Main Wiring Diagram - Xerox Phaser 8400 Service Manual

Main Wiring Diagram

Printhead Driver
ECB
JET0 + /-
JET1 + /-
JET2 + /-
CLK + /-
ADCTX + /-
ADCRX + /-
+ /-12 V regulated
+3.3 V
Gnd (9)
Spares (Vss & Vpp)
Vss
J210 (8400 Only) J240
30
J630 (8400 Only)
Wave Amp ECB
VssD
VppD
Gnd sense
wave amp enable
+ /-50 V
+ /-12 V unregulated
Gnd (6)
Tray 3 HCF
Paper height opto
Pick sense opto
Paper out sense opto
Pick clutch
Transport motor
Media Tray
sense ECB
Width sense (3) switch
Length sense (2) switch
Elevator plate motor
10-2
J200 J600
Main Processor
26
J180 J130
Vpp
Printhead tilt solenoid
30
J670
Main tray elevator plate motor
Main tray pick clutch
14
J800
8, HCF connector
3
Main ECB
3
11
J120
3
HCF_RD
HCF_TD
2
HCF_CLK
+50 V
+
+3.3 V
J380
Gnd (3)
J980
–
generates:
6
J1
J160
24 V PWM
2
Tray 4 HCF
Electronics Module
J400 JR810
J930
IDE
J860
ECB
2
2
2
3
MPT solenoid
2
Deskew clutch
8
J400
Heat maintenance clutch
J820
10
8
Width sense (3) switch
Length sense (2) switch
Phaser 8400/8500/8550 Color Printer
40 connector
Hard Drive
80
J580
ECB
2.5 Hard Drive
Purge pump
Main Fan
Media path
motor
with encoder
M. path motor fan
(early 8400 only)
Preheater Lift
Solenoid
((8500/8550)
Drum temp thermistor
Strip solenoid
DMU life (i Button)
3
Strip sense opto
3
Exit/bin full sense opto
2
Media Tray
sense ECB
J1
s8500-123
4
J390
14
6
34
2
7
2
3
2
2
2
8
6