Brother FAX 270MC User Manual MACHINE Manuals And Guides 97120072
BROTHER Fax Machines Manual 97120072 BROTHER Fax Machines Owner's Manual, BROTHER Fax Machines installation guides
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FACSIMILE
EQUIPMENT
SERVICE MANUAL
MODEL: FAX-270MC/290MC/520DT/520MC
MFC370MC/390MC
NOTE
This Service Manual presents specifications, theory of operation, and maintenance
information which pertain exclusively to the FAX-270MC/290MC/520DT/520MC/
MFC370MC/390MC.
For additional descriptions common to both FAX-270MC/
290MC/520DT/520MC/MFC370MC/390MC
and FAX170/190/510/HOME
FAX,
please refer to the FAX170/190/510/HOME FAX Service Manual.
CHAPTER
GENERAL
DESCRIPTION
I.
2.
SPECIFICATIONS
Model
Color
Modem Speed
CodingMethod
TransmissionSpeed
CCITT Group
Input/OutputWidth
Hold Key
AutomaticCutter
ADF Capacity
Anti-curlSystem
RollPaperSize(Standard
thermalf_erma
PLUS)
LCD Size
On-screenProgramming
MemoryCapacity
Super Rne
Smoothing
GreyScale (levels)
One-touch Dialing
Speed Dialing
TelephoneIndex
SuperTelephoneIndex
Speaker Phone
Fax/TelSwitch
TAD Interface
Enlargement/Reduction
EnhancedRemoteActivation
DistinctiveRinging(FAX Ability)
Next-faxReservation
Help
Caller ID (Caller Display)
AutomaticRedialing
AutoReduction
Multi-resolution
Transmission
Polling
DelayedTransmission
Delayed Polling
Coverpage
Call Reservation
Call-backMessage
ActivityReport
AutoCNG Detection(New)
TransmissionVerificationReport
ECM
Broadcasting
QuickScanning
Out-of-paperReception
Multi Copy
Multi Transmission
PCl (Missing link)
Confidential Mailbox
Fax Forwarding
Fax-on-demand
Fax Retrieval
ICM RecordingTime
Memo/2-wayRecording
Page Memory
Paging
PersonalFax Mail box(5)
PersonalVoice Mail Box (5)
RemoteControl
TADType
TollSaver
Voice-on-demand
FAX-270MC/290MC
MFC370MC
Black (1395)
14400 bps
MH
9 sec.
G3
Max. 216/216 mm
Yes
Yes
10 pages
Yes
98' (1" Core)
16xl
Yes
512 KB
Yes
Yes
White (1138)
64 by Dithered Method
5 locations
50
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Same as left
!
MFC390MC
White (1138)
Same as left
Yes, Simple
Yes
Yes
No
Yes
Yes (No secure polling)
Yes, 3 timers
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes, 20 pages
Yes
No
Yes
No
Yes
No
Yes
15 minutes
Yes
Yes, 20 pages
Yes
Yes
Yes
Yes
DSP type
Yes
Yes
I-2
Yes, Included
Yes, Included w/OCR
Same as left
Same as left
Model
Color
FAX-520DT/520MC
Black(1395)/White (1397)*
Modem Speed
14400 bps
Coding Method
MH
Transmission Speed
9 sec.
CCITT Group
G3
Input/Output Width
Max. 216/216
Hold Key
Yes
Automatic Cutter
Yes
ADF Capacity
10 pages
Anti-curl System
Yes
RollPaper
Size(Standard
thermalfTnerma
PLUS)
30 m (1' Core)
LCD Size
16xl
On-screenProgramming
Yes
512 KB
Memory Capacity
Super Rne
Yes
Yes
Smoothing
Gray Scale (levels)
64 byDitheredMethod
5
One-touch Dialing
Speed Dialing
50 locations
TelephoneIndex
Yes
SuperTelephone Index
Yes, 50 locations
Speaker Phone
Yes(onlyfor FAX-520MC)
Fax/TelSwitch
Yes
TAD Interface
Yes
Enlargement/Reduction
No
EnhancedRemoteActivation
Yes
DistinctiveRinging(FaxAbility)
Yes (onlyfor FAX-520MC)
Next-fax Reservation
Yes
Help
Yes,Simple
Yesfor UK/NLD/SWE/NZ
Caller ID (Caller Display)
Yes
AutomaticRedialing
Auto Reduction
No
Multi-resolutionTransmission
Yes
Polling
Yes(w/secure polling)
DelayedTransmission
Yes,3 timers
Yes
Delayed Polling
Yes
Coverpage
Call Reservation
Yes
Yes
Call-backMessage
Yes
ActivityReport
Yes
Auto CNG Detection(New)
Yes
TransmissionVerificationReport
ECM
Yes
Yes
Broadcasting
Yes
Quick Scanning
Out-of-paperReception
Yes, 20 pages
Yes
Multi Copy
MultiTransmission
No
Yes
PCl (Missinglink)
ConfidentialMailbox
No
Yesfor UK/BEL
Power FailureDialing
Yes
Fax Forwarding
No
F_.x-on-demar_
Yes
Fax Retrieval
15 minutes
ICM Recording "rime
Yes
Memo/2-way Recording
Yes,20 pages
Page Memory
Yes
Paging
Yes
Personal Fax Mail box (5)
Yes
Personal Voice Mail Box (5)
Remote Control
Yes
TAD Type
DSP type
Yes
Toll Saver
* FAX-520DT:
Voice-on-demand
Yes
FAX-520MC:
I-3
Black (1395)
White (1397)
CHAPTER
THEORY
Ill.
OF OPERATION
I
I
o.,
I
I
I
I
I
_1
I
•
I
;;:: ....
