Lexmark Series 4520-xxx Laser Printer Manuals

Manuals and User Guides for Lexmark Series 4520-xxx Laser Printer. We have 1 Lexmark Series 4520-xxx Laser Printer manual available for free PDF download: Service Manual

Lexmark Series 4520-xxx Service Manual

Lexmark Series 4520-xxx Service Manual (334 pages)

Service Manual

Brand: Lexmark | Category: Printer | Size: 8 MB

Table of Contents

Table of Contents
3
Notices and Safety Information

9
- Laser Notices
  9
- Laser Notice
  11
- Safety Information
  18
- Ozone Information
  22
Preface

23
General Information

25
- Options
  26
- Maintenance Approach
  27
- Tools Required for Service
  27
- Acronyms
  28
Diagnostic Information

29
- Start
  29
  - Service Error Codes
    30
  - User Status Messages
    50
  - User Error Messages
    53
  - Power-On Self Test (POST)
    63
  - Symptom Tables
    64
- Service Checks
  67
  - Charge Roll Service Check
    68
  - Cover Open Switch/Cable Service Check
    70
  - Dead Machine Service Check
    71
  - Duplex Unit Service Check
    73
  - Envelope Feeder Service Check
    76
  - Fuser Service Check
    84
  - Fuser Solenoid Service Check
    88
  - Input Sensor Service Check
    89
  - Input Tray(S) Service Check
    90
  - High-Capacity Feeder Input Tray Service Check
    94
  - Main Drive Service Check
    105
  - Operator Panel Service Check
    107
  - Options Service Check
    109
  - Output bin Sensor Standard Tray Service Check
    111
  - Paper Feed Service Check
    112
  - Parallel Port Service Check
    114
  - Printhead Service Check
    115
  - Print Quality Service Check
    116
  - Smart Contact Assembly Service Check
    128
  - Serial Port Service Check
    129
  - Toner Sensor Service Check
    130
4520 XXX

131
- Transfer Roll Service Check
  131
Diagnostic Aids

133
- Diagnostic Mode
  133
- Device Tests
  134
  - Quick Disk Test
    134
  - Disk Test/Clean
    135
  - Flash Test
    136
  - Disabling Download Emulations
    137
- Duplex Tests
  138
  - Duplex Quick Test
    138
  - Duplex Sensor Test
    139
  - Duplex Motor Test
    140
  - Duplex Feed 1 Test
    141
  - Duplex Feed 2 Test
    141
- Error Log
  142
  - Viewing the Error Log
    142
  - Clearing the Error Log
    142
- Hardware Tests
  143
  - LCD Test
    143
  - Button Test
    143
  - SDRAM Memory Test
    144
  - ROM Memory Test
    145
  - Parallel Wrap Test
    145
  - Serial Wrap Test
    145
- Input Tray Tests
  147
  - Input Tray Feed Test
    147
  - Input Tray Sensor Test
    147
  - Output bin Test - Standard bin
    148
  - Base Sensor Test
    148
- Print Registration
  149
- Printer Setup
  150
  - Setting the Page Count
    150
  - Viewing the Permanent Page Count
    150
  - Maintenance Page Count
    151
  - Setting Configuration ID
    152
  - Restore EP Factory Defaults
    153
  - Print Tests
    154
  - Print Quality Test Pages
    155
  - Print Test with RIP (Controller Board) Removed
    156
  - Printing Menu Settings Page
    156
  - Autocompensator Operation
    157
  - Autoconnect System, Paper Tray Options, Envelope Feeder
    158
4520 XXX

159
- Fuser Operation
  159
- Hot Roll Fuser
  159
- Paper Feed Jams
  160
Repair Information

