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

User Manual: Brother FAX-270MC FAX-270MC BROTHER FAX MACHINE - Manuals and Guides View the owners manual for your BROTHER FAX MACHINE #FAX270MC. Home:Computer & Office Equipment Parts:Brother Parts:Brother FAX MACHINE Manual

Open the PDF directly: View PDF PDF.
Page Count: 54

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 I.
GENERAL DESCRIPTION
2. SPECIFICATIONS
Model
Color
Modem Speed
CodingMethod
TransmissionSpeed
CCITT Group
Input/OutputWidth
HoldKey
AutomaticCutter
ADF Capacity
Anti-curlSystem
RollPaperSize(Standardthermalf_ermaPLUS)
LCD Size
On-screenProgramming
MemoryCapacity
Super Rne
Smoothing
GreyScale (levels)
One-touchDialing
SpeedDialing
TelephoneIndex
SuperTelephoneIndex
Speaker Phone
Fax/TelSwitch
TAD Interface
Enlargement/Reduction
EnhancedRemoteActivation
DistinctiveRinging(FAX Ability)
Next-faxReservation
Help
Caller ID (Caller Display)
AutomaticRedialing
AutoReduction
Multi-resolutionTransmission
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 15
Memo/2-wayRecording
Page Memory Yes,
Paging
PersonalFax Mail box(5)
PersonalVoice Mail Box(5)
RemoteControl
TADType
TollSaver
Voice-on-demand
FAX-270MC/290MC
Black (1395)
14400 bps
MH
9 sec.
G3
Max. 216/216 mm
Yes
Yes
10pages
Yes
98' (1" Core)
16xl
Yes
512 KB
Yes
Yes
64 by Dithered Method
5 locations
50
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
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
minutes
Yes
20 pages
Yes
Yes
Yes
Yes
DSP type
Yes
Yes
MFC370MC
White (1138)
Same as left
Yes, Included
!MFC390MC
White (1138)
Same as left
Same as left
I-2
Same as left
Yes, Included w/OCR
Model
Color
Modem Speed
Coding Method
Transmission Speed
CCITT Group
Input/Output Width
Hold Key
Automatic Cutter
ADF Capacity
Anti-curl System
RollPaperSize(StandardthermalfTnermaPLUS)
LCD Size
On-screenProgramming
Memory Capacity
Super Rne
Smoothing
Gray Scale (levels)
One-touchDialing
Speed Dialing
TelephoneIndex
SuperTelephoneIndex
Speaker Phone
Fax/TelSwitch
TAD Interface
Enlargement/Reduction
EnhancedRemoteActivation
DistinctiveRinging(FaxAbility)
Next-fax Reservation
Help
Caller ID (Caller Display)
AutomaticRedialing
Auto Reduction
Multi-resolutionTransmission
Polling
DelayedTransmission
Delayed Polling
Coverpage
Call Reservation
Call-backMessage
ActivityReport
Auto CNG Detection(New)
TransmissionVerificationReport
ECM
Broadcasting
Quick Scanning
Out-of-paperReception
Multi Copy
MultiTransmission
PCl (Missinglink)
ConfidentialMailbox
PowerFailureDialing
FaxForwarding
F_.x-on-demar_
Fax Retrieval
ICM Recording "rime
Memo/2-way Recording
Page Memory
Paging
Personal Fax Mail box (5)
Personal Voice Mail Box (5)
Remote Control
TAD Type
Toll Saver
Voice-on-demand
FAX-520DT/520MC
Black(1395)/White(1397)*
14400 bps
MH
9 sec.
G3
Max.216/216
Yes
Yes
10 pages
Yes
30 m(1' Core)
16xl
Yes
512 KB
Yes
Yes
64 byDitheredMethod
5
50 locations
Yes
Yes, 50 locations
Yes(onlyfor FAX-520MC)
Yes
Yes
No
Yes
Yes (onlyfor FAX-520MC)
Yes
Yes,Simple
Yesfor UK/NLD/SWE/NZ
Yes
No
Yes
Yes(w/secure polling)
Yes,3 timers
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes, 20 pages
Yes
No
Yes
No
Yesfor UK/BEL
Yes
No
Yes
15 minutes
Yes
Yes,20 pages
Yes
Yes
Yes
Yes
DSP type
Yes
Yes
I-3
* FAX-520DT: Black (1395)
FAX-520MC: White (1397)
CHAPTER Ill.
