Lexmark C920dtn Color Laser Printer Manuals

Manuals and User Guides for Lexmark C920dtn Color Laser Printer. We have 1 Lexmark C920dtn Color Laser Printer manual available for free PDF download: Service Manual

Lexmark C920dtn Service Manual (366 pages)

Color Laser Printer

Brand: Lexmark | Category: Printer | Size: 9 MB

Table of Contents
3
Notices and Safety Information

13
- Laser Notice
  
  13
- Safety Information
  
  17
Preface

20
- Definitions
  
  20
General Information

21
- Overview
  
  21
  - Resolution
    21
  - Model Differences
    21
- Options and Features
  
  22
  - Compatibility
    22
- Technical Specifications
  
  23
  - Toner Darkness
    23
  - Color Correction Settings
    23
  - Physical Specifications and Weight
    23
  - Print Speed and Performance
    24
  - Performance
    25
  - Time to First Print
    25
  - Processor
    25
  - Duty Cycle
    25
  - Printer Memory
    26
    
    Memory Configuration
    26
    
    Available Memory Options
    26
    
    Memory and Expansion Slots
    26
  - Resident Fonts
    26
- Paper and Media Specifications
  
  27
  - Media Size Supported
    28
    
    Input
    28
    
    Output
    30
  - Input Media Types and Weights
    32
  - Input Capacity by Media and Source
    33
  - Output Capacity by Media and Source
    34
  - Media Guidelines
    35
    
    Paper
    35
    
    Envelopes
    35
    
    Transparencies
    35
    
    Labels
    35
    
    Lexmark Glossy Paper
    35
  - Print Area
    35
- Connectivity
  
  36
  - Standard
    36
  - Network Connections
    36
    
    Internal Network Connections
    36
  - Data Streams
    36
  - Operating Systems
    36
- Power and Electrical Specifications
  
  37
  - Power Requirements
    37
    
    Electrical Specifications
    37
    
    Low Voltage Models
    37
    
    High Voltage Models
    37
  - Operating Clearances
    38
- Environment
  
  38
  - Printer Temperature and Humidity
    38
- Maintenance Approach
  
  39
  - Standard Inspection and Cleaning Procedure
    39
  - Return Parts
    40
  - Service Recommendations
    40
  - Tools
    40
  - Serial Number, Configuration ID, and Part Number
    40
  - Acronyms
    41
Diagnostic Information

