KA324

D404
1N4148

MHV
50K

Q402
D526-Y

5
2

CON03-#24

R501
100
2

U103-A
7407

R406
16.2KF

D401
1N4148

R503
100KF

R504
86.6KF

R502
2K
DEV
50K

24VS

C403
333

OPC
R410
1W 3

ZD401
1W 150V

T501
T1167

R507
12KF

Q502
D526-Y

D501
1N4148

D502
4KV

5
2

R514
MGR1/2W 50K
BLADE

C505
2KV 680

C506
3KV 471

R515
MGR1/2W 50K

SUPPLY

R509
47K

R510
430
R512
MGR1/2W 12MF
C504
333

ZD502
150V
DEV
R516
MGR1/2W 50K

R511
1W 3

R517
MGR1/2W 15MF

U102
KA7818
IN

OUT

18V
+

GND
C102
104

U101-B
KA324

C501
104
C502
222

R416
MGR1/2W 30MF

R413
MGR1/2W 12MF

R508
47K

C503
104

R505
27K

R519
2.2K

C406
3KV 471

D402
4KV

R409
430

R506
86.6KF

Q501
A708-Y

R418
MGR1/2W 100KF
MHV

C405
2KV 680

R408
47K

18V

R520
5.6K

D403
4KV

C404
3KV 471

24VS

BIAS-PWM

24VS

R405
150KF

R412
2.2K

R419
5.6K

R407
85KF

C402
104

R401
100

C103
104

C104
35V 47uF

DONGYANG INSTRUMENTS

TITLE

DESIGNED CHECKED APPROVED DRW. NO
J.S.YOUN

H.V.P.S
MCKINLEY-HVPS

REF. NO

JC44-00017A

SIZE A4

DATE 01/05/20

REV.
1.0
1 OF 2

Samsung Electronics

4-20

- This Document can not be used without Samsung's authorization -

Connection Diagrams

4-5 SMPS Circuit Diagram (110V)
C4
C-CX104224
F1
C2
C6
TNR2
125V8A
LF1 C-CX104224C-CY222
TNR-14V182K