THEORY OF OPERATION
IIIII_1
I I
o., ;;:: ....
I • I _ "
Main PCB Circuit Diagram 1/5
OSW1, 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 opera-
tions.
(_) 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
1[v[ _ [ ,- - I ] ;
®
_"
'""° i,.
,::: _'::
0
+i+
_4LCal
°_o .,o
I; I!I+_1 _ I! I
Main PCB Circuit Diagram 2/5
(_) E2pROM (16k x I bit)
(_ ROM (256k x 8 bits. Note that the qualification machines for demonstration have a 2-
megabit ROM.)
(_) DRAM (512k x 8 bits)
Q Backup circuit for the calendar clock of the control panel and DRAM.
Ill - 20
'_ I I [ I
!,l ............
,,,
1,I
I I
Main PCB Circuit Diagram 315
® Connector for the CIS
@
®
®
(_)-1:
®-2:
O'3:
®-4:
Power for the ClS LED array
Clock output
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 ar-
ray.
Input of video data (VID) to the FAX engine
Clamp circuit that gives the bias level to the amplifier of the VlD input circuit ac-
cording to the CLAMP and CLPWM signals issued by the CPU (that monitors
the current video data input) for compensating the DC component of video sig-
nals for the next scan line
Connector for the thermal recording head
(_)-1: Power 26V for the thermal recording head
(_-2: 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: Transistors that control the rotation direction of the motor _._.u_uing to me MM4
through MM1 signals.
(_)-2: Transistor that turns on and off the solenoid.
The combination of the solenoid state and the motor rotation direction deter-
mines to which the motor torque should be transmitted, the cutter, the document
feeding mechanism, or the paper feeding mechanism.
(_-3: Transistor that turns on and off the CR1 relay for switching on and off the +26V
power source to the thermal recording head.
(_)-4: 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: PH1, document rear sensor
(_-2: PH2, document front sensor
! :
III -22
J 0 J ] vt 1 1I
"'3,.
powe R .,,_:: ....
.... r
I*I1 ........
_ ,,_"(_._;,...... ' ®- i::ii!,i! :.::.,
_°_ _., T
°_
Jh_,, I
J*.=
o-, I
,,,.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 unstabilized components of the +9V source to
generate stabilized 5V source.
(_ Connector for the NCU
(_)-1: Power for the NCU
(_)-2: Signals to the telephone
(_)-3: Signals from the telephone
(_) Analog signal selectors
(_)-1: Selects either input signals from the handset or those from the MODEM.
(_)-2: Selects either RL1 or RL2 signals inputted from the communications network.
(_)-3: Selects sound signals (e.g., alarm beeps, key clicks and ringer sounds) gener-
ated by the FAX engine, hands-free monitor signals, or voice playback signals.
(_ Analog signal selectors
(_)-1 Selects either signals gated by (_-2 or voice signals coming from the handset.
(_)-2 Selects either signals gated by (_-2 or voice playback signals.
(_-3 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 network.
(_) Telephone circuit for transmitting signals.
III - 23
@
@
@
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 for the speaker
Speaker volume control circuit
(_)-1:VOL1 OFF
_)-2: VOL2. OFF
_)-3:VOL3 OFF
Speaker volume High
ON ON
OFF ON
OFF ON
Medium Low (ON: Closed OFF: Opened)
III- 23 - 1
-- _J_ , L.L v I ____ __
@
IIIItI
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 circuitfor signals outputted from the MODEM.
III - 23 - 2
3.3 NCU PCB
The NCU PCB switches the communications line to telephone or Ioullt-_nML)DI-M, u_+derthe
control of the main PCB.
.tl
TILIL
_LRL
P*.
T_OFF
C,
,L.