43
- Start
  
  43
  - Initial Check
    43
  - Symptom Table
    45
- Printer Messages
  
  47
  - Service Error Message Tables
    47
    
    RIP Software Error
    47
    
    Drive Motor Error
    51
    
    Paper Exit Motor Error
    51
    
    High-Capacity Feed Motor Error
    52
    
    RIP Fan Error
    52
    
    Main Unit Fan Error
    52
    
    Power Supply Fan Error
    52
    
    Fuser Error-Fuser Heater Trouble
    53
    
    Upper Fuser Thermistor Open Error
    53
    
    Lower Fuser Thermistor Open Error
    53
    
    HVU Error
    54
    
    926(K), 927(C), 928(Y), 929(M) - Toner Sensor Error
    54
    
    Yellow Printhead Error
    55
    
    Magenta Printhead Error
    55
    
    Cyan Printhead Error
    56
    
    Black Printhead Error
    56
    
    Color Drum Sensor Error
    57
    
    Black Drum Sensor Error
    57
    
    Cassette Error
    57
    
    High-Capacity Feed Sensor Error
    58
    
    High-Capacity Feed Tray Error
    58
    
    Duplex Error
    58
    
    Engine Flash Error
    58
    
    Printer/Printhead Controller Board Communication Error
    59
    
    Finisher Communication Error
    59
    
    Machine ID Error
    60
    
    Tray (X) Comm
    60
    
    Mirror Mismatch
    61
    
    NVRAM Chip Failure
    61
    
    NVRAM CRC Failure
    61
    
    Code CRC
    61
    
    Processor Failure
    62
    
    ASIC Failure
    62
    
    NAND Failure
    62
    
    RAM Slot 1 Bad
    62
    
    RAM Slot 2 Bad
    62
    
    Emulation Error
    62
    
    Standard Network Error
    62
    
    Unrecognizable Network Port
    62
    
    Unrecoverable Software Error in Network Port
    63
    
    Bad Checksum While Programming Network Card
    63
    
    Flash Parts Failed While Programming Network Port
    63
    
    Face Up/Down Switching Error
    63
    
    Belt Up/Down Sensor Error
    64
    
    Sensor Controller Error
    65
    
    Black Gear Sensor Error
    65
    
    Yellow Gear Sensor Error
    65
    
    Transfer Belt Thermistor Error
    66
    
    Transparency (OHP) Sensor Error
    66
    
    Service Toner Cartridge
    66
    
    Service Paper Option
    67
    
    Temperature/Humidity Sensor Error
    67
    
    CPU Error
    67
    
    Density Sensor Error
    68
    
    Finisher Main Feed Motor Abnormal
    69
    
    Finisher Jogging Motor Error
    69
    
    Finisher Tractor Motor Error
    70
    
    Tray Elevator Motor Error
    70
    
    Stapler Motor Error
    71
  - Attendance Messages
    72
    
    Clearing Finisher Messages
    84
  - Maintenance Analysis Procedures (MAPS)
    85
    
    Map 1 - False Side Door Open Message
    85
    
    Map 2 - False Close Front Door Message
    85
    
    Map 3 - False Close Tray (X) Top Cover Message
    85
    
    Map 4 - False Tray (X) Low/Empty Message
    86
    
    Map 5 - False 30 Oil Coating Roll Missing Message
    86
    
    Map 6 - False <Color> Print Unit Missing Message
    87
    
    Map 7 - False 88 <Color> Toner Low/Toner Empty Message
    87
    
    Map 8 - False 40 Tray (X) Size Sensor Error Message
    88
    
    Map 9 - False 41 Open bin 1 Exit Tray Message
    88
    
    Map 10 - Unrecoverable Check Tray (X) or Duplex Connection Message
    89
    
    Map 11 - Paper Size Map
    90
    
    Map 12 - Unable to Print from USB Drive Service Check
    91
    
    Map 13 - False Tray (X) too Full
    91
    
    Map 14 - False 32 - Replace Unsupported Cartridge
    91
- Service Checks
  
  92
- Image Quality Troubleshooting
  
  105
  - Print Quality Problems
    105
    
    No Image
    108
    
    Black Line
    108
    
    Black Print
    109
    
    Missing Colors
    109
    
    Uneven Printing
    109
    
    Periodic Dirt
    110
    
    White Spots
    110
    
    Vertical White Banding
    110
  - Options Service Check
    110
    
    Serial Port
    110
    
    Flash Memory Option(S)
    110
    
    DRAM Memory Option(S)
    110
    
    Hard Disk Option
    111
    
    Network Card Option
    111
    
    Error Code 976 - Network Card X
    111
    
    Network <X> Software Error
    111
Diagnostic Aids

113
- Power-On Self Test Sequence
  113
- Understanding the Printer Operator Panel
  114
- Printing the Menu Settings
  115
- Operator Menu Disabled
  115
- Menu Overview
  116
- Diagnostics
  
  117
  - Diagnostics Menu Overview
    117
  - Alignment
    119
    
    Auto Alignment
    119
    
    Cyan, Yellow, Magenta
    119
  - Print Tests
    120
  - [Input Source]" Print Test
    120
    
    Output bin 1 (Print Tests)
    120
    
    Print Quality Pages
    120
  - Hardware Tests
    120
    
    Panel Test
    120
    
    Button Test
    121
    
    Cache Test
    121
    
    DRAM Test
    122
    
    Parallel Wrap Test
    122
    
    Serial Wrap Test
    124
  - Output bin Tests
    125
    
    Feed Tests (Output Bin)
    125
    
    Feed to All Bins
    125
    
    Sensor Test (Output Bin)
    125
  - Finisher Tests
    126
    
    Feed Test
    126
    
    Hole Punch Test
    126
    
    Sensor/Sw Test
    126
    
    Staple Test
    127
  - Device Tests
    128
    
    Quick Disk Test
    128
    
    Disk Test/Clean
    128
    
    Flash Test
    128
  - Printer Setup
    129
    
    Defaults
    129
    
    Light Quantity
    129
    
    Page Counts
    129
    
    Serial Number
    130
    
    Model Name
    130
    
    Configuration ID
    130
    
    Reset Color Calibration
    131
    
    Par [X] Strobe Adj
    131
    
    Par S Strobe Adj
    131
    
    Par 1 Strobe Adj
    131
    
    Par 2 Strobe Adj
    131
    
    Par 3 Strobe Adj
    131
  - Event Log
    132
    
    Display
    132
    
    Print
    132
    
    Clear
    132
  - Exit Diagnostics
    132
- Configuration Menu
  
  133
  - Black Only Mode
    133
  - Print Quality Pages
    133
  - Color Trapping
    133
  - Panel Menus
    133
  - PPDS Emulation
    133
  - Demo Mode
    133
  - Factory Defaults
    134
  - Energy Conserve
    134
  - Event Log
    134
  - Auto Align Adjust
    134
  - Auto Color Adjust
    134
  - Paper Prompts
    134
  - Envelope Prompts
    134
  - Jobs on Disk
    135
  - Disk Encryption
    135
  - Font Sharpening
    135
  - Standby Disabled
    135
  - Exit Config Menu
    135
- Theory of Operation
  
