Lexmark C91 Series Manuals

Manuals and User Guides for Lexmark C91 Series. We have 1 Lexmark C91 Series manual available for free PDF download: Service Manual

Lexmark C91 Series Service Manual

Lexmark C91 Series Service Manual (493 pages)

Brand: Lexmark | Category: All in One Printer | Size: 16.4 MB

Table of Contents

Table of Contents
3
Safety Information

11
Preface

16
- Definitions
  
  16
General Information

17
- Overview
  
  17
  - Resolution
    17
  - Model Differences
    17
- Technical Specifications
  
  18
  - Toner Darkness
    18
  - Color Correction Settings
    18
  - Physical Specifications and Weight
    19
  - Print Speed and Performance
    20
  - Performance
    21
  - Time to First Print
    21
  - Processor
    21
  - Duty Cycle
    21
  - Printer Memory
    22
  - Resident Fonts
    23
- Paper and Media Specifications
  
  24
  - Input and Output Configurations
    24
  - Media Size Supported
    26
  - Input Media Types and Weights
    31
  - Output Media Types and Weights
    32
  - Input Capacity by Media and Source
    34
  - Output Capacity by Media and Source
    35
  - Media Guidelines
    36
  - Print Area
    37
- Options and Features
  
  38
- Connectivity
  
  39
  - Standard
    39
  - Optional Internal Local Connections
    39
  - Network Connections
    40
  - Data Streams
    41
  - Operating Systems
    41
5055 XXX

42
- Power and Electrical Specifications
  
  42
  - Power Requirements
    42
  - Electrical Specifications
    42
  - Operating Clearances
    43
- Environment
  
  43
  - Printer Temperature and Humidity
    43
- Maintenance Approach
  
  45
  - Standard Inspection and Cleaning Procedure
    45
  - Return Parts
    46
  - Service Recommendations
    46
  - Tools
    47
  - Serial Number, Configuration ID, and Part Number
    48
  - Abbreviations
    49
Diagnostic Information

51
- Adjustments and Procedures Following Parts Replacement
  51
- Start
  
  53
  - Initial Check
    53
- Printer Messages
  
  54
  - Service Error Message Tables
    54
  - Attendance Messages
    84
  - Maintenance Analysis Procedures (MAPS)
    104
  - Symptom Table
    113
- Service Checks
  
  118
  - Drive 1 DC Motor Service Check
    118
  - Drive 2 Stepper Motor Service Check
    118
  - Duplex Unit Service Check
    119
  - Expansion Paper Feed Service Check
    119
  - Face down Stacker Full Service Check
    120
  - High-Capacity Feeder (HCF) Service Check
    120
  - Finisher Service Check
    121
  - Marks on Paper Service Check
    122
  - Operator Panel Service Check
    123
  - Paper Carrying Service Check
    124
  - Paper Exit, Face up Service Check
    132
  - Paper Skew Service Check
    133
  - Paper Tray Missing Service Check
    133
  - Photodeveloper Missing Service Check
    134
  - Power Supply Service Check
    135
  - 210 Staple Jam Service Check
    136
  - Transfer Belt Up/Down Service Check
    137
- Image Quality Troubleshooting
  
  138
  - Print Quality Problems
    138
  - Options Service Check
    148
Diagnostic Aids

151
- Power-On Self Test Sequence
  151
- Using the Operator Panel
  152
- Operator Panel Buttons
  153
- Printing the Menu Settings
  154
- Operator Menu Disabled
  154
- Menu Overview
  154
- Diagnostic Mode
  156
- Adjustment Example
  158
- Print Tests
  160
- Hardware Tests
  162
- High-Capacity Feeder Tests
  168
- Finisher Tests
  170
- Device Tests
  173
- Diagnostics - Printer Setup
  176
- Defaults
  176
- Viewing and Resetting the Drum Counters
  178
- Diagnostics - Error Log
  181
- Theory of Operation
  
