CHAPTER 0 Fi 4750C Maint Guide

User Manual: fi-4750C

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CONTENTS

C150-E183-01EN

fi-4750C Image Scanner

Cleaning and Maintenance

Revisions, Disclaimers

Revisions

FCC declaration: This equipment has been tested and found to comply with

the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates, uses, and

can radiate radio frequency energy and, if not installed and used in accordance

with the instruction manual, may cause harmful interference to radio communi-

cations. However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference to radio

or television reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference by one or more

of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

FCC warning: Changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate the

equipment.

Edition Date published Revised contents

01 October, 2000 First edition

Specification No. C150-E183-01EN

NOTE

• The use of a non-shielded interface cable with the referenced device is

prohibited. The length of the parallel interface cable must be 3 meters (10

feet) or less. The length of the serial interface cable must be 15 meters (50

feet) or less.

• The length of the power cord must be 3 meters (10 feet) or less.

This Class B digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe B est conforme à la norme NMB-003 du

Canada.

As an ENERGYSTAR ® Partner, Fujitsu Limited declares that this scanner meets

the ENERGYSTAR ® guidelines for energy efficiency. ENERGYSTAR ® is a U. S.

registered mark.

Changes

The contents of this manual may be revised without prior notice.

FUJITSU reserves the right to make changes to any products herein, to im-

prove reliability, function, or design, without further notice and without obliga-

tion.

Copyrights

Printed in Japan.

No part of this manual may be reproduced in any form without permission.

iii

Fujitsu Offices

Please send your comments on this manual or on Fujitsu products to the

following addresses:

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FUJITSU LIMITED

International Operations

Marunouchi 1-6-1, Chiyoda-ku,

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Cable:”FUJITSU LIMITED TOKYO”

http://www.fujitsu.co.jp/

Note, Liability

READ

ALL

THIS

MANUAL

CAREFULLY

BEFORE

USING

THIS

PROD-

UCT.

NOT

USED

CORRECTLY,

UNEXPECTED

INJURY

MAY

CAUSED

USERS

BYSTANDERS.

While all efforts have been made to ensure the accuracy of all information in

this manual, FUJITSU assumes no liability to any party for any damage caused

by errors or omissions or by statements of any kind in this manual, its updates

or supplements, whether such errors are omissions or statements resulting from

negligence, accidents, or any other cause. FUJITSU further assumes no

liability arising from the application or use of any product or system described

herein; nor any liability for incidental or consequential damages arising from the

use of this manual. FUJITSU disclaims all warranties regarding the information

contained herein, whether expressed, implied, or statutory.

Preface

This manual explains how to clean and maintain the fi-4750C image scanner.

The fi-4750C is a highly functional color image scanner developed for volume

filing, using charge-coupled device (CCD) color image sensors. This scanner

features duplex scanning and high quality color image processing with an

automatic document feeder (ADF).

Refer to the Operator’s Guide for basic information about the fi-4750C.

Conventions

Important information that requires special attention is indicated as follows:

WARNING

WARNING indicates that serious personal injury may result if you do not follow

a procedure correctly.

CAUTION

CAUTION indicates that minor personal injury, loss of data, or damage to the

scanner may result if you do not follow a procedure correctly.

Official Fujitsu part names are indicated with an initial capital letter, as in the

part name “Pick roller”.

NOTE

A NOTE provides “how-to” tips or suggestions to help you perform a procedure

correctly.

vii

CONTENTS

CHAPTER 1 DESCRIPTION ............................................................... 1-1

Units ............................................................................... 1-2

Assemblies ..................................................................... 1-4

Operator Panel ................................................................ 1-5

Panel Display.................................................................. 1-6

CHAPTER 2 CLEANING ..................................................................... 2-1

Cleaning Supplies and Area Requiring Cleaning .............. 2-2

Supplies .................................................................... 2-2

Areas Requiring Cleaning .......................................... 2-3

Cleaning the ADF ............................................................ 2-4

Cleaning the Flatbed ..................................................... 2-10

CHAPTER 3 REPLACEMENT OF PARTS .......................................... 3-1

Pad Assembly ................................................................ 3-2

