Xerox Phaser 8400 Service Manual

10-2 Phaser 8400/8500/8550 Color Printer
Main Wiring Diagram
Main Processor
ECB
Hard Drive
ECB
Printhead Driver
ECB
Wave Amp ECB
Media Tray
sense ECB
Width sense (3) switch
Length sense (2) switch
Media Tray
sense ECB
Width sense (3) switch
Length sense (2) switch
JET0
+
/-
JET1
+
/-
JET2
+
/-
CLK
+
/-
ADCTX
+
/-
ADCRX
+
/-
+
/-12 V regulated
+3.3 V
Gnd (9)
Spares (Vss & Vpp)
VssD
VppD
Gnd sense
wave amp enable
+
/-50 V
+
/-12 V unregulated
Gnd (6)
Vss Vpp
26
30 30
80
40 connector
6
2
2
2
2
3
2
8
7
2
3
IDE
14
8, HCF connector
3
11
6
2
3
3
2
Paper height opto
Main tray elevator plate motor
Printhead tilt solenoid
Main tray pick clutch
MPT solenoid
Deskew clutch
Pick sense opto
Paper out sense opto
Pick clutch
Transport motor
Elevator plate motor
USB Mode Switch Parallel 10/100T
10
3
6
8
2
2
2
4
34
14
3
2
8
Main ECB
HCF_RD
HCF_TD
HCF_CLK
+50 V
+3.3 V
Gnd (3)
generates:
24 V PWM
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)
Strip sense opto
Exit/bin full sense opto
Heat maintenance clutch
s8500-123
+
–
Tray 4 HCF
Electronics Module
J200 J600 J400 JR810
J930
J860
J580 J390
J180 J130
J630 (8400 Only) J670
J120
J400
J380
J980
J160
J820
J800
J210 (8400 Only) J240
J1
J1
Tray 3 HCF

Xerox Phaser 8400 Specifications

General

Brand	Xerox
Model	Phaser 8400
Category	Printer
Language	English