_
Main PCB Circuit Diagram 1/5
O
SW1, hook switch sensor (microswitch)
(_)
SW2, cover switch sensor (microswitch)
(_)
SW3, paper empty sensor (microswitch)
(_)
Reset IC which turns on at the powering-on sequence and at any of the reset operations.
(_)
Connector for the control panel
(_)
FAX engine (ASIC) which integrates a CPU, digital portion of a MODEM and gate array
for managing the I/Os, memories, and drivers.
(_
XT2, oscillator which oscillates at 16 MHz for the CPU.
(_)
XT1, oscillator which oscillates at 32.768 kHz for the calendar clock.
(_
XT3, oscillator which oscillates at 57.6 MHz for the MODEM.
_)
Connector for the cutter HP sensor
III - 19
"
v[
[
1
_
[
,-
-
I
]
;
®
0
_"
+i+
_4LCal
'""°
,:::
i,.
_'::
°_o
I
;
I
!
I
+
_1
_
I
.,o
!
I
Main PCB Circuit Diagram 2/5
(_)
E2pROM (16k x I bit)
(_
ROM (256k x 8 bits. Note that the qualification machines for demonstration
megabit ROM.)
(_)
DRAM (512k x 8 bits)
Q
Backup circuit for the calendar clock of the control panel and DRAM.
Ill - 20
have a 2-
'_
I
I
[
!,l
I
............
1,I
,,,
I
I
Main PCB Circuit Diagram 315
®
Connector for the CIS
(_)-1:
®-2:
Power for the ClS LED array
O'3:
Trigger signal output. One shot of this signal triggers a line of scan.
LED control signal output circuit which controls the intensity of the CIS LED array.
Input of video data (VID) to the FAX engine
Clamp circuit that gives the bias level to the amplifier of the VlD input circuit according to the CLAMP and CLPWM signals issued by the CPU (that monitors
the current video data input) for compensating the DC component of video signals for the next scan line
®-4:
@
®
®
Clock output
Connector for the thermal recording head
(_)-1:
(_-2:
Power 26V for the thermal recording head
Thermister signals which are normalized by the resistor network and fed to the
FAX engine
(_-3:
Strobe signals
0-4:
Data signals
_-5:
Power 5V for the logic circuit of the thermal recording head
Connector for the motor
Connector for the solenoid (that switches the power transmission)
III - 21
Transistor array which consists of seven transistors
(_)-1:
(_)-2:
(_-3:
(_)-4:
(_)
Transistors that control the rotation direction of the motor _._.u_uing to me MM4
through MM1 signals.
Transistor that turns on and off the solenoid.
The combination of the solenoid state and the motor rotation direction determines to which the motor torque should be transmitted, the cutter, the document
feeding mechanism, or the paper feeding mechanism.
Transistor that turns on and off the CR1 relay for switching on and off the +26V
power source to the thermal recording head.
Transistor that turns on and off the CML relay.
Document front and rear sensor circuitry that is active only while the SEON signal is on.
The LEDs for the sensors are driven by the +26V source.
(_)-1:
(_-2:
PH1, document rear sensor
PH2, document front sensor
!
III - 22
:
J
0
J
]
vt
1
1
I
"'3,.
powe R
.,,_:: ....
....
_
,,_"(_._;,
...... ' ®- i::ii!,i!
I *
: .::.,
r
I1
........
Jh_,,
_°_ _.,
o-, I
T
°_
I
J*. =
,,,.llet
NCU
•
_
I
J
L
_
Main PCB Circuit Diagram 415
0
Connector for the power supply PCB
O-1:
CR1, recording head on/off relay
(_)
3-terminal regulator which eliminates
generate stabilized 5V source.
(_
Connector for the NCU
(_)-1:
(_)-2:
(_)-3:
(_)
unstabilized
components
of the +9V source to
Power for the NCU
Signals to the telephone
Signals from the telephone
Analog signal selectors
(_)-1:
(_)-2:
(_)-3:
Selects
Selects
Selects
ated by
either input signals from the handset or those from the MODEM.
either RL1 or RL2 signals inputted from the communications network.
sound signals (e.g., alarm beeps, key clicks and ringer sounds) generthe FAX engine, hands-free monitor signals, or voice playback signals.
(_
Analog
(_)-1
(_)-2
(_-3
signal selectors
Selects either signals gated by (_-2 or voice signals coming from the handset.
Selects either signals gated by (_-2 or voice playback signals.
Selects either signals gated by (_)-2 or hands-free monitor signals.
(_)
Amplifier circuit for signals outputted from the MODEM
(_)
Analog front end IC which processes the analog I/O signals from/to the MODEM.
(_)
Amplifier & shaper circuit for signals inputted from the communications
(_)
Telephone circuit for transmitting signals.
III - 23
network.
@
Speaker
i:tlwlpli|iel
L;ircult
which
_lHpIitles
_,ounds
Issue(]
lrom
the
c_bovu
,_l_dlOg
slgi_dl
selector (_)-3 and feeds them to the speaker.
@
@
Connector
Speaker
for the speaker
volume
control circuit
(_)-1:VOL1
OFF
ON
ON
_)-2:
OFF
OFF
ON
_)-3:VOL3
OFF
OFF
ON
Speaker volume
High
Medium
Low
VOL2.
III- 23 - 1
(ON: Closed
OFF: Opened)
--
_J_
,
L
.L
v
I
____
__
@
I
I
I
I
t
I
Main PCB Circuit Diagram 515
(_)
Microphone connector
(_)
Amplifier and shaper circuit for signals inputted from the microphone.
(_)
Analog front end IC which processes the analog I/O signals from/to the MODEM.