+..+ _.I,"
l¢lll
.++O--I.I.L-_c_
I,+O.--_--M_
I
I
I
:I
J
d
IJ
10
Ii
,I
7, MC: METALLIZIID POLYESTER FILM CAPACITOR
e, PC: POLYESTER FILM CAPACITOR
S. CC: CERAMICCAPACITO_
A. EC: ALUMINUM ELECTROLYTIC CAPACITOR
$. COMPONENTS IN PARENTHESES NOT TO BE MOUNTED¸
2, UNLESS OTHERWISE SPECIFIEO, THE VOLTAGE RESISTANCE OF CAPACITORS IS 2SVOR S0V+
1. UNLESS OTNERWIS£ SPECIFIED, POWER CONSUMP11ONOF RE_ASTORS_S1/4W
• , I,I, "1 IsIe"
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
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 as shown
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.
Battery ASSY
Spdnghook ROM cover
Locking arm
Battery harness
(Hook this area.)
Main PCB
Battery connector
IV-6
(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.) Powersupplyharness
I (Rear)
Cutter HP sensor
harness
Main PCB
Motor harness
Boss_D"
(Unhook the cutterHP sensor
harness corefrom here.)
' "F" Rib "E" Resistors
Solenoid Recording
harness head harness
CIS harness
Electrolytic
capacitor
PE sensor actuator
IV-6-1
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.
Panellockarm 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
Main-mike harness
Main-panelharness
Panel lockarm
•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)
(5)
(6)
(7)
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.
Remove the four screws "b" from the panel rear cover, then unhook the latch "L" and lift
up the cover.
To take out the control panel PCB and the FPC key, unlock the LCD cable connector
and disconnect the LCD flat cable.
To separate the FPC key from the control panel PCB, unlock the FPC key connector
and disconnect the FPC key. . ,
Arm supped
Recording
papercover
Na.
?
Panel lock arm
ADF parts (_. ADF film
Leaf spring _ "b"
"b"_ "'
Panelrearcover
Main-panel harness
Latch "L"
FPC key
FPC key connector
Control panel PCB
LCD cable connector
Microphone
Control panel
LCD flat cable
LCD
IV- 9
(8) Take out thu mlcrot_tlone ,_a its harness trom the control panel.
Bosses
Main-mike harness Latches :Control panel
(9) 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
Flatscrewdriver
(Front)
R
Reassembling Notes
' ' 7 '"IIDu
v"
F.,
!•
To put the LCD back into place, insert the tip of aflat 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." Inthe 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.
Anew 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"
Panel lock arm
L\
Recording paper cover
Main-panel harness
Main-mike harness
IV -11
1.6 Scanner FrameASSY
(1)
(2)
(3)
(4)
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:
• 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. The lower pa-
per chute is easily deformed.
Upperpaperchute
(Hold here.)
handling
Scanner frame ASSY
Lower paper chute
(Do not hold here.)
frame
liB.
(NCU connector) ACS grounding spring
Cutter HP sensor harness (2-pin)
or--]
/ \
Main PCB
Motor harness (6-pin)
Recording head harness
J (12-pin)
ClS harness (7-pin)
Solenoid harness (2-pin)
[V- 12
(5) Litt up the ACS gluulldlny _prlny.
•Reassembling 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 resis-
tors are tilted towards the PE sensor actuator. If tilted, they may interfere with normal op-
eration of the sensor actuator.
Cutter HP sensor
Boss=C" Powersupplyharness harness
Motor harness
BOSS "D"
I (Rear)
Relay =F" Rib =E" Resistors
Sotenoid Recording
harness head harness
Main PCB
CIS harness
Electrolytic
capacitor
PE sensor actuator
IV- 13
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)
Main-mike harness
(2-pin)
Speaker harness
(2-pin)
Main PCB
Main-panel harness Motor harness Power supply harness
(5-pin) (6-pin) (6-pin)
Cutter HP sensor harness
(2-pin)
Recording head harness
ClS harness (7-pin)
Solenoid harness (2-pin)
IV -26
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," respec-
tively. Remove the ROM cover (refer to Section 1.2) and unhook those cores from
bosses =C"and "D" illustrated below.