  136
  - Processes and Configuration
    136
  - Electrophotography Process
    136
  - Development Unit
    136
  - Transfer Unit
    137
  - Cleaning Unit
    137
  - Fusing
    138
  - Drive System
    140
  - Paper Feeding
    141
  - Cassette Paper Feeder
    141
  - Multipurpose Feeding
    142
  - Registration Unit
    142
  - Belt Unit
    143
  - Belt Up/Down
    143
  - Delivery
    144
  - Expansion Paper Feeder
    144
  - Duplex Unit
    144
  - Paper Weight
    145
    
    Purpose
    145
    
    Values
    145
  - Clearing Paper Jams
    146
    
    Paper Jam
    146
    
    Paper Jam
    148
    
    Paper Jam
    149
  - High-Capacity Feeder (HCF)
    150
    
    Paper Feed and Separation Mechanism
    150
    
    Registration Operation
    150
    
    Tray Up/Down Mechanism
    151
    
    Tray up Condition
    152
    
    Tray down Condition
    152
    
    Size Detection Mechanism
    153
    
    Residual Paper Detection Mechanism
    154
    
    Paper End Detection
    154
  - Maintenance Mode
    155
    
    DIP Switch Specifications
    155
  - Finisher
    156
    
    Finisher Cross Section
    157
    
    Electrical Parts Function
    157
    
    Paper Feed Mechanism
    158
    
    Straight Paper Path (Exit Paper to Upper Tray)
    158
    
    Path Select Gate
    158
    
    Inverting Paper Path (Exit Paper to Lower Tray through Accumulator)
    159
    
    Accumulator
    159
    
    Paper Registration Sequence
    160
    
    Punch Unit Driving Sequence
    160
    
    Jogging / Offset Mechanism
    161
    
    Jogging Sequence
    161
    
    Offsetting Sequence
    161
    
    Detection of Fixed Position
    161
    
    Stapling Mechanism
    162
    
    Elevator Sequence
    163
- Finisher Installation
  
  164
  - Attaching the Docking Plate and Guide Rail
    164
  - Combining the Finisher and Stand
    166
  - Attaching the Bins
    170
  - Aligning the Finisher and Printer
    171
    
    Lowering or Raising the Finisher
    172
    
    Aligning the Sides of the Finisher
    174
    
    Aligning the Top of the Finisher
    175
  - Adjusting the Wheels
    176
  - Attaching the Cables
    177
    
    Interface Cable
    178
    
    Power Cable
    179
  - Hole Punch Adjustment
    181
Repair Information

183
- Handling ESD-Sensitive Parts
  183
- Service Precautions
  183
- RIP Board/Operator Panel Replacement
  184
- Handling Printed Circuit Boards
  184
  - Transportation/Storage
    184
  - Replacement
    184
  - Inspection
    184
  - Check Finisher Alignment When Moving or Servicing the Finisher
    185
- Adjustments
  
  186
- Removals
  
  188
  - Cover, Top Removal
    188
  - Front Door / Operator Panel Removal
    189
  - Cover, Front Left Removal
    190
  - Cover, Rear Removal
    191
  - Cover, Solenoid Removal
    191
  - Cover, Left Side Removal
    191
  - Cover, Right Side Removal
    192
  - Cover, RIP Board Removal
    193
  - Tray, Paper Exit Removal
    194
  - Belt Up/Down Clutch Removal
    194
  - Cassette Guide Removal
    195
  - CK1 Daughter Board Removal
    195
  - CK2 Daughter Board Removal
    195
  - Connector, Duplex Unit Removal
    196
  - Paper Tray Lift Motor Removal
    196
  - Drive Gear Unit Sensor Assembly Removal
    197
  - Density Sensor Removal/Separation Fingers Removal/Sensor Cleaner Removal
    197
  - Electronic Box Removal
    198
  - Face up Paper Exit Assembly Removal
    199
  - Front Cover Open Switch Actuator Removal
    199
  - Fuser Removal
    200
  - Gear Cover Removal/Multipurpose Feeder Frame Assembly
    201
  - High Voltage Power Supply Board (HVPS) Removal
    202
  - LED Printhead Removal
    202
  - Eraser Removal
    203
  - Lock Handle Assembly Removal
    204
  - Main Drive Unit Removal
    205
  - Main Unit Fan Removal
    207
  - Motor Drive Board Removal
    207
  - Multipurpose Feeder Paper Present Sensor Removal
    207
  - Multipurpose Feeder Tray Removal
    208
  - Paper Feed Unit Removal
    208
  - Paper-Feed Rollers Removal
    210
    
