Lexmark X792 7562-4xx Manuals

Manuals and User Guides for Lexmark X792 7562-4xx. We have 1 Lexmark X792 7562-4xx manual available for free PDF download: Service Manualv

Lexmark X792 7562-4xx Service Manualv (855 pages)

Brand: Lexmark | Category: Printer | Size: 38 MB

Table of Contents
3
Notices and Safety Information

17
- Laser Notice
  
  17
- Safety Information
  
  23
  - Next
    26
Preface

26
- Navigation Buttons
  
  26
  - Go Back
    26
- Change History
  
  27
- Conventions
  
  28
General Information

29
- Models
  
  29
- Maintenance Approach
  
  29
- Printer Configurations
  
  30
- Options and Features
  
  31
- Printer Specifications
  
  31
  - Paper Sizes Supported by the Printer
    34
  - Paper Types and Weights Supported by the Printer
    35
  - Paper Types and Weights Supported by the Output Bins
    36
  - Media Guidelines
    36
    
    Paper
    36
    
    Paper Characteristics
    37
    
    Unacceptable Paper
    38
    
    Selecting Paper
    38
- Tools Required for Service
  
  39
- Acronyms
  
  40
Diagnostic Information

41
- Troubleshooting Map
  
  41
  - Error Code Divisions
    42
  - Power-On Self Test (POST) Sequence
    42
- Paper Jams
  
  43
  - Understanding Jam Numbers and Locations
    43
  - Paper Jam
    44
  - Paper Jam
    47
  - Paper Jams
    49
  - Paper Jams
    52
  - 24X Paper Jam
    54
  - Paper Jam
    60
  - Paper Jams
    61
- Output Option Paper Jams
  
  63
  - Paper Jams
    63
  - Paper Jams
    65
  - Paper Jams
    66
  - Paper Jams
    70
- Print Quality
  
  72
  - Symptom Table-Print Quality
    72
  - Background (Fog)
    73
  - Blank Page
    75
  - Blurred or Fuzzy Print
    76
  - Characters Have Jagged or Uneven Edges
    76
  - Clipped Images
    76
  - Colors Not Properly Aligned
    77
  - Horizontal Banding
    78
  - Horizontal Lines
    78
  - Light Colored Line, White Line, or Incorrectly Colored Line
    79
  - Media Damage
    80
  - Mottle (2-5Mm Speckles)
    81
  - Paper Curl
    81
  - Print Irregularities
    81
  - Print Is too Dark
    83
  - Print Is too Light
    83
  - Random Marks
    84
  - Repeating Defects
    85
  - Shadow Images
    86
  - Skew
    87
  - Solid Color or Black Pages
    89
  - Toner Rubs off
    90
  - Transparency Print Quality Is Poor
    91
  - Uneven Print Density
    91
  - Vertical Banding
    91
  - Vertical Lines
    92
ADF & Scanner Print Quality

93
User Messages

98
- User Prompts
  98
- User Attendance Messages (0-99)
  100
Service Errors

107
Symptoms

114
Service Checks

115
Diagnostic Aids

239
- Understanding the Operator Panel and Menus
  
  239
  - Operator Panel
    239
  - Understanding the Home Screen
    240
  - Using the Touch Screen
    241
  - Administrative Menus
    244
- Accessing Service Menus
  
  245
- Diagnostics Mode
  
  246
  - Diagnostics Menus
    246
  - Exiting the Diagnostics Mode
    248
  - Dual Diode Adjust
    248
  - Registration
    249
  - Alignment Menu
    250
    
    Setting Alignment for Color
    250
    
    Adjusting Linearity
    250
    
    Drift Sensors
    251
  - Scanner Calibration
    252
    
    Adjust Calibration Values
    252
    
    Reset Calibration Values
    252
  - Misc Tests
    252
    
    Toggle ITU
    252
    
    Printhead Inst
    252
    
    Auto Detect
    252
  - Print Tests
    253
    
    Print Tests (Input Sources)
    253
    
    Print Quality Pages
    253
  - Hardware Tests
    253
    
    Panel Test
    253
    
    Button Test
    254
    
    DRAM Test
    254
    
    Serial Wrap Test
    254
    
    USB HS Test Mode
    255
    
    Beacons Test
    255
  - Duplex Tests
    256
    
    Duplex Quick Test
    256
    
    Duplex Top Margin Offset
    256
  - Input Tray Tests
    256
    
    Feed Test
    256
    
    Sensor Test
    257
  - Output bin Tests
    258
    
    Feed Test
    258
    
    Feed to All Bins
    258
    
    Sensor Test
    258
    
    Diverter Test
    259
    
    Mechanical Test
    259
  - Finisher Tests
    259
    
    Staple Test
    259
    
    Hole Punch Test
    259
    
    Finisher Feed Test
    260
    
    Finisher Sensor Test
    260
  - Base Sensor Test
    261
  - Device Tests
    261
    
