10-2
Phaser 34
25
Laser Printer Service Manual
Print Engine Interconnect Diagram
Use the following interconnect diagram to identify specific connectors (CN) within
the printer with respect to the main components.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23
NC 24 V DEV
_ PWM
24 V MHV
_ PWM5
24 V GND GND MHV
_ READ
GND 1THV
_ READ
3.3 V THV
_ EN
13.3 V THV
_ PWM
GND 24 VS GND VCC VCC NC P
_ EXIT
P
_ DUPLEX
FUSER
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5
6 7 8 9 0 1 2
1 2
24 V 24 VS
1 2 3 4 5 6
1 2 3 4
1 2 3 4 5 6 7 8 9
1 2 3
1 2
1 2
24 V GND
VCC GND
24 V NC GND
8 7 6 5 4 3 2 1
3.3 V SCF
_ STS
SCF
_ GND
SCF
_ CLK
SCF
_ RDY
24 V GND GND
9 8 7 6 5 4 3 2 1
24 VS 24 VS GND GND GND VCC /START
_ STOP
MOT
_ READY
MOT
_ CLK
4 3 2 1
PA
_ 1
PA
_ 2
PB
_ 1
PB
_ 2
6 5 4 3 2 1
VCC 3.3 V PANEL
_ TX
PANEL
_ RX
PANEL
_ RST
GND
LSUCLK /LREADY /PMOTOR GND 24 V
3.3 V VDO– VDO+ /LD_ON GND 5 VS /HSINK
1 2 3 4 5
7 6 5 4 3 2 1
12 11 10 9 8 7 6 5 4 3 2 1
GND CART
_ CLK
CART
_ DATA
3.3 V P
_ EMPTY
P
_ REGI
THERM 1 THERM 2 P
_ SIZE1
P
_ SIZE 2
P
_ SIZE 3
OUTBIN
_ FULL
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
24 VS 7MAIN
_ CLUT
MP
_ CLUT
REGI
_ CLUT
MP
_ EMPTY
3.3 V CST
_ OUT
GND
1 2 3 4
P
_ SIZE 1
P
_ SIZE 2
P
_ SIZE 3
GND
1 2 3 4
GND P
_ REGI
P
_ EMPTY
3.3 V
1 2
THERM 1 THERM 2
1 2 3
1 2 3
3.3 V BIN
_ FULL
GND
VCC SIGNAL GND
1 2 3
1 2 3 4 5 6 7 8
MHV NC NC OPC
_ GND
NC SUPPLY NC DEV
3.3 V SIGNAL GND
1 2
1 2 3
1 2 3
1 2
1 2
1 2 3
24 V NC GND
24 V GND
24 V GND
5 V SIGNAL GND
1 2 3
NC GND CST
_ OUT
Output Full
Sensor
Thermistor
Paper Size
Board
CN-1
CN-3
CN-20
CN-4
CN-8
CN-11
CN-1
CN-15
CN-21
CN-17
CN-10
CN-12
CN-3
CN-8
CN-4
CN-4
CN-104
CN-2
CN-18
CN-1
1 2 3 4 5 6
24 V 24 V 24 VS 24 VS GND 5 VS
CN-1
CN-2
CN-9
CN-14
CN-6
CN-1
CN-14
CN-10
CN-11
CN-13
SW-1
CN-9
CN-7
CN-2
Paper Out
Sensor
Fuser Exit
Sensor
Cartridge
Fuser Heat
Lamp
AC Input
Registration
Clutch
Erase Lamp
Sub_Fan
Main_Fan
500 Sheet Feeder
Main Drive Motor
Exit Motor
Front Panel
Cover Open Board
Main Board
Power Supply Board
Print Cartridge Interconnect Board
Connector Board
Laser
Laser Diode
Polygon Motor
Tray 2
Solenoid
Tray 1
Solenoid
Tray 1 Empty
Sensor
Tray 2 Out
Switch
R
egistration
Sensor
-
Cover Interconnect Board
Summary of Contents for Phaser 3425
Page 1: ...Service Manual P h a s e r L a s e r P r i n t e r 3425 ...
Page 2: ......
Page 14: ...xii Phaser 3425 Laser Printer ...
Page 20: ...xviii Phaser 3425 Laser Printer ...
Page 29: ...General Information 1 9 Consumables 1 Print Cartridge 1 ...
Page 48: ...2 14 Phaser 3425 Laser Printer Service Manual ...
Page 93: ...6 Chapter Adjustments and Calibrations In this chapter Margin Calibration Resetting NVRAM ...
Page 98: ...7 4 Phaser 3425 Laser Printer Service Manual ...
Page 144: ...8 46 Phaser 3425 Laser Printer Service Manual ...
Page 145: ...9 Chapter Parts Lists In this chapter Using the Parts List Print Engine Parts Xerox Supplies ...
Page 175: ...10 6 Phaser 3425 Laser Printer Service Manual ...
Page 179: ......
Page 180: ......