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LCD

CN101

VSS VDD V0 RS R/W E DB4 DB5 DB6 DB7

P.F SENSOR DOC.SENSOR

CN102

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7

1 2 3 4 5 6 7 8 9 10

HOOK SW

THERMISTOR

OPERATION PANEL BOARD

CIS
AC POWER

SCAN MOTOR

A B XA XB COM RPS THERM2 KSTART KTXD KSCLK OPERST GND +5V SIG GND +5VD SI CLK GLED VLED COM XB XA B A

AC(N) 3

AC(L)

TO TELEPHONE LINE
CN206 CN207
1 2 3 4 5 6

TO EXTANT TELEPHONE
CN202

R1 T1 -

T R -

ANALOG BOARD
No 27 25 23 21 19 17 15 13 11 9 7 5 3 1 NAME BREAK/CDL_RXD SP_MUTE VOL0/MURA1 VOL1/F_MUTE -5V VOL2/CRESET MODEM_RX_IN TONE MODEM_TX_OUT NC VOX/NISHI1 MIDATA/CDL_RTS MICLK/CDL_CTS MILATCH/CDL_TXD No 28 26 24 22 20 18 16 14 12 10 8 6 4 2 NAME +24V +5VA AG DG DG +4V +4V P_SHORT/T-ON_OFF DCN LIN_RLY/T-PAT1 LIN_RLY/T-PAT0 BELL EXTHOOK/POL_N HS_ALC/POL_P

1 2 3 4

HSSP+ HSMICHSSPHSMIC+

CN106

CN110

CN107

CN102 CN115
1
No 2 4 6 8 10 12 14 16 18 20 22 24 26 28 NAME BREAK/CDL_RXD SP_MUTE VOL0/MURA1 VOL1/F_MUTE -5V VOL2/CRESET MODEM_RX_IN TONE MODEM_TX_OUT NC VOX/NISHI1 MIDATA/CDL_RTS MICLK/CDL_CTS MILATCH/CDL_TXD No 1 3 5 7 9 11 13 15 17 19 21 23 25 27 NAME +24V +5VA AG DG DG +4V +4V P_SHORT/T-ON_OFF DCN LIN_RLY/T-PAT1 LIN_RLY/T-PAT0 BELL EXTHOOK/POL_N HS_ALC/POL_P

CN101
+24V +24V PG PG DG +5V +4V +4V HTRCTL PDWN 1 2 3 4 5 6 7 8 9 10

CN214
28

1 2 3 4 5 6 7 8 9 10

SMPS
HEATER

CN1
1

TO HANDSET

1 2 3 4 5

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7

1

1 2 3 4 5 6

CN2

FG

AC(N)

3

CN204

1

1 2

28

DIGITAL BOARD
RESIST SENSOR
1 2 3 1 2 3 4 1 2

Speaker

GND FANDET FANON A XA B XB PICKUP GND

PAPER SENSOR

CN103
1 2 3 4 5 6 7 8 +24V GND CHG DEV TRS HVERR TOPCVR DRUM

CN1
1 2 3 4 5 6 7 8

CN113

CN112 CN111 CN114
1 2 3

No 1 2 3 4 5 6 7 8

NAME +5VD TXD RXD RTS CTS DSR DTR GND

CN101

CN109

CN105
1 1 2 3 4 5 8

CN104
1 2 3 4 5 6 7

1 2 3 4 5

COVER OPEN SW (HVPS POWER SW)

THRM1 GND LED POUT CTL

+5V TNREMP GND

POLCLK XREADY POLON DG +24V

XHSYNC GND +5V XAPC XLDEN XVIDEO DG

TO PC PROGRAM WRITER

HVPS

LSU
PICKUP SOLENOID TRANSFER ROLLER TRA OPC

GEAR UNIT

OPC DRUM

DEV

CN50

XB B XA A

MAIN MOTOR
1 2 3

DEVELOPING ROLLER

DRUM SW GRID

TONER SENSOR (Hall IC) DC FAN

DRUM UNIT

CHG

THERMO STAT THERMO STAT HEAT LUMP

HEATER BOARD

CN52 5 4 3 2 1

SENSOR BOARD
1 2 3

CN51

THERMISTOR
THRM1 GND

EXIT SENSOR

FUSER UNIT