(Unhook the DowerSuoDly
harness corefrom here.) power suoolyharness
_utter HP sensor
harness
(Rear)
Main PCB
Motor harness
Relay=P Rib "1 Resistors
(Unhook the cutter HP sensor Solenoid Recording
h_,rnesscore from here.) harness head harness
ClS harness
Electrolytic
capacitor
PE sensor actuator
(3)
(4)
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)
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 resis-
tors are tilted towards the PE sensor actuator. If tilted, they may interfere with normal
operation of the sensor actuator.
IV - 26 - 2
CHAPTER V.
MAINTENANCE MODE
WSW26 (Function setting 4)
Selector
No.
2
3
Function
Application of DC wetting pulse
Overvoltage limiter at the apply-
ing time of a wetting pulse
Not used.
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
(when the line is connected via
the external telephone in the
external TAD mode or via the
facsirnile equipment in F/T mode)
NO.
No.
0:
0:
Setting and Specifications
OFF 1" ON
ON 1: OFF
i
45
0 0 : No detection (A)
01:1 (B)
1 0 : 1.5 (C)
1 1 : 2 (D)
6 7
0 0 : 0.5 (A)
01 : 1 (B)
10: 1.5 (C)
11 : 2 (D)
_,_;_ FAX reception after the time-out of
pseudo rinq backtones in F/T mode .... 0; YES 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 num-
ber of cycles specified by these selectors when the line is connected via the external tele-
phone 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 num-
ber of cycles specified by these selectors when the line is connected via the external tele-
phone 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
FAX-290MC
L_ S.Volume_l H
Hold ABC DEF
co C* @° @*
Redial/Pau*e GHI JKL MNO
co @, @o@o
SpeedDial _'QRS TUV WXYZ
c, Q, @o@®
SpeakerPhone
co C_ @°@,
,o
A4 8.5'
Record Emso • Play
co:ce:<22e
Function Tel-index Hetp/Q.Scan
CO CO Ce
123 45
CO CO C@ Ce CO
Stop Copy Starl
m i •
FAX-520DT
i
bl13b'3e¢ FAX-520DT
u i i i| i i ii iii iii i i ii ,G
Mute AIC DEF
co Co @o@*
j( GHI JKL MNO
co Q,, Co @o
Redtal,/Pagm tQgS TUV WXYZ
c. C. Co Co
Spoak_Phone
co @. Co @o
Tone
Record Era_ •Play
co-ce-c2e
_ _ Help/Memory
Co
ABCDE
CO CO CO CO CO
Stop Copy Start
V-46- 1
I-AX-b2UIVIL,;
FAX-520MC
ABC DEF
Recatl GHI JKL MNO
c., Co @,,@o
Redial/Pause PQRS TUV WXYZ
c. Q, @,,Co
SpeakerPhone
co @oCo @o
Tone
Record Erase • Play
co-co-co
ABCDE
CO CO C@ CO CO
Stop Copy $1art
MFC370MC/390MC
_:-_ _o.c
LI_ S.Volurne_ H
Hold Auc DEF
co C. C° @.
Rocllal/Pause GHI JKL MNO
co C" Q' @°
SpeedDial PQRS TUV WXYZ
co C" @oQ,
SpeakerPhone
Record Erase • Play
CO=CO=C2@
Function Tel.index Help/Q.Scan
CO CO CO
I 2 3 4 5
Co CO C@ Ce Co
Stop Copy Start
V-46-2
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 scan-
ning 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 SEN-
SOR 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_
rI'
"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 TO MAIN 6/6.