(_)
Amplifier circuit for signals outputted from the MODEM.
III - 23 - 2
3.3
NCU PCB
The NCU PCB switches the communications
control of the main PCB.
line to telephone or Ioullt-_n ML)DI-M, u_+derthe
I
.tl
TILIL
I
_LRL
I
P*.
:I
T_OFF
J
C,
d
,L.
IJ
+..+ _.I,"
l¢lll
.++O--I.I.L-_c_
10
I,+O.--_--M_
Ii
,I
7,
e,
S.
A.
$.
2,
1.
•
MC: METALLIZIID POLYESTER FILM CAPACITOR
PC: POLYESTER FILM CAPACITOR
CC: CERAMICCAPACITO_
EC: ALUMINUM ELECTROLYTIC CAPACITOR
COMPONENTS IN PARENTHESES NOT TO BE MOUNTED¸
UNLESS OTHERWISE SPECIFIEO, THE VOLTAGE RESISTANCE OF CAPACITORS IS 2SV OR S0V+
UNLESS OTNERWIS£ SPECIFIED, POWER CONSUMP11ONOF RE_ASTORS_S1/4W
,
I
,
I
,
"1
I
s
I
NCU PCB Circuit Diagram (U.S.A. versions)
(_
Surge absorber
(_)
Line relay (CML relay)
(_)
Line transformer
(_)
Circuit related to the line transformer
(_)
High-impedance transformer circuit
(_)
Calling signal detector
(_)
Loop current detector
(_)
Diat pu_se generator
(_)
Telephone circuit
_)
Reference voltage generation circuit for the operational amplifiers in (_) and (_).
@
Noise filters
Ill - 24
e
"
CHAPTER I¥.
DISASSEM
BLY/REASSEMBLY
AND LUBRICATION
1.2
HUM L;over una _atle_y
ASSY
(1)
Insert the tip of the spring huuK a[ tile ueill.e[ ur lell. hal! ol tr_e luL;Klng arm
below, then lift up the hook to release and move the ROM cover to the right.
(2)
Slightly lift up the ROM cover and disconnect the battery harness from the main PCB,
then take out the ROM cover together with the battery ASSY.
(3)
Remove the battery ASSY from the ROM cover.
as
Battery ASSY
Spdng hook
ROM cover
Locking arm
Battery harness
(Hook this area.)
Battery connector
Main PCB
IV-6
shown
(4)
Io taKe out the main PUb or the power supply PCB in Section 1.18, unhook the battery
harness core and cutter HP sensor harness core from bosses "C" and "D," respectively,
at this stage.
Boss"C"
(Unhook the Dowersupply
h#rness core from here.)
Cutter HP sensor
harness
Power supplyharness
I (Rear)
Main PCB
CIS harness
Electrolytic
capacitor
Motor harness
' "F" Rib "E"
Resistors
Boss_D"
(Unhook the cutter HP sensor
harness core from here.)
Solenoid
harness
IV-6-1
Recording
head harness
PE sensor actuator
1.4
Control
Panel ASSY
(1)
Disconnect the main-panel harness and the main-mike harness from the main PCB,
and then take out those harnesses from the groove of the main frame.
(2)
Slightly bring the control panel ASSY back up towards you so that you can release the
panel lock arm from the boss of the main frame. Pull out the panel lock arm to the left
and fully open the control panel ASSY.
Panel lock arm
Boss
,_,
Control panel ASSY
Main-panel harness
and main-mike
harnessrouted
throughthe groove
Main-mike harness
Main-panel harness
Main-mike harness
Main-panel harness
(Main PCB)
IV - 8
(3)
Push the control panel ASSY back and remove it.
Control panel ASSY
Panel lockarm
Main-mike harness
Main-panel harness
•
Reassembling
•
Notes
Make sure that the main-panel harness and main-mike harness are routed through the
groove provided on the recording paper cover and are kept in place with the panel lock
arm, as illustrated on page IV-11.
F¢-8-1
1.5
Recording
Paper Cover, Panel Rear Cover, Control
Panul and Microphone
(1)
Place the control panel ASSY upside down.
(2)
Turn the panel lock arm until the cutout provided in it becomes aligned with the bo_ OT
the arm support, then pull it out to the left.
(3)
Remove the two screws "a" from the recording paper cover and lift up the rear edge of
the cover.
(4)
Remove the ADF parts (ADF film, separator and leaf spring), using the spring hook and
a flat screwdriver. Once removed, they will become unusable and new parts should
have to be put back in.
(5) Remove the four screws "b" from the panel rear cover, then unhook the latch "L" and lift
up the cover.
(6)
To take out the control panel PCB and the FPC key, unlock the LCD cable connector
and disconnect the LCD flat cable.
(7)
To separate the FPC key from the control panel PCB, unlock the FPC key connector
and disconnect the FPC key.
. ,
Na.
?
Recording
papercover
Arm supped
Panel lock arm
ADF parts
(_.
ADF film
Leaf spring
"b"_
_ "b"
"'
Panel rear cover
FPC key
FPC key connector
Control panel PCB
Main-panel
LCD cable connector
harness
Microphone
Control panel
Latch "L"
LCD flat cable
LCD
IV-
9
(8)
Take out thu mlcrot_tlone ,_a its harness trom the control panel.
Bosses
Main-mike harness
(9)
: Control panel
Latches
To take out the LCD, remove the control panel PCB and the FPC key in step (6). As
shown below, insert the tip of a flat screwdriver under clamp "D" in the direction of arrow
R and push up clamp "D" slightly to release the LCD from clamp "C." In the same way,
insert the screwdriver under clamp "A" to release the LCD from clamp "B."
Then push out the LCD with your fingers in the direction of arrow F.
