Lexmark C76X Workgroup Laser Printer Manuals

Manuals and User Guides for Lexmark C76X Workgroup Laser Printer. We have 3 Lexmark C76X Workgroup Laser Printer manuals available for free PDF download: Service Manual, Troubleshooting Manual, User Manual

Lexmark C76X Service Manual (474 pages)

C77/C78 Series

Brand: Lexmark | Category: Printer | Size: 15 MB

Table of Contents
3
Notices and Safety Information

11
- Laser Notice
  
  11
- Safety Information
  
  17
Preface

20
- Conventions
  
  20
General Information

21
- Models
  
  21
- Tools Required for Service
  
  21
- Options and Features
  
  22
  - Options for All Models
    22
  - Options for C772 and C782 (310 and 410)
    22
  - Automatic Calibration
    23
  - Toner Darkness
    23
- Printer Specifications
  
  24
  - Electrical Specifications
    25
- Power and Performance
  
  27
  - Time to First Print
    27
  - Memory Configuration
    28
- Media Specifications
  
  29
  - Media Sizes
    30
  - Media Guidelines
    37
    
    Paper
    37
    
    Paper Characteristics
    38
    
    Selecting Paper
    39
    
    Unacceptable Paper
    39
- Web Oiler Upgrade Kit and Replacements
  
  40
- Acronyms
  
  41
Diagnostic Information

43
- Start
  
  43
- POR (Power-On Reset) Sequence
  
  44
- Symptom Tables
  
  45
- Service Error Code and Paper Jam Message Table
  
  49
- Service Checks
  
  56
  - ITU Error Service Check
    56
  - ITU Error Service Check
    59
  - Error Code Service Check
    60
  - Error Code Service Check
    61
  - And 122.06 Error Code Service Check
    63
  - 122.14, and 122.15 Error Code Service Check
    64
  - Error Code Service Check
    67
  - XX Error Code Service Check
    67
  - Error Code Service Check
    68
  - Error Code Service Check
    70
  - Paper Jam Service Check
    70
  - Paper Jam Service Check
    71
  - Paper Jam Service Check
    72
  - 200.28, and 200.29 Paper Jam Service Check
    73
  - Paper Jam Service Check
    73
  - Paper Jam Service Check
    75
  - And 202.XX Paper Jam Service Check
    75
  - Paper Jam Service Check
    77
  - Paper Jam Service Check
    78
  - Paper Jam Service Check
    79
  - Envelope Feeder
    82
  - Paper Jam Service Check
    83
  - Paper Jam Service Check
    88
  - Paper Jam Service Check
    89
  - Paper Jam Service Check
    91
  - Paper Jam Service Check
    92
  - Paper Jam Service Check
    93
  - XX RIP Software Error Service Check
    93
  - Error Code Service Check
    96
  - Error Code Service Check
    98
    
    Error Code Service Check
    100
    
    XX Error Code Service Check
    102
    
    Error Code Service Check
    104
  - Service Error Service Check
    106
  - Error Service Check
    106
  - Error Service Check
    107
  - Output Expander
    108
  - 5-Bin Mailbox Option Service Check
    109
  - 500-Sheet Drawer Option Service Check
    113
  - AC and DC Power Service Check
    116
  - DC Power Service Check
    117
  - Autocompensator Service Check
    118
  - Black Only Retract (BOR) Service Check
    120
  - Close Door/Hvps/Printhead Interlock Switch Service Check
    121
  - Duplex Option Service Check
    123
  - Envelope Feeder Option Service Check
    125
  - HCIT 2000-Sheet Option Service Check
    126
  - Fuser Drive Assembly Noise Check
    129
  - Operator Panel Lcd/Status Led/Buttons Service Check
    130
  - Output Expander Option Service Check
    132
  - Print Quality Service Check
    135
    