3L_ 4
GND E0V
42F DAST
ONO
330 CP31_
#8
T7D60
MI Oo(PWM) ADPDMD
MI O2(PWM) DPDMDT
MI O3 DPDMCK
MI 04 APDMCK
MI 05 APDMDT
M_ 01 _ cs
MI Or2 C4
M1013 C3
MVDO C_
C1
CO
MVSS AMUTE
MONMDCK MUTE
LIGT(PWM) MEXTL
MTXL
EON(OD)
SEN2 D^0
SEN3 DA1
EN4 DA2
SENS CA3
SEN6 DA4
SEN7 DAS
SEN8 DA6
DA7
DAS
ST1 DA9
STe
HDC O00
DIN O01
DOUT D02
D03
D04
E1CS D05
SPSL(SMC) O0_
RDAT D07
CL2 VDD
CL1 VDO
CLB VDD
R8 VDD
DIF rod
TO VDD
VDD
RDA61 VDD
CPll VDD
Cp$1
CP41 VSS
CPNN VSS
VSS
RDA6 VSS
AVOO VSS
AVOD VSS
REFH VSS
REFL VBS
AGeD VSS
AGND VSS
VSS I
_IND
R143 100 ADMD
14 AA,_
_R141 100 DM T
_R_40 2OO _MK _
_R142 2OO AMK
AM_ \
C3
C4
13 AMUT
MUT MODEMTBUS
--_4SA, SeD
U_6
_0_ 3C0 *9 Tq/4VHCU04F
eoe e 9 112 13
i00 RA_ DA0 •
110 RAZ 0At .R4 I4 7 K
Ile _3 o_3 RSO
113 RA2 DA4 220 XT3
11s RA2 DA5 5?6MHz
DAB
_0 R14S _00Da e
C37
104
GND
C43
OMX0V
L15
MMZR601A
--O÷SM
R69 1OK
GND
#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
MM4
'CLK
SDOUT
SOI_ TSTA
TSTB
I ORO
CK_2ON MREO
CK_2 CKIe
CKSM
8AKCLK RD
B_ENB WR
BAVDD NMI
B_KSEL INT
LNCR(CO_P_ BSAK
SOL (O0) BSaO
PWON WA_T
CML RFSH
DPS MI
PLS
TEL A0
HOOK AI
Cl A2
TLOF A3
ST_ A4
RiNG AS
SPON Ae
E2CS A7
CTX0 A_
AS
A10
PO_ A_I
PO_ AI2
P03 (OD_ A13
A14
AIS
RMt MA16
RM_ MA17
RM3 MA16
RM4
ODPI O0
ODPI 01
PI OI ODPI O2
PI O2 ODPI O3
PI O3(SRAM) ODPI O4
PI O4 (OD)
PIOS FDCLK
PIO8 FOOUT
FDIN
FCSl
EITI FCSZ
/8
T O +5
46 J
125 IORQ
_MREQ _+S
CK16 __
14e WR GND
_>SBUS 31D
Not mounted.
---_>ABUS 26B34D
16B PBUS
, I
1. *: REFER TO MAIN 6/6.
2C_ 45 __ L
_4e_
,Tu
OAeUS
14u
OA8 30
DA7
I--
DA6
I
OA5 _0
I
DA4 2n
DA3
At I 2S
AI 0 23
A9 _B
A8 _7
A7 S
AS e
AS 7
A4 I
A3 o
A2 IO
A0 12
a_US
+SB
OA
/--
Xl3
_PD27C2001A
AI7 0E
AlS -CE
AlS
A14 -PGM
A13
A12 VCC
All VPP
AIO
A00 OnO
A08
A07 O7
A06 O6
A0S DS
A04 D4
A03 D3
A02 02"
A0t 0_
A00 DO
vcc w
vcc OE
GND CAS
GND RAS
Ag NC
A8 NC _/
A7 _7 07
AS ,/o7
AS 1/06
A4 I105 24 04
A3 1104 s o3 _
A2 11o3 4 D2 _
AI 1102 3D_ n
AO 11oi 2DO •
iioo •
#14
HM514S00JP
_4 flMf4D
22 ROMC _I6B
--_CTF ÷5
I04
.. TI.o..
ig D5
le D4
I? 03
IS o2
I* O1
13 DO
BARMWE _16A
BARMRD _I6B
CAS _16A
RAS0 _16A
_s
RI 09
( DS: NC
RI09
NC
L,a
BAP 9104
PI_ IK T
B2e- PH
_i_
GNO
u/, i ,, •
lss37e
_2_1[ .... 12
2
6
'O4
;: 222:, ',2::1:
4 ?K
*#7
24LC32
nc
oo
c
c7_
+_
Z
F _ E
I J_
1. *: REFER TO MAIN 6/6.