R
/
Flat screwdriver
R
(Front)
' '
7
' "
IIDu
v"
F
Reassembling
.,
!
Notes
•
To put the LCD back into place, insert the tip of a flat screwdriver under clamp "D" (see
the above illustration) in the direction of arrow F, push up clamp "D" slightly, and then put
the right edge of the LCD under clamp "D." In the same way, insert the screwdriver under
clamp "A" to put the left edge of the LCD under clamp "A."
Then push the LCD into place with your fingers in th'e direction of arrow R.
When installing the LCD, take care not to scratch 'or damage the cover sheet. Replace it
if scratched or damaged.
A new LCD is covered with a protection sheet. Before installing it, remove the protection
sheet.
, -
,q
IV-
10
When setting the recording paper cover on the control panel, first insert the right and left
front corners under sections "X" of the control panel and put the cover into place. Make
sure that the main-panel harness and main-mike harness are routed as shown below.
Control panel
"X"
Boss =Y"
Panel lockarm
Recordingpaper cover
Main-panelharness
Main-mike harness
After securing the recording paper cover with the screws, be sure to route the main-panel
harness and the main-mike harness through the groove provided on the recording paper
cover and then set the panel lock arm to keep those harnesses in place, as illustrated
below.
Boss"Y"
L
\
Recording paper cover
Panel lock arm
Main-mike harness
Main-panel harness
IV - 11
1.6
Scanner
(1)
(2)
(3)
FrameASSY
Be sure to swing the recordiny head release lever (blue lever) down to the front pos=tion.
Remove the two screws.
Slightly lift up the rear edge of the scanner frame ASSY and disconnect the following
five harnesses from the main PCB:
•
•
•
•
•
(4)
Cutter home position (HP) sensor harness (2-pin)
ClS harness (7-pin)
Recording head harness (12-pin)
Solenoid harness (2-pin)
Motor harness (6-pin)
Lift up the scanner frame ASSY from the rear and take it out from the main frame.
NOTE:
Do not hold the lower paper chute but the upper paper chute.
per chute is easily deformed.
The lower pa-
handling
Upper paperchute
(Hold here.)
Scanner frame ASSY
Lower paper chute
(Do not hold here.)
frame
liB.
(NCU connector)
ACS grounding spring
Cutter HP sensor harness (2-pin)
or--]
Recording
J
head
harness
(12-pin)
ClS harness (7-pin)
/
\
Main PCB
Solenoid harness (2-pin)
Motor harness (6-pin)
[V-
12
(5)
•
Litt up the ACS gluulldlny
Reassembling
_prlny.
Notes
Before putting the scanner frame ASS¥ 0ack, onto the main frame, be sure to set the ,_L;S
grounding spring as illustrated on the previous page.
Make sure that tabs "A" of the scanner frame ASSY are fitted in cutouts "B" provided in
the main frame. (See the illustration on the previous page.)
After putting the scanner frame ASSY back onto the main frame, route the harnesses and
arrange the cores as follows, referring to the illustration below.
Hook the power supply harness core on boss "C."
-
Check that the cutter HP sensor harness runs through a core, and then hook the core
on boss "D."
-
Push the ClS harness core and the recording head hamess core into position, to the
left of rib "E" and behind relay "F."
-
Route all these harnesses under boss "D."
If any of these harnesses and cores are out of the specified position, the scanner frame
ASSY or ROM cover may not be put back into place.
After connecting these harnesses, check that neither the electrolytic capacitor nor resistors are tilted towards the PE sensor actuator. If tilted, they may interfere with normal operation of the sensor actuator.
Boss=C"
Cutter HP sensor
harness
Power supplyharness
I (Rear)
Main PCB
CIS harness
Electrolytic
capacitor
Motor harness
Relay
BOSS
"D"
Sotenoid
harness
IV-
=F" Rib =E"
Resistors
Recording
head harness
13
PE sensor
actuator
1.1_
Main PCB, NCU PCB and Power Supply
PCB
If you have already removed the scanner frame ASSY and speaker, slightly lift up the main
PCB together with the NCU PCB and then disconnect the power supply harness from the
main PCB. If the scanner frame ASSY and speaker, are not yet removed, follow the steps
below:
(1)
Slightly lift up the rear edge of the NCU PCB and disconnect it from the main PCB.
PowersupplyPCB
PCB
Power supplyharness
Main frame
(placedupsidedown)
Main PCB
(Front)
NCU connector
(Rear edge)
Battery harness (2-pin)
Cutter HP sensor harness
(2-pin)
Recording head harness
Main-mike
(2-pin)
ClS harness (7-pin)
harness
Speaker harness
(2-pin)
Main PCB
Main-panel harness
(5-pin)
Motor harness
(6-pin)
Power supply harness
(6-pin)
IV - 26
Solenoid harness (2-pin)
Attempt, to Iitt up ttlu luain PCB slightly. It it is impossible to lift up the PCB to an extent
which allows you to disconnect the harnesses, you may not have unhooked the power
supply harness core or cutter HP sensor harness core from bosses "C" or "D," respectively. Remove the ROM cover (refer to Section 1.2) and unhook those cores from
bosses =C" and "D" illustrated below.
(Unhook the DowerSuoDly
harness core from here.)
_utter HP sensor
harness
power suoolyharness
(Rear)
Main PCB
ClS harness
Electrolytic
capacitor
Motor harness
Relay =P Rib "1
(Unhook the cutter HP sensor
h_,rnesscore from here.)