    Blank Page (no Image)
    135
    
    Entire Page Is Mostly One Color-Full Bleed Planes in One Color
    136
    
    Missing Colors-Complete or Partially Missing Color Planes
    137
    
    Black and White Only-Cyan, Magenta, and Yellow Are Missing
    138
    
    Light Print over the Entire Page
    138
    
    All Colors Have Light Print over the Entire Page
    139
    
    One Color Has Light Print over the Entire Page
    139
    
    Horizontal Lines or Streaks
    140
    
    Vertical Lines or Streaks
    140
    
    Low Image Density
    141
    
    Poor Color Alignment
    141
    
    Transparency Print Quality Is Poor
    142
    
    Negative Ghosting or Faded Image
    143
    
    Residual Image
    143
    
    Uneven Printing
    143
    
    Smudged or Distorted Images on Fused Page
    144
    
    Toner Smears or Rubs off the Page with no Error Code Displayed
    144
    
    Light Lines or Streaks Appear on the Page
    145
    
    Toner Is on the Back of the Printed Page
    145
    
    Paper Wrapped Around the Second Transfer Roll
    146
    
    White Streak in Color Plane
    146
    
    User Troubleshooting for Quality
    147
    
    Second Transfer Roll Service Check
    151
    
    Staplesmart Finisher Service Check
    153
    
    Tray 1 Service Check
    157
    
    Tray 1 Media Size Sensing Service Check
    158
- User Operator Panel, Menus, and Messages
  
  159
  - Operator Panel Buttons
    159
  - Understanding the Printer Operator Panel
    159
  - Menu Map
    161
    
    Quality Menu
    162
    
    Selected Menus
    162
    
    Utilities Menu
    164
  - User Attendance Messages
    166
Diagnostic Aids

179
- Diagnostic Procedures
  
  179
  - Printhead Diagnostics
    179
  - Print Quality Defect Locator Chart
    181
  - Partial Print Test
    182
  - HCIT Standalone Test Mode
    183
- Accessing Service Menus
  
  184
- Diagnostics Mode
  
  185
  - Entering Diagnostics Mode
    185
  - Diagnostic Mode Menus
    185
  - Exiting the Diagnostics Mode
    187
  - Registration
    188
  - Alignment Menu
    189
    