Pick Roller ...................................................................... 3-4

CHAPTER 4 TROUBLESHOOTING .................................................... 4-1

Clearing Paper Jams ....................................................... 4-2

Initial Checks .................................................................. 4-3

Problem Checklist......................................................... 4-20

DESCRIPTION

CHAPTER 1

DESCRIPTION

CHAPTER

CLEANING

CHAPTER 3

REPLACEMENT

PARTS

CHAPTER 4

TROUBLESHOOTING

DESCRIPTIONCLEANINGREPLACEMENT

OF PARTS

TROUBLESHOOTING

CHAPTER

DESCRIPTION

This chapter describes units, assemblies, indicators and LED

functions.

Units

Assemblies

Operator Panel

Panel Display

1-1

1-2

Units

Document holding pad

Document cover

ADF paper chute

ADF

lever

ADF

Stacker

Power inlet

Third party slot

Power switch

Document bed

Oparator panel

Interface connector

1-3

DESCRIPTION

NoFunction

Automatically feeds documents to the reading position.

Opens/closes ADF to enable the removal of jammed documents.

Holds the documents to be fed by ADF.

Displays the status of the scanner. Also displays buttons that enable the

operator to change settings in Feed mode, Manual Feed mode, and Setup

mode.

Stacks the read documents.

Covers the document to be read.

Presses the document to the Document bed.

Holds the document to be read. Also called Flatbed (FB).

Third party slot.

Connects to the host system with interface cables.

Connect the power cable from an AC power outlet here.

Power switch.

1-4

Thumb screw

Guide A ASY

Pick roller 2

Pick roller 1

Pad ASY

Stacker

Assemblies

1-5

DESCRIPTION

Exit

Enter

Stop

Send To/

Start Read

Check

Operator panel

The Operator panel is located on the

upper right hand side of the scanner.

The panel consists of an LCD (16

characters x 2 lines), LEDs, and

buttons.

Arrangement

1-6

Panel Display

Button/LED Function

Name of the button and

LED Function

Button Next Displays the next LCD screen.

Previous Displays the previous LCD screen.

Moves the cursor (blinking part) to the left

Moves the cursor (blinking part) to the right

Exit When you are entering settings on the Operator panel, pressing this button

returns you immediately to the Scanner Ready screen.

Enter Enters the parameter currently selected by the cursor.

Send To

Start Starts the reading. while Manual start mode is set or the Read lamp lights

when the video interface option is used. Some application software packages

might use this button.

Stop When the Check LED lights, pressing this button releases the error status

(turns off Check and returns to the Scanner Ready screen). Stops the reading

while reading when the video interface option is used. Also turns off the Check

lamp.

LED Indicates the scanner is ON.

Read Indicates the scanner is reading or ready to read.

Check If lit, indicates an alarm occurred. Pressing the Stop button turns the Check

lamp off.

If it blinks at one second intervals, this indicates a jam or double feed has been

detected. If the problem is jammed paper, removing paper turns off the Check

lamp. If the problem is double feed, pressing the Stop button turns off the

Check lamp.

If it blinks at four second intervals, this indicates cleaning the ADF is

necessary.

1-7

DESCRIPTION

Counter Display

The scanner is provided with a

counter display.

NOTE

When the counter value is 0, no number is displayed.

Abrasion counter

Paper counter

Counter Function

Paper counter When the

button is pressed The paper counter counts the number of scanned sheets

from the start of reading until Paper Empty or until an

error is detected. The counter is automatically reset at

the start of reading. The counter is used for checking

the number of sheets scanned at one time.

When the

button is pressed This counter increments each time a document is

scanned. The counter is not initialized until the power is

turned off. The counter can be used, for example, for

checking the number of sheets that have been scanned

in one day.

Abrasion counter Abrasion counter counts the accumulated number of the scanned sheet. This

counter increments at every 10 sheets. This counter is useful to check the

cleaning cycle or parts replacement cycle. How to reset is described in

Chapter 6.

1-8

Panel Display

Operation status

The operation status is indicated by the following messages:

<Power-on>

<Low Power Mode> When the Scanner Display turns Off and the power indicator

remains “On”, the scanner is in the Low Power Mode.

