Xerox Phaser 4500 Service Manual page 68

Theory of Operation
Laser
Unit
Fuser Assembly
Sensor Assembly
FG
2-32
Front Panel
Scanner
Motor
LDD
5V
Interlock
TEMP.
Temperature
SG
L
Thermostat
N
Heater Rod(850W)
N
Heater Rod(650W)
Heater
Control
Fuse
Power
Switch
AC N
Fuse
AC L
Inlet
FG SG
Schematic Diagram of Phaser 4510 Power Distribution and Interlocks
Opt. 550-Sheet
Feeder
Image
PWBA
Processor
Feeder 550
Opt. 550-Sheet
Feeder
PWBA
B A
Feeder 550
Scanner Motor
Control
24VDC
SG
Fuse
5VDC
Fuser
Control
Power Save
Control
24V
Rear Cover
Interlock
Switch (24V)
Low Voltage
Generation
24VDC
Supply
5VDC
Supply
Fuse
3.3VDC
Supply
Main Fan Sub Fan
Rear Cover
Duplex Cover
Open Switch
Open Switch
Optional Optional
Duplex Unit Stacker
Duplex Stacker
PWBA PWBA
Fan
Control
3.3VDC
HVPS Circuit
Main Motor
Control
CRU A,CRU B, INA,INB
Main Motor
Exit Motor
PWBA
Motor
A B
3.3VDC
DC-DC
24VDC
Converter
SG
Phaser 4500/4510 Service Manual
SG
Exit Motor
Control
HVPS/
Engine
Logic
/INA,/INB
A,B,/A,/B,
24VDC AFT
Exit
Motor
LVPS
s4510-027