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General Circuit Diagram
Host machine 1/5
8
MAIN TH
PS4650
Main Thermistor
Fixing Output Sensor
2
1
FUT2
J4650
2
1 2 3
J131L
1
2
F
J131DH
2
1
J131D
3
2
1
3
2
1
J7005
J7004
Detection of
new Fixing Unit PCB
J7001
J7002
1 2 3 4 5 6
1 2 3 4
J1LA
A8
E
J1LB
J1DA
A8
J1DB
D
8
7
6
5
4
3
2
1
6
5
4
3
2
1
J402
J401
SW1
J321
FT1
+24VB
24V
+24_ENG
Interlock Switch
FT2
J321_C
FT3
+24VB
+24VA0
C
FT4
/FDOORSW
SW2
J308
GND
J604
Front Door
J10
30
Switch
B
30
J1901
J1000
1 2
GND
LED4950
SOLD2
Pre-exposure LED
+24VC
SOLD1
J6201D
J6201DH
2
1
1 2 J6201L
PS4800
A
Fixing Pressure
2
1
J6201
2 1
Release Sensor
J4800
CL
+3.3VC
CL4
GNDSIG
FPRSNS
Duplex Switchback
Clutch
8
7
6
SUB TH1
Sub Thermistor 1
1
2
FU134
FUT1
1
J137
H1
2
1
J132L
3
2
1
SUB TH2
J132DH
1 2 3
J132D
H2
2
1
Sub Thermistor 2
1
2
HEATER
Fixing Heater
MT3
J6001A
J6001B
100V
200V
B6
1 2 3
4
J1L
B6
J1D
1 2 3
4
PIN2411
PIN2412
PIN2413
N
1
2 3
L
N
1
2 3
L
J2101A
J2101B
PIN2414
PIN2415
EPU_PCA
PIN2416
Low-Voltage
J2401
PIN2418
Power Supply PCB
J2408
PIN2419
21
1 2 3 4 5 6 7
8
9 10
10
9
8
7
6
5
4
3
2
1
J901
21
DCON_PCA
J601
DC Controller PCB
J201
J301
J206
1 2
1
2 3
1 2 3
J6101
1 2
1
2
SL
SL2
M
J4850
M3
Multi-purpose
3
2
1
Pickup
Lifter Motor
Solenoid
HVT_PCA
PS4850
Multi-purpose Pickup Solenoid
Developer Alienation
High-Voltage
Sensor
Power Supply PCB
TRFB
TRFRONT
MT1
TB1500
JP1200
JP1400
JP1201
JP1401
PRI
PA1
FUSER
JP1000
JP1300
JP1402
JP1001
JP1301
JP1403
Cassette 1 Paper Size Switch-B
FILM
DEV
PA2
JP1100
JP1302
JP1404
JP1101
JP1303
JP1405
DEV
Cassette 1 Paper Size Switch-A
JP1102
JP1103
7
6
5
4
J138
Finisher Model
J134F
1
1
J134M
Main Controller PCB
GND
LASER_PCA
GND
J4507
+5A
+5A
+24S_IN
J9001
GND
GND
40
+5A
40
J701
SW301
2
J204
J203
1
2 3 4 5 6
7
8
9
1 2 3 4 5 6 7
J6102
7
6
5
4
3
2
1
7 6 5
4
3 2 1
8
7
6
5
4
3
2
1
M
8 7 6 5 4 3 2 1
CL3
M2
M
Cassette 1
M1
Drum Motor
Pickup Clutch
Fixing Motor
J6301D
J6301DH
SL1
J6301L
+24VA2
MPPICKSL
MPDR
PS4350
GND
/MPPPRSNS
OPTCK
Multi-purpose Paper Sensor
GND
J4350
J6303D
GND
J6302D
J6302DH
GND
SW5
+24V_ENG
+24V_ENG
/SIZESW
J18
+24V_ENG
GND
OPTOUT
/3LINESW3
OPTIN
4
SW4
/3LINESW2
OPTTMG
3
GND
GND
2
/3LINESW1
+3.3VB2
1
J19
5
4
630
3
2
VSS
+5V
VIN
GND
GND
GND
+24V
FIN_PCA
+24V
Finisher Controller PCB
/OUT_SL_IN
/FUOUT_SNS_IN
RXD
/LOOPSNS
TXD
GND
+5V
LOOPSNSDR
RESET
/TOPSNS
GND
TOPSNSDR
+12S_IN
GND
+24S_IN
GND
/PPRSNS
Laser Scanner Unit
GND
PPRSNSDR
/PLVLSNS
GND
M4
J6104
PLVLSNSDR
+24V_ENG
BD PCB
Laser
/SMACC
Scanner
/SMDEC
J8301
GND
Motor
17
/FULLSNS
J6402D
J6402DH
GND
FULLSNSDR
GND
/SCFANLK
SCFANDR
J6402L
FM1
/DUPSNS
Laser Scanner Fan
GND
DUPSNSDR
COR4
J606
17
LSW
RDOORSW
J102
J702
J101
J608
RSW
GND
1
2
3
4
1
2
3
4
5
1
2
3
4
1
2
DUFANDR
1
/DUFANLK
GND
J6205LH
J6204DH
J6205L
J6204D
+24VA2
PICKCL
+24VA2
J6204L
J6206
J6205D
DUPFEDCL
CL2
+3.3VC
GND
GND
Duplex Feed
AIRTH
/ENCD
CUFANDR
J6203
Clutch
/CUFANLK
GND
PS4600
CLFANDR
/CLFANLK
Retard Roller
GND
Rotation Sensor
J4600
1
2
3
4
5
6
7
Pickup Option
8
9
10
11
J605D
12
J605DA
3
2
General Circuit Diagram
1
TAG
CONNECTOR
J21
J4500L
J4500
F
PS4500
Fixing Loop
Sensor
J4500DH
J4500D
J4550
PS4550
Registration
Sensor
PS4300
J4300
Cassette 1
E
Paper
Sensor
J4400
PS4400
Cassette 1
Lifter
Sensor
J4450L
J4450
PS4450
Delivery
D
Paper Full
J4450DH
J4450D
Sensor
J4700L
J4700
PS4700
Duplex
Feed
J4700DH
J4700D
Sensor
SW7
J13D
J13DH
Right Door
J1
Swtch (Rear)
C
SW6
Right Door
J2
Swtch (Front)
J6403L
FM2
J13L
Duplex
Fan
J6403DH
J6403D
TH4200
J4200
Enviroment
Sensor
B
J6404DH
J6404D
FM3
J6404L
J6405DH
Cartridge
J6405D
Upper Fan
FM4
J6405L
Cartridge
Lower Fan
A
1
P.1
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