NOTE

One of the following will wake up the scanner:

• Pressing any button.

• Setting the paper on the ADF.

• Sending a command from the host computer.

<Waiting for Start> The scanner displays the following screen when waiting for the

Start button to be pressed:

(Only When the Video Interface

Option is installed.)

<Cleaning request> When the Pick roller cleaning is necessary, the scanner displays

the following on the upper line:

When the ADF glass cleaning is necessary, the scanner displays

the following on the LCD:

Clean the Pick roller or the ADF glass in accordance with the

instructions given in chapter 2, Cleaning the ADF, and chapter 3,

Pick Roller.

1-9

DESCRIPTION

Temporary error

This message is displayed if there is no more paper on the ADF

paper chute during a read operation in ADF mode. Fill the ADF

paper chute with paper. To enable the read operation, press the

stop button.

<Jam>

This message is displayed if a document is jammed in the ADF.

See Chapter 4 for removing jammed ducuments.

This message is displayed if the ADF is not closed completely.

Close the ADF completely, and enable the read operation.

This message is displayed when the ADF detects a Double feed

error. Check the document and re-scan it.

1-10

Alarm

One of the following messages is displayed if an error occurs in the scanner. If one of the following

error messages is displayed, turn the power Off and then On again. If the same message is displayed,

contact your service representative.

NOTE

When the total number of sheets scanned by the ADF is less than 100, the message above and the

message below are displayed alternately. Remove the bracket (Shipping Lock) that holds the carrier

in place.

1-11

DESCRIPTION

NOTE

When this message is displayed, turn Off system power and then turn it On again. Alternatively,

replace the current cable with one recommended by the manufacturer of the SCSI board. When the

cause of the alarm has been corrected, the scanner automatically resumes operation once power is

turned On again.

2-1

CHAPTER

CLEANING

This chapter describes cleaning supplies, areas that require clean-

ing, and procedures for cleaning the ADF and the flatbed.

Cleaning Supplies and Areas Requiring

Cleaning

Cleaning the ADF

Cleaning the Flatbed

2-2

Cleaning Supplies and Areas Requiring Cleaning

Supplies

*1 If the display on the operator panel shows “Please clean Pick-roller”, then clean it regardless of the

frequencies recommended here.

CAUTION

*2 Do not clean the rubber rollers with cleaner F2.

NOTE

When the following paper types are used, it may be necessary to clean more frequently:

• Paper with a smooth surface, such as coated paper.

• Paper almost entirely covered with printing.

• Paper with special chemical coatings, such as carbonless paper.

• Paper including a great quantity of calcium.

• When reading a great many documents written with a pencil.

*3 Refer to the Abrasion counter on the Operator panel to estimate when the next cleaning is necessary.

Cleaning paper Contact your Every 5,000 sheets

dealer or

Cleaner F2 distributor • Plastic rollers (*2) 1 bottle

Apply Cleaner F2

to cotton swab.

Cleaner F1 or • PAD assembly 1 bottle.

Isopropyl alcohol Every 5,000 sheets Apply Cleaner F1

• Pick roller/Feed rollers/ to cloth.

Glass/Sheet guide

Every 5,000 sheets

Cotton swab

Dry cloth

Type No. RemarksSupplies Frequencies (*1)(*3)

Document cover

Document

holding pad

Document

bed

2-3

CLEANING

Cleaning paper

with Cleaner F1 Dry cloth

with Cleaner F1

Cotton swab

with Cleaner F1 or F2

Area Name

Flatbed

ADF

Document holding pad

Document bed

Pad

Glass/Sheet guide

Pick roller

Plastic rollers

Feed rollers

Pick Arm Rollers

Areas Requiring Cleaning

ADF

Document holding

pad

Document bed

Plastic rollers

Feed rollers Pad Sheet guide (white part)

Plastic rollers

Glass

Pick roller

2-4

Cleaning the ADF

Cleaning the ADF with cleaning paper

Pull the ADF lever to open the

ADF.

Apply cleaner F1 to a new

piece of cleaning paper.

Place the cleaning paper on

the ADF so that the edge of the

short side touches the Plastic

roller.

4Close the ADF and turn the

power on to start the cleaning.