  183
  - Processes and Configuration
    183
  - Electrophotography Process
    183
  - Development Unit
    184
  - Transfer Unit
    184
  - Cleaning Unit
    185
  - Paper Feeding / Fusing
    185
  - Drive System
    186
  - Paper Feeding
    187
  - Cassette Paper Feeder
    187
  - Multipurpose Feeding
    188
  - Registration Unit
    188
  - Separation Unit
    189
  - Fuser Unit
    190
  - Delivery
    191
  - Belt Unit
    192
  - Belt Up/Down
    193
  - Expansion Paper Feeder
    193
5055 XXX

194
- Duplex Unit
  194
- Paper Weight
  195
- Clearing Paper Jams
  196
- High-Capacity Feeder (HCF)
  202
- Maintenance Mode
  210
- Finisher
  211
- Finisher Installation
  
  223
  - Attaching the Docking Plate and Guide Rail
    223
  - Combining the Finisher and Stand
    225
  - Attaching the Bins
    229
  - Aligning the Finisher and Printer
    230
  - Adjusting the Wheels
    238
  - Attaching the Cables
    240
  - Hole Punch Adjustment
    244
Repair Information

247
- Service Precautions
  247
- Handling Printed Circuit Boards
  247
- Adjustments
  
  249
  - High-Capacity Paper Feed Timing Belt Adjustment
    249
- Removals
  
  250
  - Cover, Top Removal
    250
  - Cover, Front Removal
    251
  - Cover, Front Left Removal
    251
  - Cover, Rear Removal
    252
  - Cover, Solenoid Removal
    252
  - Cover, Left Side Removal
    253
  - Cover, Right Side Removal
    254
  - Cover, RIP Board Removal
    255
  - Tray, Paper Exit Removal
    256
  - Belt Up/Down Clutch Removal
    256
  - Belt Up/Down Detection Sensor Removal
    257
  - Cassette Guide Removal
    258
  - Connector, Duplex Unit Removal
    259
  - Separation Fingers Removal
    260
  - Sensor Cleaner Removal
    260
  - Drive Gear Unit Sensor Assembly Removal
    261
  - Drive Motor Assembly Removal
    262
  - Electronic Box Removal
    263
  - Fanning Pad Removal
    265
  - Front Cover Open Switch Actuator Removal
    266
  - Fuser Removal
    267
  - High Voltage Power Supply Board (HVU) Removal
    269
  - LED Printhead Removal
    270
  - Eraser Removal
    273
  - Lock Handle Assembly Removal
    274
  - Main Drive Unit Removal
    275
  - Main Unit Fan Removal
    278
  - Motor Drive Board Removal
    279
  - Multipurpose Feeder Tray Removal
    280
  - Operator Panel Removal
    280
  - Paper Carrying Frame Removal
    281
  - Paper Carrying Roller Removal
    282
  - Paper Feed Frame Removal
    283
  - Paper Feed Roller Removal
    284
  - Paper Present Sensor Removal
    284
  - Paper Remaining Sensor Removal
    285
  - Paper Size Sensor Board Assembly Removal
    285
  - Power Supply 1 Removal
    286
  - Power Supply 2 Removal
    287
  - Power Switch Removal
    288
  - Printer Controller Removal
    289
  - Printhead Controller Board Removal
    290
  - Registration Clutch Removal
    293
  - Registration Sensor Removal
    294
  - Right Slide Rail Removal
    295
  - RIP Box Removal
    295
  - Sensor Board Removal
    296
  - Stay Arm Removal
    297
  - Sub-Frame Removal
    298
  - Sub Frame F1, Sub Frame F2 Removal
    299
  - Top Unit Removal
    301
  - Transfer Belt Removal
    302
  - Turn Guide Cover Sensor Removal
    311
  - Upper Fan Removal
    312
- Options Removals
  
