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Xerox Phaser 3425 Manuals
Manuals and User Guides for Xerox Phaser 3425. We have
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Xerox Phaser 3425 manual available for free PDF download: Service Manual
Xerox Phaser 3425 Service Manual (180 pages)
Laser Printer
Brand:
Xerox
| Category:
Printer
| Size: 10 MB
Table of Contents
Service Manual
3
Service Terms
5
Symbols Marked on the Product
6
Power Safety Precautions
7
Power Source
7
Electrostatic Discharge (ESD) Precautions
8
Service Safety Summary
9
General Guidelines
9
Warning Labels
9
Safety Interlocks
9
Servicing Mechanical Components
10
Regulatory Specifications
11
In the European Union
12
Table of Contents
15
1 General Information
21
Printer Introduction and Overview
22
Printer Configurations
23
Parts of the Printer
24
Exterior
24
Phaser 3425 Front Panel Configuration
25
Phaser 3425 Laser Printer Rear View
26
Main Board
27
Service Parts
28
Consumables
29
Supply Life Counter Behavior
30
Printer Specifications
31
Physical Dimensions and Clearances
31
Functional Specifications
32
Electrical Specifications
32
Environmental Specifications
33
Duplex Printing Media Sizes
33
Media and Tray Specifications
34
2 Theory of Operation
35
Overview of the Phaser 3425 Laser Printer
36
Summary of the Printing Process
36
Print Modes
37
Printer Controls
38
Paper Size Control
38
Selective Control; Paper Pick
38
Laser Light Intensity Control
39
Process Control
39
Toner Control
39
Fuser Control
39
Paper Path of the Printer
40
Duplex Paper Path
40
Major Assemblies and Functions
41
Main Board
41
Power Supply Board
42
Main Board Wiring Diagram
42
Print Cartridge
44
Laser Scan Unit (LSU)
44
Transfer Roller
45
Fuser Assembly
45
Paper Feed Drive
45
Paper out Sensor
45
Paper Feed Sequence
46
Registration Sensor
46
Paper Transport
46
Fuser Exit Sensor
47
Duplex Unit
47
3 Error Messages and Codes
49
Introduction
50
Accessing Fault History
51
Servicing Instructions
52
Using the Troubleshooting Procedures
53
General Notes on Troubleshooting
54
Voltage Measurements
55
Service Diagnostics
56
Service Diagnostic Front Panel Button Descriptions
57
Service Diagnostics Menu Map
57
Error Messages and Codes Summary Table
61
Fuser Failure/Low Heat/Or Overheat/ 0X56/0X57/0X58
62
LSU Error or 0X5A
63
Jam at Tray [1] [2] [3] or 0X01
64
Jam at Top(0X02) or Jam at Exit (0X03)
65
Jam at Duplex (0X04) or Jam at Tray (0X05)
66
Output Tray Is Full or 0X44
67
Replace Print Cartridge (0X53) or Invalid Print Cartridge (0X55)
68
4 General Troubleshooting
69
Introduction
70
Preliminary Procedures
70
Front Panel Troubleshooting
71
No Front Panel Display after Power Is Turned on
71
Front Panel LED Is On, Front Panel Display Is Blank
71
Front Panel Continually Displays "Close Cover or Check Cartridge
71
Front Panel Continually Displays "No Paper in Tray [X]
71
Front Panel Continually Displays "Output Tray Is Full
72
Paper Size Switch Assembly
72
Power Supply Troubleshooting
73
Media Jams and the Paper Path
74
Media-Based Problems
74
Paper Mis-Feed from Tray 1 (MPT)
74
Paper Mis-Feed from Tray 2
75
Paper Mis-Feed from Tray 3 (Optional Feeder)
76
Jam at Tray [1] [2] [3] (Jam 0)
77
Jam at Top (Jam 1)
78
Jam at Exit (Jam 2)
79
Jam at Duplex (Duplex Jam 1)
80
Jam at Tray/Remove Tray 2 (Duplex Jam 2)
81
CRUM Toner Error
82
5 Print-Quality Troubleshooting
83
Print-Quality Problems Overview
84
Defects Associated with Specific Printer Components
84
Front Panel Test Print
85
Deletions
86
Fusing
87
Resolution
87
Registration and Skew
88
Skips or Smears
88
Print-Quality Troubleshooting
89
6 Adjustments and Calibrations
93
Margin Calibration
93
Margin Calibration
94
Resetting NVRAM
94
7 Cleaning and Maintenance
95
Recommended Tools
95
Service Preventive Maintenance Procedure
95
Cleaning
96
Service Preventive Maintenance Procedure
96
Recommended Tools
96
Printing a Cleaning Sheet
97
8 Service Parts Disassembly
99
Overview
100
Standard Orientation of the Printer
100
General Notes on Disassembly
101
Preparation
101
Removing Service Parts and Consumables
102
Print Cartridge Removal (PL 9.1.8)
102
Transfer Roller Removal (PL 9.1.23)
102
Fuser Removal PL 9.3.40)
103
Print Engine Disassembly
105
Right Cover Assembly (PL 9.2.2)
105
Left Cover Assembly (PL 9.2.4)
106
Top Cover Assembly (PL 9.2.1)
107
Tray 1 Cover Assembly (PL 9.1.2)
108
Retard Assembly (PL 9.3.7)
110
Front (Inner) Cover (PL 9.2.5)
110
Tray 1 Lift Plate (PL 9.1.3)
111
Rear Cover Assembly (PL 9.2.3)
112
Front Panel Assembly (PL 9.2.1.8)
113
Cover Open Interlock Switch (PL 9.2.1.16)
114
NIC Board (PL 9.1.41)
115
Main Board (PL 9.1.10)
116
Main Drive Assembly (PL 9.1.11)
117
Tray 2 Solenoid (PL 9.1.28)
119
Tray 2 no Paper Sensor (PL 9.3.44)
119
Paper Size Sensor (PL 9.3.36)
120
Exit Motor Drive Assembly (PL 9.1.20)
120
Main Fan Assembly (PL 9.1.19)
121
Sub Fan Assembly (PL 9.3.35)
122
Exit Roller Assembly (PL 9.3.21) Transport Roller Assembly (PL9.3.24)
123
Laser Assembly (PL 9.1.16)
125
Print Cartridge Interconnect Assembly (PL 9.3.53)
127
Registration Transport Assembly (PL 9.1.9)
128
Registration Sensor (PL 9.7.10)
129
Tray 1 Feed Roller Assembly (PL 9.3.2)
129
Tray 1 Pick Roller (PL 9.3.2.4)
133
Tray 2 Retard Assembly (PL 9.3.7)
134
Tray 2 Paper Pick Assembly (PL 9.3.67)
134
Tray 2 Pick Roller (PL 9.3.67.3)
139
Power Supply Board (PL 9.1.13)
140
Duplex Assembly (PL 8.8.2)
143
Exit Sensor (PL 9.3.62)
143
9 Parts Lists
145
Using the Parts List
146
Print Engine Parts
147
Main Unit
147
Covers
150
Frame 1 Assembly
152
Frame 2 Assembly
155
Fuser Assembly
158
Main Drive Motor Assembly
159
Exit Drive Motor Assembly
160
Registration Transport Assy
161
Power Supply/Duplex Assembly
163
Paper Tray
164
Optional Lower Feeder Assembly
165
Xerox Supplies
168
10 Wiring Diagrams
170
Print Engine Interconnect Diagram
171
Map 1 Main Board
172
Connection Diagram
174
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