5Turn the power off.

6Repeat steps 1 through 5.

pow-on

Cleaning paper Cleaning

paper

Plastic

rollers

2-5

CLEANING

Glass

Pad assembly

Cleaning the ADF with a Dry cloth or a Cloth with Cleaner F1

Pull the ADF lever to open the

ADF.

Use a dry cloth or a cloth

moistened with Cleaner F1 to

softly remove dirt and dust as

follows.

Pad assembly :

Wipe the pad in a downward

direction (as indicated by the arrow).

Be careful not to catch the spring for

the Pick roller when wiping.

Glass:

Wipe the glass lightly.

NOTE

If the glass is dirty, the image may include

black vertical stripes.

2-6

Plastic rollers

Pick roller:

Wipe the roller.

Be careful not to damage the surface

of the roller and the mylar strip above

the Pick roller.

Feed rollers :

and Plastic rollers

Wipe the rollers.

Be careful not to damage the surface

of the rollers.

Feed rollers Plastic rollers

Pick roller

2-7

CLEANING

Sheet guide (white part)

Sheet guide (white part):

Wipe the sheet guide.

NOTE

If the Sheet guide is dirty, the front image may

show vertical stripes.

Close the ADF to lock the ADF

lever.

2-8

Cleaning the Pick Arm Rollers

Pull the ADF lever to open the

ADF.

Moisten a cotton swab or Dry

cloth with F1 or F2 Cleaner.

Wipe the small Plastic rollers

at the tip of the Pick Arm.

4Wipe the small Plastic rollers

and the Pick Arm with a clean,

dry cloth to dry them.

NOTE

When non-carbon paper is used, the Pick Arm rollers may become dirty with a black substance. Use Cleaner

F2 to remove the contamination.

CAUTION

1. Don’t wipe the pad rubbers with the F2 cleaner.

2. Don’t apply the F2 cleaner to the pad rubber.

2-9

CLEANING

Cleaning the Plastic rollers with Cleaner F2

Pull the ADF lever to open the

ADF.

Moisten a cotton swab with

Cleaner F2.

Wipe the Plastic roller

surfaces.

CAUTION

Don’t wipe the Pick Rollers with a cotton swab

using cleaner F2.

4Wipe the Plastic roller surface

with a clean, dry cloth. Allow it

to dry.

Plastic rollers

2-10

Cleaning the Flatbed

Cleaning the Flatbed with a Cloth and Cleaner F1

NOTE

Window or glass cleaner can be used instead of cleaner F1. However, do not use organic solvents.

Open the Document cover.

Apply Cleaner F1 to a clean

cloth.

Wipe the Document holding

pad and the Document bed.

4Allow them to dry.

NOTE

Be sure to prevent liquid from seeping through the opening between the Document bed and the plastic cover.

Document cover

Document

holding pad

Document bed

3-1

CHAPTER

REPLACEMENT OF PARTS

This chapter describes how to replace the pad assembly and the

pick roller.

Pad Assembly

Pick Roller

3-2

Pad Assembly

NOTE

The life span of the pad assembly is about

100,000 sheets or one year. Use the Abrasion

counter on the Operator panel to estimate when

the Pad assembly needs replacement. The life

span may be decreased by as much as half

when carbonless paper is read frequently.

WARNING

Turn off the power before replacing the Pad

Assembly.

Pull the ADF lever to open the

ADF.

Push the Pick Arm carefully.

Pick Arm

Pad ASY (PA03951-0151)

ADF lever

3-3

REPLACEMENT

OF PARTS

Pad assembly

Slide the Pad Assembly to the

left and pull it towards you.

Then, being careful not to hook

the spring for the Pad, remove

the Pad Assembly.

NOTE

Hold both ends of the Pad assembly as shown

in the right photo.

CAUTION

Don’t hold the sensor arm with the Pad

assembly.

4Attach the Pad Assembly to

the ADF in the reverse

sequence of step 3.

NOTE

Fit the Pad assembly pin into the larger hole,

then slide it to the right until it stops.

5Close the ADF.

3-4

Pick Roller

NOTE

The life span of the Pick roller is about 200, 000 sheets or one year.

