Xerox Phaser 4500 Service Manual

10-30 Phaser 4500 Service Manual
Duplex Unit Signal Diagram
Signal line name Description
FAN ALARM Fan monitor signal. This signal goes High if there is a trouble with
Duplex Unit Fan.
/DUP SNR ON Signal from Duplex Unit Sensor. This signal goes Low when the flag
moves out of the sensor.
/DUP Top Cover Signal from Duplex Unit Switch. This signal goes Low when the cover of
Duplex (Duplex Unit Housing Cover) is closed.
A and B Excitation signal for Duplex Unit Motor. Phases A and B.
/A and /B Excitation signal for Duplex Unit Motor. Phases /A and /B.
HVPS/
Engine
Logic
LVPS Harness
Duplex
Harness
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
1
9
8
7
6
5
4
3
2
1
10
P/J2750 P/J50
Duplex
PWBA
Duplex Unit
Fan
Duplex Sensor
Harness
Duplex Cover
Harness
Duplex Sensor
Duplex
Switch
Duplex
Motor
7
6
5
4
3
2
1
8
P/J27
LG
3.3V DC
TXD
RTN
RTN
24V DC
24V DC
RXD
N.C.
N.C.
N.C.
N.C.
2
3
1
P/J54
2
3
1
P/J53
Pull Up 3.3V
FAN ALARM
24V RTN
24V DC
2
3
4
5
1
P/J51
P/J56
A
B
/ A
/ B
24V DC
/ DUP SNR ON
/ DUP COVER OPEN
LG
LG
2
1
3
P/J530
1
2
P/J520
2
1
P/J52
P/J560
s4500-244
Duplex
Unit Ground

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English