  313
  - Expansion Paper Feeder Removal
    313
5055 XXX

321
Duplex Removals

321
High-Capacity Feeder (HCF) Removals

327
- HCF Covers Removal
  327
- HCF Call Roller, Paper Feed Roller, Reverse Roller Removal
  328
- HCF Pickup Solenoid Removal
  329
- HCF Tray Motor Removal
  332
- HCF Paper Level Sensor Removal
  333
- HCF Power Supply Removal
  334
Finisher Removals

335
- External Covers Removals
  335
- Finisher Control Board Removal
  336
- Elevator Motor Removal
  337
- Feed Motor Assembly Removal
  337
- Hole Punch Removal
  338
- Inverter Paper Exit Discharge Brush Removal
  339
- Inverter Paper Exit Roller Removal
  339
- Jogging Unit Removal
  341
- Path Select Gate Removal
  342
- Patting Roller Removal
  343
- Power Supply Removal
  345
- Registration Roller Removal
  346
- Registration Roller Clutch Removal
  347
- Stack Area Discharge Brush Removal
  348
- Staple Unit Removal
  348
- Straight Paper Exit Discharge Brush Removal
  349
- Straight Paper Exit Roller Removal
  349
- Timing Belts 1 and 2 Removal
  351
- Tractor Belt Removal
  352
- Tractor Drive Motor Assembly Removal
  354
Locations

355
- Covers Diagram
  355
- Major Parts Diagram
  356
- Sensor and Switch Locations
  358
- Component Locations
  360
- Printer Controller Board
  362
- Printer Controller Board Connectors
  363
- Printhead Controller Board
  366
- RIP Board
  367
- Power Source Unit 1 Board
  368
- Power Source Unit 2 Board
  368
- High Voltage Power Supply Board
  369
- Sensor Board
  369
- Expansion Paper Feeder Controller Board
  370
- Duplex Unit Controller Board
  370
- Motor Drive Board
  370
- Size Sensor Board
  371
- High-Capacity Feeder (HCF)
  372
- High-Capacity Paper Feed Configuration
  372
- Electrical Parts Layout
  373
- Driving Parts Layout
  374
- Finisher Locations
  375
Preventive Maintenance

383
- Maintenance Kit
  383
- Periodic Maintenance
  384
- Lubricants and Cleaners
  384
Parts Catalog

385
- How to Use this Parts Catalog
  
  385
- Assembly 1: Covers 1
  386
- Assembly 2: Covers 2
  388
- Assembly 3: Covers 3
  391
- Assembly 4: Covers 4
  392
- Assembly 5: Covers 5
  394
- Assembly 6: Upper Unit
  396
- Assembly 7: Base 1
  400
- Assembly 8: Base 2
  402
- Assembly 9: Base 3
  404
- Assembly 10: Electrical
  406
- Assembly 11: Rip Board
  410
- Assembly 12: Fuser Unit
  412
- Assembly 13: Cassette
  414
- Assembly 14: Expansion Feeder 1
  416
- Assembly 15: Expansion Feeder 2
  418
- Assembly 16: Duplex Unit 1
  422
- Assembly 17: Duplex Unit 2
  424
- Assembly 18: High-Capacity Feeder 1
  426
- Assembly 19: High-Capacity Feeder 2
  428
- Assembly 20: High-Capacity Feeder 3
  430
- Assembly 21: High-Capacity Feeder 4
  432
- Assembly 22: High-Capacity Feeder 5
  434
- Assembly 23: High-Capacity Feeder 6
  436
- Assembly 24: Finisher Covers
  438
- Assembly 25: Finisher Frame
  441
- Assembly 26: Finisher Feed 1
  442
- Assembly 27: Finisher Feed 2
  446
- Assembly 28: Finisher Elevator
  448
- Assembly 29: Finisher Electronics
  450
- Assembly 30: Finisher Docking 1
  452
- Assembly 31: Finisher Docking 2
  454
- Assembly 32: Miscellaneous/Options
  456
- Assembly 33: Finisher Parts Packet P/N 56P9480
  465
5055 XXX

406
Index

467
Part Number Index

475

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