Lexmark C750n Manuals

Manuals and User Guides for Lexmark C750n. We have 2 Lexmark C750n manuals available for free PDF download: Service Manual, Setup Manual

Lexmark C750n Service Manual

Lexmark C750n Service Manual (490 pages)

Service Manual

Brand: Lexmark | Category: Printer | Size: 20.98 MB

Table of Contents

Table of Contents
3
Notices and Safety Information

11
- Laser Notice
  
  11
- Safety Information
  
  17
Preface

20
- Definitions
  
  20
General Information

21
- Tools Required for Service
  
  21
- Options and Features
  
  22
  - High Performance
    22
  - Print Quality
    22
  - Heavy Volume Reliability
    22
  - Automatic Calibration
    22
  - Resolution
    23
  - Toner Darkness
    23
- Printer Specifications
  
  23
  - Dimensions
    23
  - Power and Electrical Specifications
    23
  - Electrical Specifications
    24
  - Operating Clearances
    24
  - Fuser Web Oiler Upgrade Kit and Replacements
    24
  - Acoustics
    25
  - Environment
    25
- Print Speed and Performance Print Speed
  
  26
- Media Specifications
  
  27
  - Media Size
    28
  - Index
    30
  - Output Media Types and Weights
    31
- Acronyms
  
  33
Diagnostic Information

35
- Start
  
  35
- POR (Power-On Reset) Sequence
  
  36
- Symptom Tables
  
  37
- Error Code Table
  
  40
  - 9Xx Service Errors
    40
  - 1Xx Service Errors
    43
  - Sub Error Code Table
    51
  - Programming Errors - P101 through P116
    54
  - Understanding the Printer Operator Panel
    54
    
    Operator Panel Buttons
    54
    
    Color Menu
    56
    
    Utilities Menu
    57
  - 2Xx Paper Jam Message Table
    59
  - User Attendance Message Table
    62
Service Checks

76
- 100 ITU Error
  76
- 120 Error Code
  78
  - Error Code
    79
  - Error Code
    80
  - Error Code
    82
  - Error Code
    83
  - Error Code
    84
- 131 Error Code
  85
- Error Code
  86
- Error Code
  87
- 134 Error Code
  88
- Error Code
  89
- 136 Error Code
  90
- Error Code
  91
- 149 Error Code
  92
- 151 Error Code
  93
- Error Code
  94
- 158 Error Code
  98
- 160 Error Code
  99
- 163 Error Code
  100
- Paper Jam-Tray 1
  103
- 200 Paper Jam-Options and Envelope Feeder
  103
- Multipurpose Feeder (Mpf)
  104
- Duplex Option
  104
- 201 Paper Jam
  105
- Paper Jam
  106
  - Printer Configuration and 24X Paper Jam Codes
    111
  - Printer Configuration Diagrams for 24X Paper Jams
    115
- 250 Paper Jam
  116
- Paper Jam - Check bin 1
  118
- Paper Jam - Check bin 4
  119
- Paper Jam - Check bin 4
  120
- 280 Paper Jam
  121
- 900 RIP Software Error
  122
- 925 Error Code
  124
- 927 Error Code
  125
  - 930 Error Code
    126
  - 941 Error Code
    129
  - 942 Error Code
    131
  - 943 Error Code
    133
  - 990 Service Error
    135
  - 5-Bin Mailbox Option Service Check
    138
  - 500-Sheet Drawer Option Service Check
    142
  - AC and DC Power Service Check
    146
  - DC Power Service Check
    147
  - Autocompensator Service Check
    148
  - Black Only Retract (BOR) Service Check
    151
  - Close Door/Hvps/Printhead Interlock Switch Service Check
    152
  - Duplex Option Service Check
    154
  - Finisher Service Check
    156
  - Fuser Service Check
    161
  - High-Capacity Input Tray (HCIT) 2000-Sheet Option Service Check
    162
  - Operator Panel Lcd/Status Led/Buttons Service Check
    166
  - Output Expander Option Service Check
    168
  - Print Quality Service Checks
    170
    