(3)
Solenoid
harness
Resistors
Recording
head harness
PE sensor actuator
Slightly lift up the rear edge of the main PCB and disconnect the following harnesses
from the main PCB:
• Cutter home position (HP) sensor harness (2-pin)
• Main-panel harness (5-pin)
• Main-mike harness (2-pin)
• Speaker harness (2-pin)
• Motor harness (6-pin)
• Power supply harness (6-pin)
• Solenoid harness (2-pin)
• Recording head harness (12-pin)
• ClS harness (7-pin)
(4) Lift up the power supply PCB.
IV - 26 - 1
•
Reassembling
Notes
Make sure that the power supply PCB is completely fitted in the resin PCB supports of the
main frame. If it is loosely mounted so that it comes into contact with the bottom plate, a
short circuit may occur.
After putting the scanner frame ASSY back onto the main frame, route the harnesses and
arrange the cores as follows, referring to the illustration given on the previous page.
-
Hook the power supply harness core on boss "C."
-
Check that the cutter HP sensor harness runs through a core, and then hook the core
on boss "D."
Push the ClS harness core and the recording head harness core to the left of rib "E"
and behind relay "F."
Route all these hamesses under boss "D."
If any of these harnesses and cores are out of the specified position, the scanner frame
ASSY or ROM cover may not be put back into place.
After connecting these harnesses, check that neither the electrolytic capacitor nor resistors are tilted towards the PE sensor actuator. If tilted, they may interfere with normal
operation of the sensor actuator.
IV - 26 - 2
CHAPTER
MAINTENANCE
V.
MODE
WSW26
Selector
No.
2
(Function setting 4)
Function
Setting and Specifications
Application of DC wetting pulse
0:
OFF
1"
Overvoltage limiter at the applying time of a wetting pulse
0:
ON
1:
ON
OFF
i
3
Not used.
4
5
0
0
1
1
0
1
0
1
(when the line is connected via
the external telephone in the
external TAD mode or via the
facsirnile equipment in F/T mode)
6
0
0
1
11
7
0
1
0
FAX reception after the time-out of
pseudo rinq backtones in F/T mode ....
0;
YES
NO.
No. of CNG cycles to be detected
(when the line is connected via the
external telephone except in the
external TAD mode)
No. of CNG cycles to be detected
_,_;_
No.
:
:
:
:
No detection
1
1.5
2
(A)
(B)
(C)
(D)
:
:
:
:
0.5
1
1.5
2
(A)
(B)
(C)
(D)
1"
NO
=
T,,,,, .....
Selectors 1 and 2: Application of DC wetting pulse and overvoltage limiter
These selectors take effect only when the UK version of the facsimile equipment is set up for
the British Telecom's caller ID service or its equivalent.
Selector 2 takes effect only when selector I is set to "1 ."
•
Selectors 4 and 5:
No. of CNG cycles to be detected
The equipment interprets a CNG as an effective signal if it detects a CNG signal by the number of cycles specified by these selectors when the line is connected via the external telephone except in the external TAD mode.
Selectors 6 and 7: No, of CNG cycles to be detected (For those models not equipped with a
built-in TAD)
The equipment interprets a CNG as an effective signal if it detects a CNG signal by the number of cycles specified by these selectors when the line is connected via the external telephone in the external TAD mode or via the facsimile equipment in F/T mode.
Selector 8: FAX reception after the time-out of pseudo ring bscktones In F/T mode
If this selector is set to "0," the equipment enters the facsimile receive mode after issuing
pseudo ring backtones. If it is set to "1," the equipment disconnects the line after issuing
pseudo ring backtones.
V - 37
FAX-270MC/290MC
,o
A4 8.5'
FAX-290MC
Record
Emso
• Play
co:ce:<22e
L_ S.Volume
_l H
Hold
ABC
DEF
JKL
MNO
Function
co C* @° @*
co @, @o@o
c, Q, @o@®
co C_ @° @,
Redial/Pau*e
SpeedDial
GHI
_'QRS
TUV
Tel-index
CO
1
CO
2
3
Hetp/Q.Scan
Ce
4
5
CO CO C@ Ce CO
WXYZ
Stop
Copy
Starl
SpeakerPhone
m
FAX-520DT
i
bl13b'3e¢
u i
i
i| i
i ii iii
iii
i
ii
i
,G
FAX-520DT
Record
Era_
• Play
co-ce-c2e
Mute
AIC
DEF
co Co @o@*
co Q,, Co @o
c. C. Co Co
co @. Co @o
j(
Redtal,/Pagm
GHI
tQgS
JKL
TUV
_
MNO
A
Co
_
B
Help/Memory
C
D
WXYZ
Stop
Spoak_ Phone
Tone
V-46-
E
CO CO CO CO CO
1
Copy
Start
i
•
I-AX-b2UIVIL,;
FAX-520MC
Record
Erase
co-co-co
ABC
Recatl
GHI
JKL
DEF
MNO
c., Co @,,@o
c. Q, @,,Co
co @oCo @o
Redial/Pause
PQRS
TUV
• Play
A
B
C
D
E
CO CO C@ CO CO
WXYZ
Stop
Copy
$1art
SpeakerPhone
Tone
MFC370MC/390MC
_:-_
_o.c
Record
Erase
• Play
CO=CO=C2@
LI_ S.Volurne
_ H
Hold
Auc
DEF
co C. C° @.
co C" Q' @°
co C" @oQ,
Rocllal/Pause
SpeedDial
GHI
PQRS
JKL
TUV
MNO
Function
Tel.index
Help/Q.Scan
CO
CO
CO
I
2
3
4
5
Co CO C@ Ce Co
WXYZ
SpeakerPhone
V-46-2
Stop
Copy
Start
3.10
Document
Draw Adjustment
After reptacement of the main PCB or CIS, or it data _to,ud in the EzPHOM is damaged, you ,,uud to
carry out this procedure.