2 5 6
cls
p7
a7aPH
sO_
o_
",2_ ',0
_TG 13E
÷
c_0_ - R,31
aND IO0
nov ,°T_z,
o _ ......
• AI16 LOW I I R_29
,o-- ..... 1 : :
i i i
i +R5 I....... __
I i r vlD
i _ ._121 .o6 3r6
i ....... . .c "R134 NC
O'O---- ' :'C21 " ZjID S,aE
_ R 3
.c,, .o= ;_ ,o
= o NC c_ PI_D *
'RI14 N¢
.II /.o, . % j, c_Pw_ _,_o
=He
O'
O _ _
0 3
°' r
O _
H_ev
CP31
C_3
._°:.° ......
"°1 1 °" _"_°
HDC
,0oi '-'T I'_°'-........,_,_o
P_
.o.:, _[_
P3 B2BPH
SOL
[
R0V
RI_0
IJ2W
c_oa #IS
,04
C5 6_4K _REAR
is
14
13 o4
12 os
1o
---o7
_v
_[_ M_t J s 2
IN_
IN_
O____+_____
p0V
M_US
/
_i_3
M_2
s SOL
ePwo_
7 c MLH <_c
iL_ 6
Not mounted.
ABUS
170 [_ A8
5
SBUS
MREO
RO
WR
CK16
RSTL
+,,,,
.R__ AVDD s*_P
104 3e AGNO
3_eTD _ T_IO po_JPP4
_S
A4
^3 _.EO, PPO
A_ _rP,PPS
A_
AO CLK_
CLKI
CLK nS
OCS s.
acs
I OE DZ
ME OS
_D O 5
WR 04
RESET 02
ol
VDD DO
VOD
VDO
OGND
OGNO
DGND
DeNO
OO_O
"o'
®_-
I_D s_c
13D E_cs
_6E SRA_
12
j__
4
_s
_e
_9
zo
lo
•_[_T
ROAT R0V
S_
_7
4
O3
D2
DI DeUS
'_14E
AMAIN 3/6
1 . ___
1. *: REFER TO MAIN 616.
2
P1 0
B5BPH
POWER
#3
74HC4053
#4
BA10324F
5__ 7
74
#4
BA10324F
sI
l
i
±
_<_
, <
.° I2
--_ T_OUT A_V.DT
C_
#6
TC35133F
,, c= /
,_ c, /
,= c, /
....
I.....
5_
_._ B2 BPH
"P2
9110S12L
NCU IAMAIN 416
1
1. *: REFER TO MAIN 6/6.
I
110
1o o_
g0
a0
I
ii ......
ozz
1 gt, "" ""
CTSL__
o} 44c D
TELSt 1
CtSL_ LI
k
ct Rs-r
6o
2oi
iio
CLC_ ITD
CLTXS 170
CLCK ITE
ClSSY
CLRXS
_oo=oo=
_i......
c_sE_ ,_ ,6c
CLS_L
*5
'_C e0_
aND
-J
,5
c_
_ND
C_4
I*0
"_?_ TELSL 5_B
NC
USSL
R67
C60
°'___
_o 14AP _STL
S
RXI_^
VSI_S
VSS,
vsst
.PO
c3
c_
c_
MUTE
1_ C_
AMAIN 5/6
L]±
PAGE
FAX-270MC/290MC,
MFC370MC/390MC
S . ASSY 01
JNO.