    Paperpath Maintenance
    210
  - Paper Carrying Frame Removal / Roll Removal
    211
  - Registration Frame
    212
  - Registration Clutch Removal
    212
  - Registration Sensor Removal
    212
  - Relay Roller Removal
    213
  - Face down Guide Assembly Removal
    214
  - Face down Exit Roll Removal
    214
  - Power Supply 1 Removal
    217
  - Power Supply 2 Removal
    218
  - Power Switch Removal
    219
  - Printer Controller Removal
    219
  - Printhead Controller Board Removal
    220
  - Left Slide Rail Removal
    221
  - RIP Box Removal
    221
  - Sensor Board Removal
    222
  - Stay Arm Removal
    222
  - Sub-Frame Removal
    223
  - Sub Frame F1, Sub Frame F2 Removal
    224
  - Temperature/Humidity Sensor Removal
    224
  - Top Unit Removal
    225
  - Transfer Belt Removal
    225
  - Turn Guide Cover Sensor Removal
    229
  - Upper Fan Removal
    229
- Expansion Feeder Removals
  
  231
  - Turn Guide Door Removal
    231
  - Expansion Feeder Controller Board Removal
    231
  - Size Sensor Board Removal
    231
  - Stepper Motor Removal
    232
  - Paper Feed Assembly Removal
    233
  - Paper Tray Lift Motor Removal
    234
  - Expansion Feeder Turn Guide Door Sensor Assembly Removal
    234
- Duplex Removals
  
  235
- High-Capacity Feeder (HCF) Removals
  
  240
  - HCF Covers Removal
    240
  - HCF Call Roller, Paper Feed Roller, Reverse Roller Removal
    241
  - HCF Pickup Solenoid Removal
    241
  - HCF Paper End Sensor Removal
    242
  - HCF Paper Size Sensors (1, 2) Removal
    242
  - HCF Tray Motor Removal
    243
  - HCF Paper Level Sensor Removal
    244
  - HCF Power Supply Removal
    244
- Finisher Removals
  
  245
  - External Covers Removals
    245
  - Finisher Control Board Removal
    246
  - Elevator Motor Removal
    247
  - Feed Motor Assembly Removal
    247
  - Hole Punch Removal
    248
  - Inverter Paper Exit Discharge Brush Removal
    249
  - Inverter Paper Exit Roller Removal
    249
  - Jogging Unit Removal
    250
  - Path Select Gate Removal
    251
  - Patting Roller Removal
    252
  - Power Supply Removal
    254
  - Registration Roller Removal
    255
  - Registration Roller Clutch Removal
    255
  - Stack Area Discharge Brush Removal
    256
  - Staple Unit Removal
    256
  - Straight Paper Exit Discharge Brush Removal
    257
  - Straight Paper Exit Roller Removal
    257
  - Timing Belts 1 and 2 Removal
    259
  - Tractor Belt Removal
    260
  - Tractor Drive Motor Assembly Removal
    261
Locations

263
- Covers Diagram
  263
- Major Parts Diagram
  264
- Sensor and Switch Locations
  265
- Component Locations
  266
- Printer Controller Board
  267
- Printer Controller Board Connectors
  268
- Printhead Controller Board
  269
- Printhead Controller Board Connectors
  270
  - CK1 Board Connectors
    271
  - CK2 Board Connectors
    272
  - RIP Board
    273
  - RIP Board Connectors
    273
  - LVPS 1 Board Connectors
    274
  - LVPS 2 Board Connectors
    275
  - High Voltage Power Supply Board
    276
  - Sensor Board Connectors
    276
    
    Expansion Paper Feeder Controller Board
    277
  - Duplex Unit Controller Board
    278
  - Motor Drive Board Connectors
    278
  - Size Sensor Board
    279
  - Paper Feed Actuators
    280
  - Paper Feed Roller Clutch
    280
  - High-Capacity Feeder (HCF)
    281
  - High-Capacity Paper Feed Configuration
    281
  - Electrical Parts Layout
    282
  - Driving Parts Layout
    282
  - Finisher Locations
    283
Preventive Maintenance

