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8 Remove the two screws (E) from the operator panel.

9 Lift the operator panel from the user interface support bracket.

10 Disconnect the ribbon cable from the cable connector on the operator panel board by sliding the two prongs forward.

7527

Repair information

280

Table of Contents

Default Chapter1
- Service Manual1
Product Information2
Edition Notice2
- December2
- Table of Contents3
Notices and Safety Information11
- Laser Notices11
- Safety Information14
Preface19
- Service Manual Conventions19
- Change History19
General Information23
- Media Guidelines23
- Data Security Notice32
- Tools Required for Service33
Diagnostic Information35
- Troubleshooting Overview35
- Fixing Print Quality Issues37
- Paper Jams47
- Understanding Printer Messages76
  - Understanding the Printer Messages76
- Printer Hardware Errors87
- Adf/Scanner Hardware Errors140
- Input Option Hardware Errors161
Service Menus185
- Understanding the Printer Control Panel185
- Updating the Printer Firmware189
- Menus List190
- Diagnostics Menu192
- Configuration Menu216
- Entering Invalid Engine Mode224
- Entering Recovery Mode224
- Accessing the Network SE Menu224
- Service Engineer Menu224
Repair Information227
- Removal Precautions227
- Removal Procedures246
- Left Side Removals246
- Right Side Removals256
- Front Removals273
- Bottom Removals290
- Rear Side Removals307
- Top Side Removals312
- Adf/Scanner Removals326
- Options Removals339
Component Locations345
- Controller Board345
Maintenance353
- Inspection Guide353
- Scheduled Maintenance354
  - Maintenance Kits354
- Preventive Maintenance355
  - Device-Specific Preventive Maintenance355
- Lubrication Specification355
- Cleaning the Printer356
  - Cleaning the Scanner Glass357
  - Cleaning the Printhead Lenses358
Parts Catalog360
- Legend360
- Assembly 1: Covers361
- Assembly 2: Scanner363
- Assembly 3: Paperpath365
- Assembly 4: Operator Panels369
- Assembly 5: Electronics373
- Assembly 6: Cables and Sensors377
- Assembly 7: Media Drawers and Trays379
- Assembly 8: Options and Miscellaneous381
Appendix A: Printer Specifications383
- Power Specifications383
- Electrical Specifications383
- Operating Clearances384
- Acoustics385
- Environment386
- Processor386
Appendix B: Options and Features387
- Available Internal Options387
- Media Handling Options387
- Option Configurations388
- Supported Configurations389
Appendix C: Theory of Operation391
- Paper Path and Transport Components391
- Print Engine Theory394
  - Electrophotographic Process (EP Process)394
  - Electrophotographic Process Basics394
- ADF Theory398
  - ADF Theory of Operation398
- Color Theory400
- What Is Manual Color Correction401
Appendix D: Acronyms405
- Acronyms405
Appendix E: Screw and Retainer Identification Table407
- Screw and Retainer Identification Table407
Index410
Part Number Index417
Part Name Index423