•
Function
This function adjusts how much the document is drawn in, starting at the point when the
document rear sensor is turned on until the leading edge of the document reaches the scanning start position.
•
Operating Procedure
(1)
In the initial maintenance mode, set the T0-025 chart on the document stacker.
The message "DOC.READY" appears on the LCD.
(2)
Press the _
key.
The equipment beeps and draws in the TC-025 chart to the scanning start position.
While drawing it in, the equipment counts patterns on the chart to determine the amount
of draw.
Upon completion of normal counting, the equipment shows the message "COPYING
P.01" on the LCD and begins copying the TC-025 chart. The message "REAR SENSOR IS ADJUSTED" and the copied image will be printed out on recording paper as
shown below.
If any error occurs during counting, the message "MACHINEERROR AB" appears on
the LCD, with no copying of the TC-025 chart onto the recording paper taking place.
However, only the message "REAR SENSOR IS ADJUSTED" will be printed out.
TC=_25
1996.8.29
im:'-"_
i lllililll
/
I_
r I'
"c731snr(I
SI
105N35
Printout after Normal Completion of Document Draw Adjustment
V-48-1
FAX-270MCI290MCI520DTI520MC
MFC370MC/390MC
APPENDICES
L;irL;ult Diagrams
A.
Main PCB
B. Network Control Unit (NCU) PCB
C. Control Panel PCB
z
1. *:
REFER
L_
3
4
/
8
TO MAIN 6/6.
# 6
T7D60
RST
FI]CCON
£VOO
EXTL
REXT
XTL
RXT
RAS0
cAs
CRXD
B_MW_
CKS
SARMRD
TXO
RXO
_M_
CTS
RMWE
ROMC
MM1
O_O
MM2
OWE
_M3
GND
MM4
'CLK
#8
SDOUT
T7D60
SOI_
TSTA
TSTB
I ORO
MI
Oo(PWM)
R143
ADPDMD
100
ADMD
14
MI
O2(PWM)
DPDMDT
MI
O3
DPDMCK
MI
04
APDMCK
MI
05
APDMDT
M_
01
AA,_
_R141
100
DM
8AKCLK
_R142
2OO
AMK
AM_
B_ENB
\
C1
RFSH
CO
DPS
AMUT
MODEMTBUS
SeD
MUTE
--_4SA,
DAST
LIGT(PWM)
U_6
3C0
_0_
eoe
MEXTL
e
*9
9
Tq/4VHCU04F
112
13
MTXL
EON(OD)
SEN2
D^0
i00
RA_
DA0
•
SEN3
DA1
110
RAZ
0At
.
EN4
R4 I
4
7 K
DA2
SENS
CA3
Ile
_3
o_3
RSO
SEN6
DA4
113
RA2
DA4
220
11s
SEN7
DAS
SEN8
DA6
RA2
DA5
A0
HOOK
AI
Cl
A2
TLOF
A3
ST_
A4
RiNG
AS
SPON
Ae
E2CS
A7
PO_
(OD_
O
A13
A14
MX0V
---_>ABUS
AIS
HDC
O00
RMt
MA16
DIN
O01
RM_
MA17
DOUT
D02
RM3
MA16
D03
RM4
D05
SPSL(SMC)
O0_
RDAT
_IND
D07
CL2
VDD
CL1
VDO
CLB
VDD
R8
VDD
DIF
rod
L15
ODPI
O0
ODPI
01
PI OI
ODPI
O2
PI
O2
ODPI
O3
PI
O3(SRAM)
ODPI
O4
PI
O4 (OD)
PIOS
FDCLK
PIO8
FOOUT
MMZR601A
FDIN
R69
FCSl
1OK
16B
TO
VDD
EITI
--O÷SM
VDD
330
CP31_
RDA61
VDD
CPll
VDD
Cp$1
CP41
VSS
CPNN
VSS
VSS
RDA6
VSS
AVOO
VSS
AVOD
VSS
REFH
C37
104
VSS
REFL
VBS
AGeD
VSS
AGND
GND
_>SBUS
VSS
VSS
I
31D
AI2
P03
e
D04
E0V
WR
A_I
PO_
STe
GND
14e
AS
DA9
E1CS
Not mounted.
A10
C43
_00Da
+S
__
A_
5?6MHz
DAS
ST1
TEL
XT3
DAB
R14S
_
CK16
MI
CTX0
DA7
_0
MREQ
PLS
AMUTE
MUT
42F
INT
BSaO
WA_T
13
MONMDCK
B_KSEL
CML
C_
MVSS
NMI
BSAK
MVDO
ONO
WR
BAVDD
SOL
(O0)
PWON
C3
_
O +5
I ORQ
RD
LNCR(CO_P_
C4
M1013
125
CKSM
T
_MK _
cs
Or2
CKIe
2OO
C4
MI
MREO
CK_2
_R_40
C3
_
CK_2ON
T
J
46
GND
FCSZ
PBUS
26B34D
,
1. *:
REFER
I
C_
2
5
4
L
__
TO MAIN 6/6.
Xl3
_PD27C2001A
OA8
30
DA7
0E
AI7
AlS
I-DA6
I
OA5
I
_4
flMf4D
22
ROMC
_s
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-CE
RI
09
AlS
_0
DA4
2n
(
A14
DS:
'O4
NC
-PGM
A13
RI09
DA3
A12
At I
--_CTF
2S
All
AI 0
23
A9
_B
A8
_7
A7
S
AS
e
AS
7
A4
I
A3
o
A2
IO
A0
NC
VCC
÷5
VPP
AIO
A00
OnO
I04
.. TI.o..