    Setting Alignment for Color
    189
    
    Drift Sensors
    190
  - Misc Tests
    191
    
    Belt Tracking (ITU 4Th Point Adjustment)
    191
    
    Toggle ITU
    191
    
    Printhead Inst
    192
  - Print Tests
    192
    
    Print Tests (Input Sources)
    192
    
    Print Quality Pgs
    193
  - Hardware Tests
    193
    
    Button Test
    193
    
    LCD Test
    193
    
    CACHE Test
    194
    
    DRAM Test
    194
    
    Parallel Wrap Test
    195
    
    Serial Wrap Test
    196
  - Duplex Tests
    197
    
    Duplex Quick Test
    197
    
    Duplex Sensor Test
    197
    
    Duplex Top Margin Offset
    197
  - Input Tray Tests
    198
    
    Feed Test
    198
    
    Sensor Test
    198
  - Output bin Tests
    199
    
    Feed Test
    199
    
    Feed to All Bins
    199
    
    Diverter Test
    200
    
    Sensor Test
    200
  - Finisher Tests
    201
    
    Finisher Feed Test
    201
    
    Finisher Sensor Test
    201
    
    Staple Test
    201
  - Base Sensor Test
    202
  - Device Tests
    203
    
    Disk Test/Clean
    203
    
    Flash Test
    203
    
    Quick Disk Test
    203
  - Printer Setup
    204
    
    Defaults
    204
    
    Page Counts
    204
    
    Configuration ID
    205
    
    Engine Setting X
    205
    
    Model Name
    205
    
    Serial Number
    205
    
    Cal Ref Adj
    206
    
    Edge to Edge
    206
    
    Reset Color Calibration
    206
  - Ep Setup
    206
    
    DC Charge Adjustment
    206
    
    Dev Bias Adj
    206
    
    EP Defaults
    206
    
    Fuser Temp
    206
    
    Transfer Adjust
    206
  - Error Log
    207
    
    Display Log
    207
    
    Print Log
    207
    
    Clear Log
    208
  - Exit Diagnostics
    208
Configuration Menu

209
- Entering Config Menu
  209
- Exiting the Config Menu
  209
- Reset Fuser Cnt
  210
- Black Only Mode
  210
- Prt Quality Pgs
  210
- Color Trapping
  210
- Tray Insert Msg
  210
- Size Sensing
  210
- Panel Menus
  211
- PPDS Emulation
  211
- Demo Mode
  211
- Factory Defaults
  211
- Energy Conserve
  211
- Event Log
  211
  - Auto Color Adjust
    212
  - Paper Prompts
    212
  - Env Prompts
    212
  - Font Sharpening
    212
  - Jobs on Disk
    213
  - Disk Encryption
    213
  - Exit Config Menu
    213
- Paper Jams
  
  214
  - Identifying Jams
    214
  - Access Doors and Trays
    214
  - Understanding Jam Messages
    215
    
    Paper Jam Messages
    215
  - Clearing the Entire Paper Path
    216
    
    Area a
    216
    
    Area B
    217
    
    Area C
    217
    
    Area D
    218
    
    Area T1
    218
    
    Area E
    219
    
    Area T<X
    219
    
    Area J
    220
    
    Area K
    220
    
    Area L
    221
    
    Clearing Mailbox, Finisher, or Output Expander Jams (Area M)
    221
    
    Clearing Fuser Jams
    222
    
    Clearing Image Transfer Unit Jams
    223
    
    If You Still Need Help
    228
Repair Information

229
- Handling ESD-Sensitive Parts
  
  229
- Screw Identification Table
  
  230
- Removal Procedures
  
  234
  - Operator Panel Bezel Removal
    235
  - Lens Removal
    237
  - Front Cover Rear Pivot Cover Removal
    238
  - Front Cover or Front Cover Backplate Assembly Removal
    239
  - Redrive Cap Removal
    240
  - Top Cover Assembly Removal
    241
  - Installation Notes
    244
  - Front Lower Left Cover Removal
    245
  - Paper Path Access Door Removal
    246
  - Front Left Handle Cover Assembly Removal
    247
  - Front Lower Right Cover Removal
    247
  - Front Right Handle Cover Assembly Removal
    249
  - Rear Cover Removal
    250
  - Lower Right Door Assembly Removal
    252
  - Left Lower Cover Removal
    252
  - Lower Jam Access Door Assembly Removal
    253
  - Redrive Door Removal
    254
  - Autocompensator Pick Assembly Removal
    255
  - BOR Drive Assembly Removal
    262
  - Cartridge Contact Assembly Removal
    263
  - Cartridge Drive Assembly Removal
    266
  - Developer HVPS Board Removal
    267
  - Friction Buckler and Buckler Housing Removal
    268
  - Front Right Light Shield Removal
    270
  - Fuser Assembly Removal
    272
  - Fuser Bottom Duct Removal
    274
  - Fuser Drive Assembly Removal
    274
  - Fuser Fan Removal
    275
  - Fuser Top Duct Removal
    275
  - Inner System Board Shield Removal
    276
  - ITU Assembly Removal
    277
  - ITU Drive Assembly Removal
    280
  - LVPS Assembly Removal
    281
  - Media Size Sensing Assembly Removal
    283
  - Media Size Sensing Board Removal
    286
  - Multipurpose Feeder (MPF) Removal
    287
  - Multipurpose Feeder (MPF) Autocompensator or Side Restraints Removal
    290
  - Multipurpose Feeder (MPF) Motor Removal
    292
  - Nip Relief Handle Removal
    293
  - Operator Panel Assembly Removal
    296
  - Outer System Board Shield Removal
    297
  - Pick Rolls Removal
    298
  - Printhead Removal and Adjustments
    300
    