P13 87 180-X88
L2, L5 MMZR60IA
PCI LS, L9 MMZR601A
L7,L10 0o
L6 MMZR601A
Lll MMZR601A
FG L3 0o
R78 X
PWM - C27 0o
C67 X
C80 0o
RTI/TTI, p5 X
READ _..._ X
EEPROM #7 EEP24LC16
ROM/2M R109 Oo
ROM/4M F1107 X
[---_, x
Rl16
¢103 X
Q8 FET2SK1399
Q9 2SC3052
READ Q10 KRCI07S
ZD5 02CZ2. OZ
D6 1SS120
Rl10 1Ko
R111 2 . 2Ko
Rl14 22Ko
Rl18 10Kn
R121 2Ko
R_25
R137 4700
R132 470o
cg5
c=o,t CC104
C97 10, u
R1 24 300o
R1 34 2 . 2Ko
NCU .P2 9110S- 12L
R14 200Ko
Q2 X
D2
D4 X
R36 0 o
R41
RLR _,,i ._ -t _.OK_
x
×
CC681
1KQ
X
FAX-520DT'
520MC ,.
S.ASSY 11
87180-X88
MMZR601A
MMZR601A
Oo
MMZR6OIA
MMZR601A
Oo
lOko
CC104
CCI04
CCI04
X
X
EEP24LC16
0o
X
×
X
FET2SKI399
2SC3052
KRC107S
02CZ2.0Z
1SS120
1Ko
2. 2Ko
22Ko
10Ko
2Ko
470_
470o
CCI04
lOP
300o
2.2K_
9110S-18L
200KQ
FET2SK208
lSS120
X
680_
47K_
CC122
22Ko
×
FAX-520DT*2
S.ASSY 13
87180-X88
MMZR6OIA
MMZR6OIA
Oo
MMZR6OIA
MMZR6OIA
OQ
lOkQ
CC104
CC104
CO 104
X
X
EEP24LC16
X
O_
X
X
FET2SK1399
2SC3052
KRCI07S
02CZ2. OZ
lSS120
1Ko
2. 2Ka
22Ko
10Ko
2Ko
470o
470o
CC_04
300o
2 . 2K_
9110S-18L
200Ko
FET2SK208
1SS120
X
122
KQ
v_L - , - - - .....
"1 For versions other than those given in *2
*2 For the UK//CYP/BEL versions AMAIN 6/6
]
3
I
÷2P J
2
3
I
4 i
5 I--
J2
6-2PMJ
2-
3
• 4PMJ
' 2
3
4
1
RA35TX2
A2
1
JW16
2
L1
L8
L5
L6
L7
LI
L2
SBT0260X2
or
FL5R200PNX2
FG FG S_YB4
ot
SIZ860
O
EAt 5 -04
i
R20
lOOn
>2W
PLS
PC2
'_iTLP627
i
'PS2533
i....
SOV
SBT0260X4
or
FLSR200PNX4
015
PCI53
400V
I
Ct6 R
C1
EC I 0P
16v
_Oso v
TI 5
BT7
C3
CC222
RI
620
R5
IOK
VI
R24
JW
PC3
Ps2s2 : y :
TLP320[_ TELOFF
SOV
_5V
c Q!
_OU E,_B 2SC2603 _TELRL
16)___.__
_R23 Cf3 CC681
osov _15o II
R2610K_£ C18 R22 J _ "'"
CC223 27K Io1_
II-_-'vv_
R27 _ CC22327K _ _RI4 _ 35
IOK ? Cl2 I?lOOK |. 3K
6 cc68T_--_ 6
SOV REF SOV
R9
IOK
_Jw
5ZD2. 0X2 ,1,
8REF
MC474 1/2W
250V 47K
D2 2_ ,3
ISSI2(3 PC1
PS250 I
or
TI, P52 ]
or
PS252 f
[_> RL 2
R4
5K
REF
C>TELSL
+26V
JW
R6
3. 3
d W9
- 0
6. 2O0'U R i3
IK
SOV
C4
EC2.2P
50V
)1÷
C8
JW
JI, J2
TOP VIEW
PLUG
SIDE
SO
R2
IK
el0 CC221
F----4 h-----_F----
R8 _ RI2100K
lOOK _RI6
C9 _3. 3K
RI1 "---_00221 _
100K Jsoy
RE
J3
TOP VIEW
PLUG
SIDE
OREF
C6
BP10P
18V
[]
JWf
SBT0260
or
FL5R2OOPN
FG S0V
+SV
IKI Cl4
CC104
[.B4A10358 IT25V
soy
b
<3
<3
<_
+26vO
+5vO
sovO,
c?