;: 222
:,
A08
A07
O7
A06
O6
A0S
DS
A04
D4
A03
D3
A02
02"
A0t
0_
A00
DO
12
ig
D5
le
D4
I?
03
IS
o2
I*
O1
13
DO
',2::1:
4
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*#7
24LC32
a_US
,Tu
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i
,,
•
lss37e
_2_1[
....
12
+SB
L,a
BAP
9104
PI_
BARMWE
vcc
w
vcc
OE
GND
CAS
IK
T
c
2
_16A
nc
BARMRD
_I6B
oo
CAS
_16A
RAS0
GND
OA
RAS
c7_
PH
+_
Z
_16A
_i_
Ag
NC
A8
NC
GNO
_/
A7
/--
B2e-
_7
07
AS
,/o7
AS
1/06
A4
I105
24
04
A3
1104
s
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A2
11o3
4
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1102
3
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2
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•
14u
#14
HM514S00JP
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6
F
_
E
I
J_
2
5
6
1. *: REFER TO MAIN 6/6.
cls
p7
a7aPH
o_
R0V
Not mounted.
RI_0
",2_
',0
IJ2W
+,,,,
_
TG
13E
sO_
c_oa
#IS
÷
c_0_
aND
,04
R,31
IO0
nov
,°T_z,
o
_ LOW
• AI16
,o--
.....
I
1
:
i
i
i
+R5
......
I
R_29
:
i
I.......
__
C5
6
_
4K
_
.R__
REAR
AVDD
104
i
ii .......
I
O'O----
_
.r
._121
.c
' :'C21
.o6
NC
"R134
3e
s*_P
ROAT
AGNO
R0V
3r6
vlD
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3_eTD _
T_IO
S_
po_JPP4
ABUS
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R
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;_
3
170
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[_
A8
12
5
j__
4
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A4
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=
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c_
P
I_D
*
_9
zo
^3
_.EO, PPO
A_
A_
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AO
CLK_
CLKI
'RI14
.
I
I
/.o,
.
N¢
%
j,
c_Pw_
_,_o
SBUS
=
I_D
s_c
CLK
nS
13D
E_cs
OCS
s.
_6E
SRA_
acs
He
I
MREO
OE
DZ
ME
OS
_D
O 5
_7
RO
WR
WR
04
4
O3
CK16
D2
RESET
H_ev
02
RSTL
"o'
O'
CP31
O _
_
C_3
®_-
ol
•_[_T
VDD
DO
VOD
VDO
OGND
.
_°:.°
0
......
_v
3
OGNO
DGND
DeNO
OO_O
°'
O _
r
_[_ M_t J s
2
M_US
is
IN_
_
i_3
14
M_2
13
/
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"°1
1
12
°" _"_°
os
[
HDC
IN_
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s
SOL
e
Pwo_
7
c
MLH
<_c
---o7
,0oi '-'T
I'_°'.......
.,_,_o
O____+_____
p0V
P3
B2BPH
SOL
P_
.o.:,
_[_
A
i
L_
6
DI
DeUS
lo
MAIN 3/6
'_14E
1 .
___
5
2
__
7
1. *: REFER TO MAIN 616.
P1
0
B5BPH
POWER
#4
BA10324F
s
_
<
,
<
_
I
l
.° I2
i
--_
T_OUT
A_V.DT
C_
,,
c=
/
,_
c,
/
,=
c,
/
#6
±
#3
TC35133F
74HC4053
74
#4
BA10324F
....
5_
_._
.....
I
"P2
9110S12L
NCU
I
A
MAIN 416
B2
BPH
1
1. *: REFER TO MAIN 6/6.
I
I
ozz
110
c_sE_
,_
1o o_
1 gt,
g 0
a 0
ii
""
......
""
,6c
CLS_L
CTSL__
TELSt
o }
44c
D
1
L
CtSL_
I
k
*5
ct Rs-r
6
iio
o
CLC_
ITD
'_C
CLTXS
e0_
170
CLCK
ITE
ClSSY
aND
2 o
i
CLRXS
-J
,5
_
_
o
i ......
o
=
o
o
=
c_
_ND
C_4
RXI_^
I*0
VSI_S
"_?_
TELSL
5_B
°'___
NC
c3
VSS,
c_
1_
vsst
c_
.PO
MUTE
C_
S
_o
14AP
_STL
R67
USSL
C60
A
MAIN 5/6
L
]
±
FAX-270MC/290MC,
MFC370MC/390MC
S . ASSY
PAGE
J
01
FAX-520DT'
520MC
S.ASSY
,
- - - .....
FAX-520DT
,.
11
v_L -
*2
S.ASSY
13
NO.
P13
PCI
FG
PWM
87
180-X88
L2,
L5
MMZR60IA
LS,
L9
87180-X88
87180-X88
MMZR601A
MMZR6OIA
MMZR601A
MMZR601A
L7,L10
0o
Oo
Oo
L6
MMZR601A
MMZR6OIA
MMZR6OIA
Lll
MMZR601A
MMZR601A
MMZR6OIA
L3
0o
Oo
OQ
lOko
lOkQ
CC104
CC104
CCI04
CC104
CCI04
CO 104
R78
X
- C27
C67
0o
X
C80
0o
RTI/TTI,
p5
X
READ
_..._
X
MMZR6OIA
X
X
X
X
EEPROM
#7
EEP24LC16
EEP24LC16
ROM/2M
R109
Oo
0o
ROM/4M
F1107
X
X
[---_,
x
×
X
X
X
X
Rl16
¢103
READ
FET2SK1399
FET2SKI399
FET2SK1399
Q9
2SC3052
2SC3052
2SC3052
KRCI07S
KRC107S
KRCI07S
Q10
ZD5
02CZ2.
