Main Wiring Diagram (Continued) - Xerox PHASER 8500 Service Manual

Main Wiring Diagram (Continued)

Phaser 8400/8500/8550/8560 Color Printer Service Manual
J620 J480
Power Control
4
ECB
J820
+/-50 V
+/-12 V unreg
+3.3 V
14
J790
16
J400
generates
(Right
+/- 12 V reg.
Side)
+5 V
34
J390 (Left Side)
Printer ambient
temperature
2
J280
J800 (Right Side)
Serial
10
Data
Bus
14
2 J840 J910
J870
2
J250
I/O ECB
2
J860
10
J400
3
+50 V
8
J680
+3.3 V
3
J110
10
J220
6 5
J600 J610
30 connector
JDC1
Power
4
X- axis motor
Supply
ECB
2
Drum fan
AC
generates:
4 Y axis pos encoder +/-50 V
ECB +/-15 V unreg
+3.3 V
J1AC
7 Process motor
5
with encoder
Y- axis motor
Inkload ECB
J2
J1
Heaters (4)
Ink out opto
Ink low opto
Door open opto
Thermistor (4)
3
Main tray paper height opto
3
Main tray paper opto
Waste tray opto
Process home (optional)
MPT ECB
Width sense var. resistor
Media present sense opto
NOTE:
Thermal fuse for drum is located
on Pre-heated ECB
NOTE:
All items connected with
carry line voltage.
Printhead
AC Resv. heaters (2)
AC Jetstack heaters (2)
Drum Heater
Series/parallel heater
35
3
J3AC
35
7
J2AC
3
J3
4 2
J2
Relay ECB
J4AC
4 2
2
J0720
Paper preheater
Pre-heat
ECB
2
J0670
Preheat temp therm
Deskew entry
sense opto
3
J0660
Preheat sense opto
J860
5
Control Panel
2
ECB J190 Top door sense switch
generates:
2
+5 V
J110 Front door sense switch
LCD Display
J600
10
NOTE:
The numbers shown at the circuit board
perimeters are for the actual connectors.
Some have extra n.c. pins added to prevent
misplugging errors.
I/O color coding
Black = input
Magenta = output
Red = temp
RED
2
J1
s8500-124
10-3