ECl0u
16V
Lg
6
NCUS
RL1
TELSL 6
TELRL t
PLS 3
TELOFF 2
Cl 4
RL2 7
CML 8
+26V 12
+5V lo
soy t t
P1
6033B- 12Z
7. MC: METALLIZED POLYESTER FILM CAPACITOR
6. PC: POLYESTER FILM CAPACITOR
5. CC: CERAMIC CAPACITOR
4. EC: ALUMINUM ELECTROLYTIC CAPACITOR
3. COMPONENTS IN PARENTHESES NOT TO BE MOUNTED.
2. UNLESS OTHERWISE SPECIFIED, THE VOLTAGE RESISTANCE OF CAPACITORS IS 25V OR 50V.
1. UNLESS OTHERWISE SPECIFIED, POWER CONSUMPTION OF RESISTORS IS 1/4W. NCU
A
B
b
PI
b2089-1220
D"
D _2
El-'
D 5
D9
D 7
O 3
D_
D_
KO0
KOI
KO2
KO3
KO4
KO5
r ............
R3
104
Ik-2
CC104 W
GNO
5V
i
i
I
i
i
J
31
32
P3
S58PH
D°I
D_ I
D° I
[3' I
13" J
15
1 3
iiI .sVOic,
, 00104 12
o, o / T
oc,o,T T T.._
C2 GND
_ N C
GNO
BU12102 PNL
RST
KI 0
KI 1
K_2
KI 3
_"# 1
KI5
DIN
DOUT
eLK
OD
GND
7
RS
1
RW
6
E
0
L_CD0
L_OI 25
19
L_D2
24
LCD3
8
_C04
23
LCD5
7
L_DI]
22
LCO7
G.o,11
+5V
1
SW1 SKHVBDx4
KO0 --
KOI --
KO2
KO3
K94 --
K O5 --
K O6
P O1
PO0
g
lO
11
30
29
KO1
-- KO2
-- KO3
KO4
KO5
LED1 BR2272S
-----I--O 0KI 0
SW2
0KI 1
SW3
OKI 2
_-_ SW4
0OKI 3
LED2 SLR- 342VR
470 O_
420
ClCONTROL PANEL 1/2
6
A
B
D
PF PANEL KEY MATRI X REFERENCE TABLE 1
B
KEY NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
3o
31
32
SW1
sw2
sw3
S W4
KEY NAME
MC (CL)
MODE
RESOLUTION
.qr_--
SET
HOOK ({_)
IOKEY-1
IOKEY-2
IOKEY-3
HOLD (PAUSE)
IOKEY-4
IOKEY-5
IOKEY-6
REDIAL/PAUSE (HOLD)
IOKEY-7
IOKEY-8
IOKEY-9
SPEAO DIAL(HOOK)
IOKEY-*
10KEY-O
IOKEY-#
FUNCTION
TEL-INDEX
HELP
1TOUCH-1
1TOUCH-2
1TOUCH-3
1TOUCH-4
1TOUCH-5
STOP
COPY
START
MCMODE
PLAY
ERASE
RECORD
KEY COE
1B
OB
oc
04
03
1 E
OE
06
26
19
09
01
21
1A
OA
02
22
1D
OD
05
25
23
2B
14
24
2C
2E
29
16
2D
2A
15
31
32
33
34
PF PANEL KEY MA] RI X HEF E RE NCE ] AB L E 2
KO0 KO1 KO2 KO3 KO4 KO5 KO6
P1- 4P P1- 2P P1- 12P P1- 1P P1- 5P P1- 11P PCB
KI 0 12 11 10 13 28 SWl
P1 - 9P
KI 1 16 15 14 17 31 SW2
P1 - 7P
KI 2 5 2 1 22 23 SW3
P1 - 3P
KI 3 43 24 25 26 SW4
P1- 10P
KI 4 20 19 32 18 21 30
P1 - 8P
KI 5 8 7 29 6 9 27
P1 - 6P
iCIONTROL
I
PANEL 212
Dec_mb_T '_b
5XLS15
Printed in Japaz_

Navigation menu