Use the Abrasion counter on the operator panel to estimate when the Pick roller needs replacement.

The life span may be decreased by as much as half when carbonless sheets are frequently read.

WARNING

Turn off the power before replacing the Pick Rollers.

Pull the ADF lever to open the

ADF.

Remove the two Thumb

screws.

NOTE

Use a Phillips screwdriver if they are tight.

Pick rollers (PA03951-0153)

(Two rollers are included)

Thumb screws

3-5

REPLACEMENT

OF PARTS

Position for Replacement

Pick roller 1

Pick roller 2

Stopper

With both hands, lift up Guide

A and disengage its tip from

the right hole. Then lift the right

side of the cover and remove

it.

4To remove the Pick rollers,

turn the stopper counter-

clockwise.

3-6

To remove the Pick roller 1,

move it to the left and then lift

it.

6Immediately after removing the

Pick roller 1, remove the Pick

roller 2 in the same way.

3-7

REPLACEMENT

OF PARTS

7To attach the new Pick rollers,

place Pick roller 1 from the

right side above the bearing for

Pick roller 1.

NOTE

Pick roller 1 has a groove in its rubber.

Put the shaft of Pick roller 1

into the bearing. Then, slide

Pick roller 1 toward the right

side.

NOTE

Make sure that the shaft is securely fixed to the bearings.

3-8

8Attach Pick roller 2, in the

same way as Pick roller 1 as

shown in step 7.

Then slide the Pick roller 2

toward right side.

NOTE

Make sure that the shaft is securely fixed to the bearings.

3-9

REPLACEMENT

OF PARTS

Operating Position

9Turn the stopper clockwise to

secure the Pick rollers.

Stopper

3-10

Guide A

Thumb screws

Attach Guide A in the reverse

sequence of step 3 and align

the screw hole. See the

graphic on page 1-4.

Tighten the thumb screws.

Close the ADF unit.

4-1

CHAPTER

TROUBLESHOOTING

This chapter describes how to clear paper jams and run initial

checks. It also contains a Problem Checklist that should be

completed before you call a service representative.

Clearing Paper Jams

Initial Checks

Problem Checklist

4-2

Clearing Paper Jams

Remove all the documents

from the ADF paper chute.

Pull the ADF lever to open the

ADF.

Remove the jammed

document(s).

NOTES

- Inspect the paper and the paper path. Make sure no staples, paper clips or other materials caused the jam.

All staples and paper clips should be removed from all documents bofore scanning.

- Be careful not to pull the spring for the Pad while removing a jammed document.

4Close the ADF so that the ADF

lever locks.

Document

ADF

ADF lever

TROUBLESHOOTING

4-3

(No light)

Symptom 1The power does not go On.

Is the power cable

connected correctly?

Is the power switch on?

Contact the manufacturer’s authorized

service center.

Connect the power cable

correctly.

Press the power switch.

YES

Initial Checks

If a problem occurs, check the following items before contacting the manufacturer’s authorized service

center.

4-4

Power “On”

Symptom 2The operator panel turns “Off”.

Has it been a long time

since the scanner was last

used?

Did the scanner enter this

state quickly?

Did you load the paper on

the ADF?

Press any button on the

operator panel to wake up the

system.

Extend the time for entering

"Low Power Mode" in Set Up

Mode.

YES

NO YES

YES

Load the paper again, or

press any button on the

operator panel.

Wait for at least 10 seconds.

Contact the manufacturer’s authorized

service center.

Have 10 seconds passed

since the PC instructed a

scan?

TROUBLESHOOTING

4-5

Symptom 3Read operation does not start.

Is the Shipping Lock

placed in an operating

position?

Are the documents loaded

correctly on the ADF paper

chute?

Is the ADF completely

closed?

Place the Shipping Lock

correctly.

(See the Operator’s Guide,

p. 2-4)

Insert the documents into the

slot.

YES

YES NO

YES

Completely close the ADF.

Connect the interface cable

correctly.

Is the interface cable

connected correctly?

YES

4-6

CHECK

Is the scanner the last

device of the SCSI chain?

Is the SCSI ID set

correctly?

Is the baud rate of the

system 4800 bps?