    Horizontal Line
    171
    
    Horizontal Lines or Streaks
    171
    
    Vertical Lines or Streaks
    172
    
    Light Lines or Streaks Appear on the Page
    172
    
    White Streak in Color Plane
    172
    
    Blank Page (no Image)
    173
    
    Entire Page Is Mostly One Color-Full Bleed Planes in One Color
    174
    
    Missing Colors-Complete or Partially Missing Color Planes
    175
    
    Black and White Only-Cyan, Magenta, and Yellow Are Missing
    176
    
    Light Print over the Entire Page
    176
    
    All Colors Have Light Print over the Entire Page
    176
    
    One Color Has Light Print over the Entire Page
    176
    
    Low Image Density
    177
    
    Poor Color Alignment
    178
    
    Negative Ghosting or Faded Image
    178
    
    Residual Image
    179
    
    Uneven Printing
    179
    
    Toner Smears or Rubs off the Page with no Error Code Displayed
    179
    
    Smudged or Distorted Images on Fused Page
    180
    
    Toner Is on the Back of the Printed Page
    180
    
    Transparency Print Quality Is Poor
    181
  - Second Transfer Roll Service Check
    182
  - Tray 1 Service Check
    183
  - Tray 1 Paper Size Sensing Service Check
    184
Diagnostic Aids

185
- Printhead Diagnostics
  185
- Print Quality Defect Locator Chart
  187
- Partial Print Test
  189
- Configuration Menu
  
  191
  - Entering CONFIG MENU
    191
  - Black&White Lock
    191
  - Fuser Cnt Value
    191
  - Reset Fuser Cnt
    192
  - Prt Quality Pgs
    192
  - Color Trapping
    192
  - Size Sensing
    192
  - Type Sensing
    193
  - Sensed Trans
    193
  - Sensed Paper
    193
  - Calibrate Trays
    193
  - Panel Menus
    194
  - PPDS Emulation
    194
  - Download Emuls
    194
  - Demo Mode
    194
  - Factory Defaults
    195
  - Energy Conserve
    195
  - ITU Alignment
    195
  - Auto Color Adjust
    196
  - Exit Config Menu
    196
Diagnostics Mode

197
- Entering Diagnostics Mode
  197
- Exiting Diagnostics Mode
  197
- Registration
  198
- Alignment
  199
  - Cyan, Yellow, Magenta
    199
  - Drift Sensors
    200
  - To Exit the Test, Press Return or Stop
    200
- Top Fine Mar Adj
  200
- Misc Tests
  200
  - Motor Detect
    200
  - Belt Tracking (ITU 4Th Point Adjustment)
    201
- Print Tests
  202
  - Print Tests (Input Source)
    202
  - Prt Quality Pgs
    203
  - Prt Line Len Pg
    203
- Hardware Tests
  203
  - LCD Test
    203
  - Button Test
    203
  - DRAM Test
    204
  - CACHE Test
    204
  - ROM Test
    205
  - Parallel Wrap Test
    205
  - Serial Wrap Test
    206
- Duplex Tests
  207
  - Quick Test
    207
  - Top Margin
    207
  - Sensor Test
    207
- Input Tray Tests
  208
  - Feed Test
    208
  - Sensor Test
    208
- Output bin Tests
  209
  - Feed Test
    209
  - Feed to All Bins
    209
  - Diverter Test
    209
  - Sensor Test
    210
- Finisher Tests
  211
  - Staple Test
    211
  - Feed Test
    211
  - Sensor Test
    211
  - Hole Punch
    212
- Base Sensor Test
  213
  - Device Tests
    213
    
    Quick Disk Test
    213
    
    Disk Test/Clean
    213
    
    Flash Test
    214
  - Printer Setup
    214
    
    Defaults
    214
    
    Reset Calibrat
    215
    
    Page Count
    215
    
    Perm Page Count
    215
    
    Serial Number
    215
    
    Engine Setting X
    215
    
    Model Name
    216
    
    Configuration ID
    216
    
    Edge to Edge
    216
    
    Cal Ref Adj
    216
  - Ep Setup
    216
    
    EP Defaults
    216
    
    Fuser Temp
    216
    
    DC Charge Adjust
    216
    
    Dev Bias Adj
    217
    
    Transfer Adjust
    217
  - Error Log
    217
    
    View Log
    217
    
    Clear Log
    217
- High-Capacity Input Tray Tests
  
  218
  - HCIT Standalone Test Mode
    218
  - Dip Switch Settings
    218
Repair Information

