Lexmark T640 - Page 217

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Diagnostic aids 3-47

4061-xx0

4. Lift the front edge of the finisher output bin cover until it locks into position.

5. Remove the stack of print media.

6. Close the finisher output bin cover.

7. Press .

Main Page

Default Chapter3
- Table of Contents3
Laser Notices11
Safety Information17
Preface20
- Definitions20
General Information21
- Maintenance Approach21
- Options22
  - Configured Models23
- Specifications24
- Media Specifications29
- Tools Required40
- Acronyms41
Diagnostic Information43
- Start43
- Power-On Self Test (POST) Sequence46
Symptom Tables47
- Base Printer Symptoms47
- High-Capacity Feeder (2000-Sheet) Symptoms47
- Paper Tray Symptoms48
- Duplex Option Symptoms48
- Envelope Feeder Symptoms48
- Output Expander48
- Staplesmart Finisher49
Messages and Error Codes50
- Service Error Codes50
- User Status Displays73
- User Attendance Messages74
  - User Line 2 Link Messages85
  - Check Device Connection Messages85
- User Attendance Messages-Paper Jams and Paper Handling Errors (2Xx.XX)86
Service Checks114
- 5-Bin Mailbox Service Check114
- 900.XX Error Code Service Check117
- 927.XX Fan Service Check118
  - Main Fan118
  - Cartridge Fan Service Check118
- 950.00 through 950.29 EPROM Mismatch Failure119
- 950.30 through 950.60 EPROM Mismatch Failure120
- Charge Roll Service Check121
- Cover Closed Switch/Cable Service Check122
- Dead Machine Service Check122
- Duplex Option Service Check124
- Envelope Feeder Service Check126
- Fuser Service Checks129
  - 920.XX-Cold Fuser Service Check129
  - 922.XX-Cold Fuser Check131
  - 923.XX-Hot Fuser Service Check132
  - 925.XX-Hot Fuser Service Check133
- Fuser Exit Sensor Service Check134
- Fuser Narrow Media Sensor Service Check135
- Fuser Solenoid Service Check136
- High-Capacity Feeder Input Tray Service Check137
- High-Capacity Output Stacker Service Check142
- Input Sensor Service Check144
- Input Tray(S) Service Check144
- Interconnect Card Service Check146
- Main Drive Service Check147
- Operator Panel Service Check148
  - One or more Operator Panel Buttons Fail148
  - No Buttons Work148
  - Operator Panel Display149
- Options Service Check150
  - Flash Memory Option(S)150
  - DRAM Memory Option(S)150
  - Hard Disk Option150
- Output bin Sensor Standard Tray Service Check151
- Output Expander Service Check152
- Paper Feed Service Check154
- Paper Size Sensing Service Check155
- Parallel Port Service Check158
- Print Quality Service Check158
- Printhead Service Check164
  - Signature Button Assembly Service Check164
  - Staplesmart Finisher Service Check165
  - System Board Service Check168
  - Toner Sensor Service Check169
  - Transfer Roll Service Check170
Diagnostic Aids171
- Accessing Service Menus171
- Diagnostics Mode172
Configuration Menu (CONFIG MENU)195
- Entering Configuration Menu195
- Available Menus195
- Maintenance Page Count (Maint Cnt Value)195
- Maintenance Page Counter Reset (Reset Maint Cnt)196
- Print Quality Pages (Prt Quality196
- Size Sensing197
- Panel Menus197
- PPDS Emulation197
- Download Emuls197
- Demo Mode197
- Factory Defaults198
- Energy Conserve198
- Event Log198
- Paper Prompts198
- Env Prompts198
- Jobs on Disk198
- Disk Encryption198
- Font Sharpening199
- LCD Brightness199
- LCD Contrast199
- Exit Config Menu199
Additional Useful Menu Locations199
- Hex Trace199
- Menu Settings Page200
- Printing Menu Settings Page200
Theory201
- Autocompensator Operation201
- Autoconnect System, Paper Tray Options, Envelope Feeder-Electrical202
Print Quality Troubleshooting203
Paper Feed Jams207
- Access Doors and Trays207
- Clearing Printer Jams207
Repair Information221
- Handling Esd-Sensitive Parts221
- Adjustment Procedures222
- Removal Procedures225
Connections307
- Fuser Board307
- High-Capacity Output Stacker Board308
- High Voltage Power Supply309
- Interconnect Card309
- Low Voltage Power Supply310
- Output Expander Control Board311
S315
Safety Inspection Guide315
Preventive Maintenance315
- Safety Inspection Guide315
Lubrication Specifications315
- Scheduled Maintenance315
- Maintenance Kit315
- Parts Catalog317
How to Use this Parts Catalog317
Assembly 1: Covers318
Assembly 2: Frame320
Assembly 3: Frame322
Assembly 4: Frame324
Assembly 5: Printhead326
- Assembly 6: Paper Feed—Autocompensator328
- Assembly 7: Paper Feed—Multipurpose Feeder330
- Assembly 8: Paper Feed—Alignment332
Assembly 8: Paper Feed-Alignment334
Assembly 7: Paper Feed-Multipurpose Feeder334
Assembly 6: Paper Feed-Autocompensator334
Assembly 9: Integrated 250-Sheet Paper Tray334
Assembly 10: Integrated 500-Sheet Paper Tray336
- Assembly 11: Drives—Main Drive and Developer Drive338
Assembly 11: Drives-Main Drive and Developer Drive340
Assembly 12: Hot Roll Fuser340
Assembly 13: Transfer/Charging342
- Assembly 14: Electronics—Power Supplies344
- Assembly 15: Electronics—Card Assemblies346
- Assembly 16: Electronics—Shields348
- Assembly 16: Electronics-Shields350
- Assembly 17: Cabling Diagrams350
- Assembly 18: Cabling Diagrams351
- Assembly 19: Cabling Diagrams352
- Assembly 20: Cabling Diagrams354
- Assembly 21: Cabling Diagrams356
- Assembly 22: Optional 250-Sheet Paper Drawer358
- Assembly 23: Optional 250-Sheet Paper Tray359
- Assembly 24: Optional 500-Sheet Paper Drawer360
- Assembly 25: Optional 500-Sheet Paper Tray361
- Assembly 26: Duplex Option362
- Assembly 27: Envelope Feeder363
- Assembly 28: Output Expander364
- Assembly 29: Output Expander365
- Assembly 30: High-Capacity Output Expander366
- Assembly 31: High-Capacity Output Expander367
- Assembly 32: High-Capacity Output Expander368
- Assembly 33: 5-Bin Mailbox370
- Assembly 34: 5-Bin Mailbox372
- Assembly 35: High-Capacity Feeder374
- Assembly 36: High-Capacity Feeder376
- Assembly 37: High-Capacity Feeder378
- Assembly 38: High-Capacity Feeder379
  - Assembly 39: Kiosk—Vertical and Horizontal Paper Adapters380
- Assembly 39: Kiosk-Vertical and Horizontal Paper Adapters381
- Assembly 40: Staplesmart Finisher I381
- Assembly 41: Staplesmart Finisher382
- Assembly 42: Staplesmart Finisher383
- Assembly 43: Staplesmart Finisher384
- Assembly 44: Options385
Appendix A-Options and Features387
Appendix A-Options and Features387
- Installing Input Options387
- Installing Memory or Option Cards390
- Accessing the Printer System Board391
- Removing or Installing a Memory Card393
- Removing or Installing a Flash Memory or Firmware Card394
- Installing an Option Card396
- Replacing the Shield397
- Printing and Using Features397

Lexmark T640 - Page 217

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