02CZ2.0Z
02CZ2.
D6
1SS120
1SS120
lSS120
Rl10
1Ko
1Ko
1Ko
R111
2 . 2Ko
2.
Rl14
22Ko
22Ko
Rl18
10Kn
10Ko
10Ko
R121
2Ko
2Ko
2Ko
470_
470o
R137
R132
cg5
c=o,t
OZ
4700
470o
2Ko
2.
2Ka
470o
470o
CC_04
CC104
C97
10, u
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R1 24
300o
300o
300o
2 . 2Ko
2.2K_
2 . 2K_
9110S-18L
9110S-18L
200KQ
200Ko
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R14
9110S200Ko
12L
Q2
X
FET2SK208
FET2SK208
D2
D4
X
lSS120
1SS120
R36
R41
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X
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22Ko
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X
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R_25
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X
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x
680_
×
47K_
CC681
CC122
1KQ
22Ko
X
×
122
KQ
"1 For versions other than those given in *2
*2 For the UK//CYP/BEL versions
A
MAIN 6/6
]
3
I
÷2P
J
RA35TX2
3
C3
CC222
C1
EC I 0P
16v
2
C4
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NCUS
i
i
L2
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5
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or
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FL5R200PNX2
FG
FG
S_YB4
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RL1
R9
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6
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C8
JW
lOOK
_RI6
C9
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2
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JW16
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6-2PMJ
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I
4
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PC2
i
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PLUG
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12
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c
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3
CML
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or
PS252
TLP320[_
7
FL5R2OOPN
FG
or
PC3
4
RL2
or
SBT0260
c?
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+5V
lo
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CC104
I
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or
FLSR200PNX4
R2610K_£
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CC223
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27K
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6. 2
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4
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REF
MC: METALLIZED POLYESTER FILM CAPACITOR
PC: POLYESTER FILM CAPACITOR
CC: CERAMIC CAPACITOR
EC: ALUMINUM ELECTROLYTIC CAPACITOR
COMPONENTS IN PARENTHESES NOT TO BE MOUNTED.
UNLESS OTHERWISE SPECIFIED, THE VOLTAGE RESISTANCE OF CAPACITORS IS 25V OR 50V.
UNLESS OTHERWISE SPECIFIED, POWER CONSUMPTION OF RESISTORS IS 1/4W.
_
|
35
. 3K
SOV
P1
6
6033B-
SOV
NCU
12Z
A
A
R3
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W
GNO
PI
b2089-1220
BU12102
PNL
5V
D"
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1
G.o,11
RST
r
............
7
KOI
RS
D _2
1
KO2
RW
El-'
KO3
D5
KO4
i
i
I
i
i
6
E
0
L_CD0
J
KO5
B
L_OI
D9
31
D7
32
O3
25
19
KI
0
B
L_D2
24
KI
1
L
CD3
8
K_2
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23
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3
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7
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0
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0
KI
1
KI
2
KI
3
DIN
KOI
--
KO1
S W2
DOUT
P3
KO2
1 3
S58PH
--
0
KO2
eLK
KO3
--
470
KO3
D°
D_
I
I
D°
I
o,
iiI
I
J
--
lO
KO5
11
,
/ T
00104
GND
12
_
N
_-_
0
K O6
o
O
KO4
SW4
O
30
P O1
29
LED2
PO0
LED1
C2
13"
K O5
OD
oc,o,T T T.._
[3'
--
.sVOic,
O_
SW3
g
K94
SLR-
342VR
BR2272S
GND
C
GNO
D
C
l
CONTROL PANEL 1/2
6
PF
PANEL
KEY
KEY
MATRI
KEY
NO.
NAME
MC
1
X
KEY
COE
OB
.qr_--
4
oc
SET
04
5
03
6
HOOK
({_)
IOKEY-1
OE
8
IOKEY-2
06
IOKEY-3
10
HOLD
11
PF
PANEL
KEY
MA]
RI
X
HEF
E RE
NCE
]
AB
L E
2
1 E
7
9
1
1B
RESOLUTION
3
TABLE
(CL)
MODE
2
REFERENCE
KO0
P1-
26
(PAUSE)
IOKEY-4
19
KI
0
09
P1
KO1
4P
P1-
KO2
2P
P1-
12P
KO3
P1-
KO4
1P
P1-
KO5
5P
P1-
11P
KO6
PCB
12
11
10
13
28
SWl
16
15
14
17
31
SW2
5
2
1
22
23
SW3
4
3
24
25
26
SW4
20
19
32
18
21
30
8
7
29
6
9
27
- 9P
B
12
IOKEY-5
01
13
IOKEY-6
21
14
REDIAL/PAUSE
15
IOKEY-7
OA
16
IOKEY-8
02
(HOLD)
1 A
KI
P1
18
IOKEY-9
SPEAO
DIAL(HOOK)
1 D
KI
P1-
IOKEY-*
OD
20
10KEY-O
05
21
IOKEY-#
25
23
24
TEL-INDEX
HELP
3P
3
10P
4
- 8P
23
2B
14
25
1TOUCH-1
24
26
1TOUCH-2
2C
27
1TOUCH-3
2E
28
1TOUCH-4
29
29
1TOUCH-5
16
3o
STOP
2D
31
COPY
2A
32
START
15
SW1
MCMODE
31
sw2
PLAY
32
sw3
ERASE
33
RECORD
34
S W4
-
KI
P1
FUNCTION
2
22
19
22
- 7P
KI
P1
17
1
KI
P1
5
-
6P
PANEL
i
C
I
ONTROL
I
212
Dec_mb_T
'_b
5XLS15
Printed
in Japaz_
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