219
- Handling ESD-Sensitive Parts
  
  219
- Screw Identification Table
  
  220
- Removal Procedures
  
  223
  - Top Cover Assembly Removal
    223
  - Rear Fan Cover Removal
    226
  - Rear Cover Removal
    226
  - Front Right Handle Cover Assembly Removal
    227
  - Front Left Handle Cover Assembly Removal
    228
  - Front Cover Assembly Removal
    228
  - Lower Right Door Assembly Removal
    230
  - Left Lower Cover Removal
    231
  - Lower Jam Access Door Assembly Removal
    232
  - Redrive Door Removal
    232
  - Paper Path Access Door Cover Removal
    233
  - Front Lower Left Cover Removal
    234
  - Autocompensator Pick Assembly Removal
    235
    
    Left Side View
    238
    
    Front View
    238
  - BOR Drive Assembly Removal
    241
  - Cartridge Contact Assembly Removal
    241
  - Cartridge Drive Assembly Removal
    244
  - Cartridge Rail Assembly
    245
  - Developer HVPS Board Removal
    246
  - Engine Board Removal
    247
  - Engine Board Shield Removal
    248
  - Friction Buckler Removal
    248
  - Fuser Assembly Removal
    249
  - Fuser Bottom Duct Removal
    250
  - Fuser Drive Assembly Removal
    251
  - Fuser Fan Removal
    252
  - Fuser Top Duct Removal
    252
  - Fuser Web Oiler Motor Assembly Removal
    253
  - Installation Notes
    254
  - ITU Assembly Removal
    255
  - ITU Drive Assembly Removal
    255
  - ITU Drive Motor Removal
    256
  - Low Voltage Power Supply (LVPS) Removal
    256
  - Multipurpose Feeder (MPF) Removal
    258
  - Nip Relief Handle Removal
    260
  - Operator Panel Removal
    264
  - Outer EMC Shield Removal
    265
  - Paper Size Sensing Assembly Removal
    266
  - Pick Rolls
    266
  - Printhead Removal and Adjustment
    268
    
    Printhead Mechanical Alignment
    269
    
    Printer Registration (Only for Black Printhead Replacement)
    274
    
    Electronic Color Alignment
    276
    
    Print Line Length Calibration
    279
  - Printhead Thermistor Card Removal
    280
  - PSD Sensor Assembly Removal
    281
  - Rear Bellcrank Removal (Cyan, Magenta, Yellow)
    282
  - Rear Bellcrank Removal (Black)
    284
  - Redrive Assembly Removal
    286
  - Registration Motor Removal
    287
  - RIP Board Removal
    288
  - RIP Fan Removal
    289
  - RIP Board Shield Assembly Removal
    289
  - S2/Nms/Transparency Sensor Assembly Removal
    290
  - Second Transfer Roll Removal
    297
  - Transfer HVPS Board Removal
    298
  - Transfer Plate Assembly
    299
  - Vacuum Transport Belt (VTB) Removal
    300
  - Vacuum Transport Belt (VTB) Fan Removal
    302
  - Waste Container Door Removal
    302
  - Waste Container Latch Removal
    303
  - Web Oiler Fuser Kit Installation
    303
Connector Locations

313
- Locations
  
  313
  - Printer Boards
    313
  - Printer Motors
    314
  - Printer Sensors
    315
  - Cartridge Contact Assembly Pin Locations
    316
  - Engine Board Cabling
    317
  - RIP Board Cabling
    318
- Connectors
  
  319
  - Engine Board
    319
  - RIP Board
    326
  - Transfer High Voltage Power Supply (HVPS)
    331
  - Developer High Voltage Power Supply (HVPS) Board
    332
  - Low Voltage Power Supply (LVPS)
    334
  - Low Voltage Power Supply (LVPS)
    336
  - High-Capacity Input Tray (2000-Sheet HCIT) Board
    338
  - High-Capacity Output Finisher (HCOF)
    340
    
