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Xerox Phaser 3500 Service Manual
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image-quality Troubleshooting
Phaser® 3500 Laser Printer
Service Manual
3-6
Skips or Smears
Check the test print in the indicated areas for lo
ss, stretching,
or distortion of t
he image in
bands across the process direction that make the
image seem distorted,
blurred, or compressed.
If these faults are observed, see
Skips/Smears
on page
3-11.
39
41
Table of Contents
Default Chapter
3
Service Terms
3
Product Terms
3
Symbols Marked on the Product
4
Power Safety Precautions
5
Power Source
5
Disconnecting Power
5
Electrostatic Discharge (ESD) Precautions
6
Service Safety Summary
7
General Guidelines
7
Class 1 Laser Product
7
Servicing Electrical Components
8
Regulatory Specifications
8
Table of Contents
9
1 Service Call Procedures
14
Servicing Instructions
15
Service Preventive Maintenance Procedure
16
Recommended Tools
16
Cleaning
16
2 Repair Analysis Procedures
17
Introduction
18
Accessing Fault History
18
Using the Troubleshooting Procedures
19
Service Diagnostics
20
Entering Service Diagnostics
20
Service Diagnostics Menu Map
21
Service Diagnostic Control Panel Button Descriptions
21
Troubleshooting Error Messages
26
Jam at Tray [1] [2] [3] (Jam 0)
27
Jam at Tray [1|2|3] (JAM 0)
27
Jam at Top (Jam 1)
27
Jam at Exit (Jam 2)
28
Jam at Rear (Duplex Jam 1)
28
Jam at Duplex (Duplex Jam 2)
30
Check Cartridge, Invalid Print Cartridge, Non-Xerox Cartridge, Replace Print Cartridge
30
Close Fuser Door
30
Check Cartridge, Invalid Print Cartridge, Non-Xerox Cartridge
30
Close Top Cover
31
Fuser Failure, Engine Fuser Low Heat Error, or Engine Fuser over Heat Error
31
Laser Failure
31
Output Tray Is Full
32
General Troubleshooting
33
Control Panel Troubleshooting
33
No Control Panel Display after Power Is Turned on
33
Control Panel LED Is On, Control Panel Display Is Blank
33
Power Supply Troubleshooting
34
Taking Voltage Measurements
34
3 Image-Quality Troubleshooting
35
Image-Quality Problems Overview
36
Repeating Defects
37
Print Cartridge
37
Transfer Roller
37
Fuser
37
Repeating Defects Measurement Table
37
Control Panel (Internal) Test Print
38
Deletions
38
Fusing
38
Resolution
39
Registration and Skew
39
Skips or Smears
40
Image-Quality Troubleshooting
41
No Image/Blank Prints
41
Light Prints
41
Black Prints
42
Dark Image
42
Background Contamination
42
Ghosting
43
Non-Uniform Image
43
Black Spots/Marks
44
Spot or Vertical Deletions
44
Horizontal Bands
44
Character Defects
44
Unfused Image
45
Skewed Image
45
Skips/Smears
45
OHP Print Distortion
45
4 Repairs and Adjustments
46
Overview
47
Standard Orientation of the Printer
47
General Notes on Disassembly
48
Preparation
48
Notations in the Disassembly Text
48
Covers
49
Right Cover
49
Left Cover
50
Rear Cover
51
Top Cover
53
Control Panel and LCD Display
55
Open Cover
56
Tray 1 (MPT) Assembly
57
Tray 1 Knock-Up Plate
59
Tray 1 Pick-Up Rack
60
Inner Cover
61
Transfer Roller
62
Retard Assembly
63
Tray 1 Separator (Holder) Pad Assembly
64
Feed2 Idle Unit
65
Registration Assembly
66
PTL Board
68
Main Drive Assembly and Registration (Feed) Clutch
69
Feed Clutch
69
Main Drive Assembly
70
Tray 1 Pick-Up Assembly and Pick Rollers
71
Tray 1 Pick Roller Only
71
Pick Roller and Shaft Removal
72
Tray 2 Pick-Up Assembly and Rollers
74
Feed 2 Unit
77
Developer Drive Assembly
78
Connector Board
79
Tray 1 (MPT) Solenoid
80
Main Solenoid
81
Fuser Assembly
82
Exit Solenoid Assembly
83
Exit and Duplex Rollers
84
Exit Gear
85
Tray Full Actuator
85
Duplex Roller
86
Laser (LSU) Assembly and Lower Cover
87
LSU Lower Cover
88
Left Side Cooling Supply Fan and Duct
89
Toner Sensor Board and CRUM
90
Cover Open Board and Harness Cover
91
Main Board and Shield
92
Power Supply and Shield
93
Fuser Gear Assembly
95
Paper Size Sensor
96
5 Parts List
97
Using the Parts List
98
PL 8.1 Main Assembly
99
PL 8.1 Parts List Table
100
PL 8.2 Cover Assembly
103
PL 8.2 Parts List Table
104
PL 8.3 Frame Assembly
105
PL 8.3 Parts List Table
107
PL 8.4 Fuser Assembly
113
PL 8.4 Parts List Table
114
PL 8.9 Tray 2 Cassette
116
PL 8.9 Parts List Table
117
PL 8.10 Tray 3 Cassette
118
PL 8.10 Parts List Table
119
PL 8.11 Duplex Assembly
121
PL 8.11 Parts List Table
122
6 General Information and Specifications
124
Printer Configurations
125
Printer Options and Supplies
125
Consumable and Service Part Life Expectancy
126
Parts of the Printer
127
Front View
127
Rear View
127
Control Panel
128
Menu Map
128
Error and Warning Messages
128
Printer Specifications
129
Printer Location and Clearance
129
Printer Physical Specifications
130
Functional Specifications
130
Electrical Specifications
131
Environmental Specifications
131
Media and Tray Specifications
132
7 Wiring Data
133
Block Diagram
134
8 Theory of Operation
138
Overview of the Phaser 3500 Laser Printer
138
Summary of the Printing Process
138
Print Modes
139
Printer Paper Path
140
Duplex Paper Path
140
Paper Feed Sequence
141
Paper Transport
141
Paper Feed Drive
141
Major Assemblies and Functions
142
Imaging
142
Print Cartridge
142
Laser Scan Unit (LSU)
143
Transfer Roller
143
Fuser Assembly
143
Sensor Functions
144
Paper Empty Sensor
144
Tray 1 Paper Empty Sensor
144
Registration Sensor
144
Fuser Exit Sensor
144
Cover Open Sensor
144
Duplex Unit Sensor
144
Printer Controls
145
Image Processor Function
145
Print Engine Control
145
Main Board
146
Power Supply
147
Paper Size Control
148
Paper Pick Auto-Select
148
Toner Control
148
Laser Light Intensity Control
149
Fuser Temperature Control
149
Other manuals for Xerox Phaser 3500
User Guide
59 pages
Benutzerhandbuch
61 pages
Options Guide
2 pages
Quick Reference Guide
6 pages
Setup Guide
2 pages
4
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Xerox Phaser 3500 Specifications
General
Brand
Xerox
Model
Phaser 3500
Category
Printer
Language
English
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