163
- Handling ESD-Sensitive Parts
  163
- Adjustment Procedures
  164
  - Duplex Motor Drive Belts
    164
  - Fuser Solenoid Adjustment
    165
  - Gap Adjustment
    165
  - Printhead Assembly Adjustment
    166
  - Paper Alignment Assembly Adjustment
    167
- Screw Identification Table
  169
- Removal Procedures
  174
  - Covers Removals
    174
  - Center Pan Assembly Removal
    178
  - Controller Board Removal
    179
  - Developer Drive Assembly Removal
    180
  - Duplex Board Removal
    181
  - Duplex Front Cover Assembly Removal
    181
  - Duplex Front Cover Door Removal
    181
  - Duplex Motor Removal
    182
  - EMC Shields Removals
    183
  - Engine Board Removal
    185
  - Main Fan Removal
    186
  - Frames Removals
    187
  - Fuser Removal
    190
  - Fuser Board Removal
    191
  - Fuser Cover Removal
    192
  - Fuser Detack Housing Assembly Removal
    194
  - Fuser Transfer Plate Removal
    194
  - Fuser Envelope Conditioner Solenoid Removal
    195
  - Fuser Narrow Media Sensor/Flag Assembly Removal
    196
  - Fuser Exit Sensor Flag Assembly Removal
    196
  - Fuser Lamp Removal
    197
  - Fuser Lower Exit Guide Assembly Removal
    197
  - High Voltage Power Supply Removal
    198
  - Integrated Tray Compensator Assembly Removal
    199
  - Interconnect Board Assembly Removal
    201
  - Low Voltage Power Supply Removal
    202
  - Main Drive Assembly Removal
    205
  - Main Drive Motor Removal
    206
  - Multipurpose Tray/Lower Deflector Assembly Removal
    207
4520 XXX

209
- Operator Panel Assembly Removal
  209
- Operator Panel Cable/Cover Switch Removal
  210
- Optional 250/500 Paper Tray Assembly Removal
  211
- Paper Alignment Assembly Removal
  212
- Paper Deflectors Removals
  214
- Paper Input Sensor Removal
  215
- Paper Size Sensing Board Removal
  215
- Pick Roll Removal
  215
- Printhead Removal
  216
- Redrive Assembly Removal
  217
- Smart Contact Assembly Removal
  218
- Toner Sensor Removal
  219
- Transfer Roll Assembly Removal
  220
- Upper Paper Deflector Assembly Removal
  220
- Upper Front Cover Hinge Assembly Removal
  221
- Upper Front Cover Interlock Switch Assembly Removal
  222
Connector Locations

223
- Low Voltage Power Supply
  223
- High Voltage Power Supply
  225
- Engine Board
  226
- Engine Board
  231
- Controller Board - Non Network
  232
- Controller Board - Network
  233
- Fuser Board
  234
- Interconnect Board
  236
- Envelope Feeder Board
  238
- Duplex Unit Board
  240
Preventive Maintenance

243
- Safety Inspection Guide
  243
- Lubrication Specifications
  243
- Scheduled Maintenance
  244
Parts Catalog

245
- How to Use this Parts Catalog
  245
  - Assembly 1: Covers
    246
  - Assembly 2: Frame
    248
  - Assembly 3: Printhead
    252
  - Assembly 4: Paper Feed (Autocompensator)
    254
  - Assembly 5: Paper Feed - Multipurpose Unit
    256
  - Assembly 6: Paper Feed - Alignment
    258
  - Assembly 7: Paper Feed - Output
    260
  - Assembly 8: Integrated Paper Tray - 500 Sheet
    262
4520 XXX

264
- Assembly 9: Main Drive
  264
- Assembly 10: Developer Drive
  266
- Assembly 11: Hot Roll Fuser
  268
- Assembly 12: Transfer
  270
- Assembly 13: Charging
  272
- Assembly 14: Electronics 1
  274
- Assembly 15: Electronics II
  276
- Assembly 16: Electronics III
  278
- Assembly 17: Electronics IV
  280
- Assembly 18: Electronics V
  282
- Assembly 19: Electronics VI
  284
- Assembly 19: Electronics VI
  286
- Assembly 20: 250-Sheet Tray
  288
- Assembly 21: Integrated Paper Tray - 250 Sheet
  292
- Assembly 22: 500-Sheet Tray
  294
- Assembly 23: Duplex Unit
  298
- Assembly 24: Envelope Feeder
  304
- Assembly 25: High-Capacity Feeder
  306
- Assembly 26: Kiosk - Vertical Paper Adapter
  316
- Assembly 27: Kiosk - Horizontal Paper Adapter
  318
- Assembly 28: Options
  320
- Assembly 29: Miscellaneous
  322
Index

329

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