(When you use the Fujitsu

video interface board.)

The termination should be

turned off via the front panel.

Set the SCSI ID correctly.

Use the operator panel to

change the ID.

YES

Contact the manufacturer’s

authorized service center to

set the correct baud rate.

Refer to Symptom 6.

(See p. 4-9)

Contact the manufacturer’s authorized

service center.

Is the CHECK indicator lit?

Is an Alarm displayed?

TROUBLESHOOTING

4-7

Symptom 4Pictures and photographs are not read correctly.

Is the “Photo” mode

selected?

Is halftone or dither

processing selected?

Are the Document bed,

Document holding pad,

glass, and sheet guides

clean?

Select the “Photo” mode

(White level following “Off”)

through the scanner setting

menu in the software.

Select the halftone or

dithering mode from the host

computer.

YES

Clean the dirty parts.

(See p. 2-5, p. 2-7, p. 2-10)

Contact the manufacturer’s authorized

service center.

4-8

3mm

Symptom 5Characters and lines are not read correctly.

Is the “Line Art” mode

selected?

Is there any printed text on

the first 3mm of the

document?

Are the Document bed,

Document holding pad,

glass, and sheet guides

clean?

Select the “Line Art” mode

from the host computer.

Select the “Photo” mode

(White level following “Off”)

via software.

YES

Clean the dirty parts.

(See p. 2-5, p. 2-7, p. 2-10)

Contact the manufacturer’s authorized

service center.

TROUBLESHOOTING

4-9

Symptom 6Images are distorted or unclear.

Are the Document bed,

Document holding pad,

glass and sheet guides

clean?

During rear read operation

with the ADF, is the top of

the ADF being pressed or

is there anything heavy on

it?

Is the scanner on an even

and flat surface or are any

rubber feet of the scanner

missing?

Clean the dirty parts.

(See p. 2-5, p. 2-7, p. 2-10)

Do not press the top of the

ADF or put anything heavy on

it.

YES

Place the scanner on a flat,

even surface or attach the

rubber feet.

Contact the manufacturer’s authorized

service center.

missing

4-10

Symptom 7Images have vertical lines.

Did you scan the

document using the

Flatbed?

Are the lines white?

Are the lines black?

Contact the manufacturer’s authorized

service center.

Contact the manufacturer’s

authorized service center.

Clean the ADF Glass.

YES

TROUBLESHOOTING

4-11

CHECK

Symptom 8The Check indicator is on.

Is the Shipping Lock

placed in operating

position?

Turn off the power once

and then try to turn on the

power again. Is the

CHECK lamp still on? Or is

an Alarm displayed?

Contact the manufacturer’s authorized

service center.

Place the Shipping Lock

correctly.

(See Operator’s Guide.)

YES

4-12

Symptom 9“Please clean Pick-roller” is displayed.

Is the Pick roller dirty?

Do documents meet

specification described in

the Operator’s Guide?

Is the Pad assembly dirty

or worn out?

Clean the Pick roller.

(See p. 2-6)

Flatten the curl or use the

Flatbed to read the document.

YES

Clean or replace the Pad

assembly.

(See p. 3-2, p. 3-3)

Contact the manufacturer’s authorized

service center.

TROUBLESHOOTING

4-13

NOTES

• Remove paper clips and staples. Flatten the staple holes.

• Read the following types of documents using the Flatbed:

- Paper with clips or staples.

- Paper with wet ink.

- Paper of uneven thickness (for example, envelopes).

- Paper with large rumples or curls.

- Paper with folds or tears.

- Tracing paper.

- Coated paper.

- Carbon paper.

- Paper smaller than A6 size or larger than A3.

- Materials other than paper (for example, cloth, sheet metal, or OHP film).

- Photographic paper.

- Paper with perforations on its sides.

- Non-rectangular paper.

- Very thin paper.

• The leading edge of all documents fed by the ADF should be straightened so the curl of the

paper meets the specifications below:

• Do not mix documents of different widths.

Read surface

Less than

5mm

More than 30mm

Top of the paper

Feed direction

Less than

3mm

More than 30mm Feed direction

CHAPTER 0 Fi 4750C Maint Guide

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