Laser Unit, 5 V Interlock, Interlock Switch Assembly - Xerox Phaser 4500 Service Manual

Laser Unit, 5 V Interlock, Interlock Switch Assembly

Engine Logic
Phaser 4500/4510 Service Manual
Laser Unit
Harness
HVPS/
PWBA
P/J14
5 V DC
1
SG
2
/SOS
3
/PCONT 1
4
Vref
5
MO/DET-OUT
6
/PCONT2
7
/LDENB
8
P/J17
XPDATA 2+
1
XPDATA 2-
2
P/J16
XPDATA 1+
1
XPDATA 1-
2
P/J13
24V DC
1
24V RTN/SG
2
/ROSMOT ON
3
/ROSMOT CLK
4
Signal line name
/SOS
/PCONT
Vref
P/J141
1 3
N.C. 2 N.C.
2
3 1
LVPS Harness
P/J141 P/J142
5/6
1 2 1 2
2 1 2 1
P4500 Only
To page 10-21
A
Laser Diode
P/J140
8
7
6
5
4
3
2
1
P/J170
2
1
P/J160
2
1
P/J131
1 4
2 3
3 2
4 1
Description
Synchronization signal generated by SOS Sensor. This signal
commands start of each scan.
Sample / Hold circuit
Low: Sampled (LD is forcibly lit up); High: Held
Laser output control signal for determining or adjusting the
current flowing through Laser Diode.
Wiring Diagrams
5V Interlock
Interlock Switch Assembly
Laser
P/J144
Interlock
1 2
2 1
P/J411
Top Cover
1 3
Switch
N.C. N.C.
2 2
3 1
Laser Unit
P/J201 P/J2011
5VDC AFT
Start Of
1 3
/SOS
Scan
2 2
SG Sensor
3 1
P/J130
5
4
Scanner
3
Motor
2
1
s4510-239
10-29