    Mechanical Alignment
    300
    
    Black Printhead Electronic Alignment
    305
    
    Color Printhead Electronic Alignment
    306
  - Rear Bellcrank Removal (Cyan, Magenta, Yellow)
    307
  - Rear Bellcrank (Black) Removal
    309
  - Redrive Assembly Removal
    310
  - Registration Motor Removal
    311
  - Rib Housing Removal
    312
  - RIP Fan Removal
    314
  - S2/Narrow Media/Transparency/Multipurpose Feeder Cable Removal
    315
  - S2/Narrow Media/Transparency/Multipurpose Feeder Sensors Removal
    316
  - Second Transfer Roll Removal
    316
  - System Board Removal
    317
  - Transfer HVPS Board Removal
    319
  - Transfer Plate Assembly Removal
    322
  - Vacuum Transport Belt (VTB) Removal
    323
  - Vacuum Transport Belt (VTB) Fan Removal
    325
  - Waste Container Door Removal
    325
  - Waste Container Latch Removal
    326
  - Web Oiler Fuser Assembly and Card Removal and Replacement
    327
Connector Locations

333
- Locations
  
  333
  - Printer Boards
    333
  - Printer Motors
    334
  - Printer Sensors
    335
  - Cartridge Contact Assembly Pin Locations (Cyan, Magenta and Yellow)
    336
  - Cartridge Contact Assembly Pin Locations (Black)
    337
  - System Board Cabling Reference
    338
- Connectors
  
  339
  - System Board
    339
  - Autoconnect-Top
    350
  - Autoconnect-Bottom
    351
  - Transfer High Voltage Power Supply (HVPS)
    352
  - Developer High Voltage Power Supply (HVPS) Board
    354
  - Low Voltage Power Supply (LVPS)
    355
    
    LVPS Cable Connectors to System Board
    355
    
    LVPS Fuser Connectors
    356
  - Media Size Sensing Board
    357
  - High-Capacity Input Tray (HCIT)
    358
  - Hcit 2000-Sheet Board
    358
  - Staplesmart Finisher
    360
Preventive Maintenance

363
- Safety Inspection Guide
  
  363
- Scheduled Maintenance
  
  363
  - Standard Fusers
    363
  - ITU Maintenance Kits
    363
- Lubrication Specifications
  
  364
- Lubrication for Replacement Motors
  
  364
  - Fuser Drive Assembly
    364
  - Cartridge Drive Assembly
    365
  - ITU Drive Assembly
    365
Parts Catalog

367
- How to Use this Parts Catalog
  
  367
- Assembly 1: Covers
  
  368
- Assembly 2: Cartridge Mounting
  
  372
- Assembly 3: Fuser Assembly
  
  373
- Assembly 4: Fuser Drive
  
  376
- Assembly 5: Vacuum Transport Belt (VTB) Assembly
  
  377
- Assembly 6: Transfer
  
  378
- Assembly 7: Printheads
  
  379
- Assembly 8: Paper Feed Output (Redrive)
  
  380
- Assembly 9: Paper Feed Input
  
  381
- Assembly 10: Media Size Sensing
  
  382
- Assembly 11: Paper Feed Transport
  
  383
- Assembly 12: Multipurpose Feeder (MPF)
  
  384
- Assembly 13: 500-Sheet Integrated Tray
  
  386
- Assembly 14: Autocompensator Assembly
  
  387
- Assembly 15: ITU Assembly
  
  388
- Assembly 16: ITU Drive Assembly
  
  389
- Assembly 17: ITU Loading
  
  390
- Assembly 18: Waste Toner
  
  392
- Assembly 19: BOR Drive Assembly
  
  393
- Assembly 20: Cartridge Contact Assembly
  
  394
- Assembly 21: Cartridge Drive Assembly
  
  395
- Assembly 22: Electronics
  
  396
- Assembly 23: Electronics-Cabling Interconnections 1
  
  402
- Assembly 24: Electronics-Cabling Interconnections 2
  
  408
- Assembly 26: Electronics-Cabling Interconnections 4
  
  408
- Assembly 25: Electronics-Cabling Interconnections 3
  
  408
- Assembly 27: Output Expander
  
  408
- Assembly 28: 5-Bin Mailbox
  
  412
- Assembly 29: 500-Sheet Drawer Option
  
  416
- Assembly 30: Duplex Option
  
  420
- Assembly 31: High-Capacity Input Tray (HCIT)
  