    HCOF LVPS Board
    340
    
    HCOF SUB LVPS Relay Board
    340
    
    HCOF System Board
    341
Preventive Maintenance

345
- Safety Inspection Guide
  
  345
- Lubrication Specifications
  
  345
- Lubrication for Replacement Motors
  
  346
  - Fuser Drive Assembly
    346
  - Cartridge Drive Assembly
    347
  - ITU Drive Assembly
    347
- Scheduled Maintenance
  
  348
Parts Catalog

349
- How to Use this Parts Catalog
  
  349
- Assembly 1: Covers
  
  350
- Assembly 2: Cartridge Mounting
  
  354
- Assembly 3: Fuser
  
  356
- Assembly 4: Fuser Drive
  
  360
- Assembly 5: Vacuum Transport Belt Assembly
  
  361
- Assembly 6: Transfer
  
  362
- Assembly 7: Printheads
  
  363
- Assembly 8: Paper Feed Output (Redrive)
  
  364
- Assembly 9: Paper Feed Input
  
  365
- Assembly 10: Paper Size Sensing
  
  366
- Assembly 11: Paper Feed Transport
  
  367
- Assembly 12: Multipurpose Feeder (MPF)
  
  368
- Assembly 13: 500-Sheet Integrated Tray
  
  370
- Assembly 14: Autocompensator Assembly
  
  372
- Assembly 15: ITU Assembly
  
  373
- Assembly 16: ITU Drive Assembly
  
  374
- Assembly 17: ITU Loading
  
  376
- Assembly 18: BOR Drive Assembly
  
  378
- Assembly 19: Cartridge Contact Assembly
  
  379
- Assembly 20: Cartridge Drive Assembly
  
  380
- Assembly 21: Electronics
  
  382
- Assembly 22: Electronic Cabling-Engine Board
  
  390
- Assembly 23: Electronic Cabling-RIP Board
  
  392
- Assembly 24: Electronic Cabling-Transfer HVPS
  
  394
- Assembly 25: Electronic Cabling-Developer HVPS
  
  395
- Assembly 26: Output Expander
  
  396
- Assembly 27: 5-Bin Mailbox
  
  400
- Assembly 28: 500-Sheet Drawer Option
  
  404
- Assembly 29: Duplex Option
  
  408
- Assembly 30: High-Capacity Input Tray (HCIT)
  
  412
- Assembly 31: High-Capacity Output Finisher (HCOF)
  
  416
- Assembly 32: High-Capacity Output Finisher Cables
  
  423
- Assembly 33: Options
  
  424
- Assembly 34: Miscellaneous
  
  425
Appendix A-Service Tips

427
- Printhead Diagnostics
  
  427
- Printhead Alignment
  
  430
- Partial Print Test
  
  442
- Nip Relief Handle Replacement
  
  444
- Finisher Alignment
  
  448
- Duplex Option Deflector Button Replacement
  
  455
Appendix B-Print Quality Samples

457
- Print Menus-Page One of Two
  
  457
  - Print Menus-Page Two of Two
    458
- Print Tests
  
  459
- Registration
  
  464
  - Quick Test
    464
- Alignment Test Pages
  
  465
Index

469
Part Number Index

475

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Lexmark C750n Setup Manual

Lexmark C750n Setup Manual (62 pages)

Lexmark Printer User Manual

Brand: Lexmark | Category: Printer | Size: 2.72 MB

Table of Contents

Lexmark C750
1
Fcc Emissions Information
2
Safety Information
2
Table of Contents
3
Introduction

5
- About Your Printer
  5
- Other Sources of Information
  6
Step 1: Unpack the Printer

7
Step 2: Set up the Printer and Paper Handling Options

9
Step 3: Set up the Print Supplies

21
- Setting up the Print Cartridges
  21
- Attaching an Adhesive Operator Panel Overlay
  27
Step 4: Install Memory and Option Cards

28
Step 5: Load Paper

37
Step 6: Attach Cables

45
- Network Printing
  45
- Local Printing
  46
Step 7: Verify Printer Setup

47
Step 8: Configure for TCP/IP

50
Step 9: Install Printer Drivers

52
- Network Printing
  52
- Local Printing
  55
Step 10: Distribute Information to Users

57
Appendix: Statement of Limited Warranty

59
- Limitation of Liability
  60

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