287
- Maintenance Kit
  287
- Paper Path Maintenance
  287
- Periodic Maintenance
  288
- Lubricants and Cleaners
  288
Parts Catalog

289
- How to Use this Parts Catalog
  
  289
- Assembly 1: Covers 1
  
  290
- Assembly 2: Covers 2
  
  292
- Assembly 3: Covers 3
  
  293
- Assembly 4: Covers 4
  
  294
- Assembly 5: Covers 5
  
  295
- Assembly 6: Upper Unit
  
  296
- Assembly 7: Paper Feed
  
  298
- Assembly 8: Base 2
  
  300
- Assembly 9: Base 3
  
  300
- Assembly 10: Electrical a
  
  304
- Assembly 11: Electrical B
  
  308
- Assembly 12: RIP Board
  
  310
- Assembly 13: Fuser Unit
  
  311
- Assembly 14: Cassette
  
  312
- Assembly 15: Expansion Feeder 1
  
  314
- Assembly 16: Expansion Feeder 2
  
  316
- Assembly 17: Duplex Unit 1
  
  318
- Assembly 18: Duplex Unit 2
  
  320
- Assembly 19: High-Capacity Feeder 1
  
  322
- Assembly 20: High-Capacity Feeder 2
  
  324
- Assembly 21: High-Capacity Feeder 3
  
  326
- Assembly 22: High-Capacity Feeder 4
  
  328
- Assembly 23: High-Capacity Feeder 5
  
  330
- Assembly 24: High-Capacity Feeder 6
  
  332
- Assembly 25: Finisher Covers
  
  334
- Assembly 26: Finisher Frame
  
  336
- Assembly 27: Finisher Feed 1
  
  338
- Assembly 28: Finisher Feed 2
  
  340
- Assembly 29: Finisher Elevator
  
  341
- Assembly 30: Finisher Electronics
  
  342
- Assembly 31: Finisher Docking 1
  
  343
- Assembly 32: Finisher Docking 2
  
  344
- Assembly 33: Miscellaneous/Options
  
  345
- Assembly 34: Parts Packets
  
  346
- Assembly 35: Finisher Parts Packet P/N 402623
  
  350
Index

351
Part Number Index

357

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Lexmark C920dtn Color Laser Printer Manuals

Lexmark C920dtn Service Manual (366 pages)

Table of Contents

Notices and Safety Information

Laser Notice

Safety Information

Preface

Definitions

General Information

Overview

Options and Features

Technical Specifications

Paper and Media Specifications

Connectivity

Power and Electrical Specifications

Environment

Maintenance Approach

Diagnostic Information

Start

Printer Messages

Service Checks

Image Quality Troubleshooting

Diagnostic Aids

Diagnostics

Configuration Menu

Theory of Operation

Finisher Installation

Repair Information

Adjustments

Removals

Expansion Feeder Removals

Duplex Removals

High-Capacity Feeder (HCF) Removals

Finisher Removals

Locations

Preventive Maintenance

Parts Catalog

How to Use this Parts Catalog

Assembly 1: Covers 1

Assembly 2: Covers 2

Assembly 3: Covers 3

Assembly 4: Covers 4

Assembly 5: Covers 5

Assembly 6: Upper Unit

Assembly 7: Paper Feed

Assembly 8: Base 2

Assembly 9: Base 3

Assembly 10: Electrical a

Assembly 11: Electrical B

Assembly 12: RIP Board

Assembly 13: Fuser Unit

Assembly 14: Cassette

Assembly 15: Expansion Feeder 1

Assembly 16: Expansion Feeder 2

Assembly 17: Duplex Unit 1

Assembly 18: Duplex Unit 2

Assembly 19: High-Capacity Feeder 1

Assembly 20: High-Capacity Feeder 2

Assembly 21: High-Capacity Feeder 3

Assembly 22: High-Capacity Feeder 4

Assembly 23: High-Capacity Feeder 5

Assembly 24: High-Capacity Feeder 6

Assembly 25: Finisher Covers

Assembly 26: Finisher Frame

Assembly 27: Finisher Feed 1

Assembly 28: Finisher Feed 2

Assembly 29: Finisher Elevator

Assembly 30: Finisher Electronics

Assembly 31: Finisher Docking 1

Assembly 32: Finisher Docking 2

Assembly 33: Miscellaneous/Options

Assembly 34: Parts Packets

Assembly 35: Finisher Parts Packet P/N 402623

Index

Part Number Index

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