Service Guide
135
Wiring Diagram
Wiring diagram
3102-29
CN 1
CN 1
Laser
scanner
Interconnect board
Front panel
SCSI
Parallel
Network
card
740 Image
processor
Power
supply
High voltage
power supply
board
Charger unit connector
Imaging unit
Optional
lower tray
assembly
Auto
duplex
unit
Engine
control
board
Ozone fan
Pre-transfer lamp
Door-open
switch
Accumulator belt position sensor
CN 2
CN 2
FTR
Orange
DEV
Yellow
STR
Black
CHG Red
PTC
White
GRID Blue
CN 1
CN 701
Pre-exposure lamp
CN 632
Toner cartridge
movement sensor
Toner cartridge
selector/eject unit
CN 615
Fuser exit sensor
CN 610
CN 21
CN 3
CN 20
CN 23
CN 5
CN 9
CN 13
CN 10
CN 12
CN 6
CN 11
CN 7
CN 8
CN 29
CN 4
CN 501
CN 502
CN 14
CN 1
CN 30
CN 301
J490
J711
J900
J530
CN 201
CN 204
CN 25
CN 2
CN 27
CN 3
CN 24
CN 22
CN 26
CN 618
CN 15
CN 18
CN 17
CN 19
CN 617
Exit tray full sensor
Power
switch
Front door
right door
closed
sensors
Toner cartridge level (transmitter) sensor
CN 630
Toner cartridge level
sensor (Receiver) and
roller clutch board
CN 619
CN 620
CN 621
CN622
CN623
Toner cartridge
sub bias board
B
Y
M
C
Exit roller
sensor
board
CN 611
CN 614
CN 612
CN 613
Left door
closed sensor
Fuser fan
Paper-feed
motor
Developer
cartridge
drive motor
Main motor
Cleaning board
Paper tray switches
ADU jam sensor
Switchback solenoid
Face switching
solenoid
CN 616
Cam motor board
Paper
feeder
CN 604
CN 607
CN 606
CN 605
Temperture/
humidity
sensors
Power supply
fan
Fuser
Aligning sensor
Multi-purpose
tray empty sensor
Registration clutch
Multi-purpose tray motor
Laser driver
(740 only)
CN 618
ADU gate sensor
USB
Parallel
Network
card
J390
J601
J900
J540
750 Image
processor
Ethernet
J700
J712
Ethernet
Transparency
film sensor
Summary of Contents for Phaser 740
Page 6: ......
Page 48: ...36 Phaser 740 and 750 Color Printers ...
Page 102: ...90 Phaser 740 and 750 Color Printers ...
Page 104: ...92 Phaser 740 and 750 Color Printers ...
Page 124: ...112 Phaser 740 and 750 Color Printers ...
Page 129: ...Service Guide 117 Figure 3 Motor and fan FRUs 3102 37 1 10 9 5 8 7 2 6 4 3 ...
Page 131: ...Service Guide 119 Figure 4 Sensor switch and flag FRUs 3102 40 1 7 2 3 4 8 5 6 ...
Page 135: ...Service Guide 123 Figure 6 Imaging and paper feed component FRUs 3102 39 1 2 3 7 9 4 6 8 5 ...