F2
125V5A

LF2

BD1
D3SB60

C7
C-CX104224

C29
35V1000uF

+24V
2

TH1
15D-9

24V
L2/A

C41
ACINPUT/N

ACINPUT/L
AC INPUT
85V-135Vac

C27

D5/B
TNR1
INR14D561K

R1
1W560KJ

R3
1W100KJ

C10
200V820uF

C22

D5/A
D10LC20U

R41 R42 R43
C30
35V1000uF1W1.2KJ

24VG

R4
2W100KJ

C-CY222

C5
C-CY222

GND

R5
2W100KJ

C11
C-MYN630V103

R6
1W100KJ

L1
2

C24
35V100uF
6

9
4

D6
D1NL20U

R23
1/4W100J

C18
630V333K

ZD4
CON2
1

D2
D1NL20U

R11

SY1
BTA12-600B

R17
1/8W51J

IC3
IC-278RXX
IN

GND

D1
BYV-26E

C25
35V100uF

OUT

12V

L2/B

D7
D1NL20U

C28
C-MY50V104

C42
1KV471

1/8W470J
Q2
C1008

C43

12VG
L2/C

VCC

C12
35V33uF

5V
C-MY50V472J

C1
1

C13

C34
10V3300uF

SB560

16
CS 6

R15
1/8W680J

GND

R9
1/8W22KJ

R24
1W47J

OUT

C17
50V104J

R37
1/8W120J

D9/A

IC2
7653

PC3
S21ME4FY

R22
1W180J

R14
1/8W24J

R12
R13
1/6W2.2J 1/8W1KJ

D8/B
SB560

R31
1/8W120J

R2
1W47J

C26
C-MY50V104

R11
R10
1W0.35J
R66
RD1/8W01.5KJ
+24S

C14
R16
50V102J 1/8W680J

R18
C15
1/8W18KJ 50V471J
R19
1/8W5.6KJ
C16
50V683J

PT1 EER3435

C33
10V3300uF

5VG
+24V ZD1
ZD-500MW30V ZD-500MW6.2V
ZD2

R25
1/8W10KJ

R20

R32
1/8W1KJ

R31
1/8W1KJ

RV1

FUSER_ON

PC1
PC-123

C21
R27
1/8W68J
Q4
C1008

R26
1/8W220J

R28
1/8W680J
PC2
PC-123

Samsung Electronics

C19

R30
1/8W220J

C20
C-MY50V104

R34
1.2KJ

1uF
IC1
431
R35
1KJ

C-MY50V104

4-21

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Connection Diagrams

SMPS Circuit Diagram (220V)
C4
C-CX104224
F1
C2
C6
TNR2
125V8A
LF1 C-CX104224C-CY222
TNR-14V182K

F2
250V3.15A

LF2

BD1
D3SB60

C7
C-CX104224

C29
35V1000uF

+24V
2

TH1
15D-9

24V
L2/A

C41
ACINPUT/N

ACINPUT/L
AC INPUT
85V-135Vac

D5/B
TNR1
INR14D561K

R1
1W560KJ

R3
1W130V(ZEN)

C10
400V330uF

C22

D5/A
D10LC20U

R41 R42 R43
C30
35V1000uF1W1.2KJ

24VG

R4
2W100KJ

C-CY222

C5
C-CY222

GND

R5
2W100KJ

C11
C-MYN630V103

R6
1W220KJ

L1
2

C24
35V100uF
6

9
4

D6
D1NL20U

R23
1/4W100J

C18
630V333K

ZD4
CON2
1

D2
D1NL20U

R11

SY1
BTA12-600B

R17
1/8W51J

IC3
IC-278RXX
IN

GND

D1
BYV-26E

C25
35V100uF

OUT

12V

L2/B

D7
D1NL20U

C28
C-MY50V104

C42
1KV471

1/8W470J
Q2
C1008

C43

12VG
L2/C

VCC

C12
35V33uF

5V
C-MY50V472J

C1
1

C13

C34
10V3300uF

SB560

CS 6

R15
1/8W680J

GND

R9
1/8W22KJ

R24
1W47J

OUT

IC2
7653

C17
50V104J

R22
1W180J

R14
1/8W24J

PC3
S21ME4FY

R37
1/8W120J

D9/A

R12
R13
1/6W2.2J 1/8W1KJ

D8/B
SB560

R31
1/8W120J

R2
1W47J

C26
C-MY50V104

R11
R10
1W1J
R66
RD1/8W01.5KJ
+24S

C14
R16
50V102J 1/8W680J

R18
C15
1/8W18KJ 50V471J
R19
1/8W5.6KJ
C16
50V683J

PT1 EER3435

C33
10V3300uF

5VG
+24V ZD1
ZD-500MW30V ZD-500MW6.2V
ZD2

R25
1/8W10KJ

R20

R32
1/8W1KJ

R31
1/8W1KJ

RV1

FUSER_ON

PC1
PC-123

C21
R27
1/8W68J
Q4
C1008

R26
1/8W220J

R28
1/8W680J
PC2
PC-123

C19

R30
1/8W220J

C20
C-MY50V104

R34
1.2KJ

1uF
IC1
431
R35
1KJ

C-MY50V104

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Connection Diagrams

4-6 ADF Circuit Diagram

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Connection Diagrams

4-7 Flat Circuit Diagram

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Connection Diagrams

4-8 PTL Circuit Diagram

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Connection Diagrams

4-9 Sensor Circuit Diagram

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Connection Diagrams

4-10 Toner_Rx Circuit Diagram

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Connection Diagrams

4-11 Toner_Tx Circuit Diagram

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This Manual is a property of Samsung Electronics Co. , Ltd.
Any unauthorized use of Manual can be punished under
applicable internaional and/or domestic law

www.s-manuals.com

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