  426
- Assembly 32: Staplesmart Finisher
  
  429
- Assembly 33: Envelope Option
  
  432
- Assembly 34: Outdoor Media Tray Option
  
  434
- Assembly 35: Banner Option
  
  435
- Assembly 36: Options
  
  436
Appendix A-Service Tips

439
- Identifying the Printheads
  
  439
- Redrive Belt Routing
  
  440
- Duplex Option Deflector Button Replacement
  
  441
Appendix B-Print Quality Samples

443
Index

453
Part Number Index

461

Lexmark C76X Troubleshooting Manual (4 pages)

Troubleshooting Guide

Brand: Lexmark | Category: Printer | Size: 0 MB

Lexmark C76X User Manual (3 pages)

Lexmark Printer Accessories User Manual

Brand: Lexmark | Category: Printer | Size: 0 MB

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Lexmark C76X Workgroup Laser Printer Manuals

Lexmark C76X Service Manual (474 pages)

Table of Contents

Notices and Safety Information

Laser Notice

Safety Information

Preface

Conventions

General Information

Models

Tools Required for Service

Options and Features

Printer Specifications

Power and Performance

Media Specifications

Web Oiler Upgrade Kit and Replacements

Acronyms

Diagnostic Information

Start

POR (Power-On Reset) Sequence

Symptom Tables

Service Error Code and Paper Jam Message Table

Service Checks

User Operator Panel, Menus, and Messages

Diagnostic Aids

Diagnostic Procedures

Accessing Service Menus

Diagnostics Mode

Configuration Menu

Paper Jams

Repair Information

Handling ESD-Sensitive Parts

Screw Identification Table

Removal Procedures

Connector Locations

Locations

Connectors

Preventive Maintenance

Safety Inspection Guide

Scheduled Maintenance

Lubrication Specifications

Lubrication for Replacement Motors

Parts Catalog

How to Use this Parts Catalog

Assembly 1: Covers

Assembly 2: Cartridge Mounting

Assembly 3: Fuser Assembly

Assembly 4: Fuser Drive

Assembly 5: Vacuum Transport Belt (VTB) Assembly

Assembly 6: Transfer

Assembly 7: Printheads

Assembly 8: Paper Feed Output (Redrive)

Assembly 9: Paper Feed Input

Assembly 10: Media Size Sensing

Assembly 11: Paper Feed Transport

Assembly 12: Multipurpose Feeder (MPF)

Assembly 13: 500-Sheet Integrated Tray

Assembly 14: Autocompensator Assembly

Assembly 15: ITU Assembly

Assembly 16: ITU Drive Assembly

Assembly 17: ITU Loading

Assembly 18: Waste Toner

Assembly 19: BOR Drive Assembly

Assembly 20: Cartridge Contact Assembly

Assembly 21: Cartridge Drive Assembly

Assembly 22: Electronics

Assembly 23: Electronics-Cabling Interconnections 1

Assembly 24: Electronics-Cabling Interconnections 2

Assembly 26: Electronics-Cabling Interconnections 4

Assembly 25: Electronics-Cabling Interconnections 3

Assembly 27: Output Expander

Assembly 28: 5-Bin Mailbox

Assembly 29: 500-Sheet Drawer Option

Assembly 30: Duplex Option

Assembly 31: High-Capacity Input Tray (HCIT)

Assembly 32: Staplesmart Finisher

Assembly 33: Envelope Option

Assembly 34: Outdoor Media Tray Option

Assembly 35: Banner Option

Assembly 36: Options