    Quick Disk Test
    261
    
    Disk Test/Clean
    262
    
    Flash Test
    262
  - Printer Setup
    263
    
    Defaults
    263
    
    Serial Number
    263
    
    Engine Setting X
    263
    
    Model Name
    263
    
    Configuration ID
    263
    
    Page Counts
    263
    
    Reset Color Calibration
    264
    
    Edge to Edge
    264
    
    Cal Ref Adj
    264
    
    Enable Edge to Edge Copy
    264
    
    Par 1 Strobe Adj
    264
  - Ep Setup
    264
    
    EP Defaults
    264
    
    Fuser Temp
    265
    
    DC Charge Adjustment
    265
    
    Dev Bias Adj
    265
    
    Transfer Adjust
    265
    
    Op Point Boost
    265
  - Event Log
    265
    
    Display Log
    265
    
    Print Log
    265
    
    Clear Log
    265
  - Scanner Tests
    266
    
    Scanner Calibration Reset
    266
    
    ASIC Test
    266
    
    Feed Test
    266
    
    Sensor Test
    266
    
    ADF Magnification
    266
  - Exit Diags
    266
Configuration Menu

267
- Entering the Configuration Menu
  267
- Exiting the Configuration Menu
  268
- Reset Separator Roll and Pick Assembly Counter
  268
- USB Scan to Local
  268
- Black Only Mode
  268
- Print Quality Pages
  268
- Reports
  269
- Color Trapping
  269
- Tray Insert Msg
  269
- Size Sensing
  269
- Panel Menus
  269
- PPDS Emulation
  269
- Download Emuls
  269
- Factory Defaults
  269
- Energy Conserve
  270
- Fax Low Power Support
  270
- Min Copy Memory
  270
- Numpad Job Assist
  270
- Format Fax Storage
  270
- Fax Storage Location
  270
- Color Adjustment
  270
- Auto Align Adj
  271
- Color Alignment
  271
- Motor Calibration
  271
- ADF Edge Erase
  271
- FB Edge Erase
  271
- Scanner Manual Registration
  271
- Disable Scanner
  271
- Paper Prompts
  271
- Envelope Prompts
  272
- Action for Prompts
  272
- Jobs on Disk
  272
- Disk Encryption
  272
- Wipe Disk
  272
- Font Sharpening
  272
- Require Standby
  272
- UI Automation
  273
- Key Repeat Initial Delay
  273
- Key Repeat Rate
  273
- Clear Custom Status
  273
- USB Speed
  273
- Exit Config Menu
  273
Theory of Operation

274
- Paper Path, Transport Components
  274
  - Paper Path Information
    274
  - Transport Components
    275
  - Bubble Sensors
    275
  - Duplexing (Models with Duplex Support Only)
    275
- Print Engine Theory
  276
  - Electrophotographic Process (EP Process)
    276
  - Electrophotographic Process Basics
    276
  - Step 1: Charge
    277
  - Step 2: Expose
    278
  - Step 3: Develop
    279
  - Step 4A: First Transfer
    280
  - Step 4B: Second Transfer
    281
  - Step 5: Fuse
    282
  - Step 6: Clean/Erase
    283
- Scanner Theory
  284
  - Document Scanning at ADF
    286
  - Document Scanning at Platen
    286
- Names and Functions of Components
  
  287
  - Scanner Unit Assembly
    287
    
    Sensor (FB Length APS 1), Sensor (FB Length APS 2), Sensor (FB Length APS 3)
    287
    
    Switch (ADF Closed Interlock)
    287
    
    Scanner Drive Motor Assembly
    287
    
    Sensor (FB Scanner HP)
    287
    
    Scanner Exposure Lamp
    287
    
    Scanner Controller Card Assembly
    287
    
    Scanner Cooling Fan
    287
  - Adf
    288
    
    Sensor (ADF Long Media)
    288
    
    Sensor (ADF Width 1), Sensor (ADF Width 2), Sensor (ADF Width 3), Sensor (ADF Width 3)
    288
    
    Sensor (ADF Document Set)
    288
    
    ADF Document Set LED
    288
    
    Switch (ADF Top Door Interlock)
    288
    
    ADF Controller Card Assembly
    288
    
    Sensor (ADF Sheet Through)
    288
    
    Sensor (ADF 1St Scan)
    288
    
    Sensor (2Nd Scan)
    288
    
    ADF Transport Motor
    289
    
    ADF Pick Solenoid Assembly
    289
- Printhead Verification
  
  290
- Adjustments
  
  292
  - Adjusting Skew
    292
    
    Finding the Source of the Skew
    292
    
    Adjusting Scanner Registration
    298
    
    Choosing Which Assembly to Adjust
    299
    
    Flatbed Scanner Skew Adjustment
    299
    
    ADF Skew Adjustment (Duplex CCD Assembly)
    301
    
    ADF Skew Adjustment (ADF Document Tray)
    302
  - ADF Magnification Adjustment
    304
  - ADF Hinge Adjustment
    304
  - Calibrating the Scanner
    305
    
    Calibrating the Scanner Black Levels
    305
Repair Information

307
- Handling ESD-Sensitive Parts
  
  307
- Removal Procedures
  
  307
  - Cable Ties
    307
  - Arrangement of Removals in this Chapter
    308
- Base Printer Cover Removals
  
  309
  - AIO Front Lower Cover Removal
    309
  - AIO Front Upper Cover Removal
    309
  - AIO Option Cover Removal
    310
  - AIO Top Cover Removal
    311
  - Front Access Door Assembly Removal
    315
  - Left Access Door Assembly Removal
    316
  - Left Cover Removal
    322
  - Lower Left Cover Removal
    322
  - Lower Frame Cable Cover Removal
    326
  - Multipurpose Feeder (MPF) Cover Removal
    327
  - OP Panel Bottom Cover Removal
    328
  - Printhead Access Cover Removal
    328
  - Rear Cover Removal
    329
  - Rear Upper Cover Removal
    331
  - Right Cover Removal
    332
  - System Board Shield Door Removal
    334
  - System Board Shield Removal
    335
  - System Board Upper Shield Removal
    336
  - Waste Toner Left Cover Removal
    337
  - Waste Toner Sensor Cover Removal
    338
Base Printer Removals

339
- ACM Bias Spring Removal
  339
- Bin-Full Flag Removal
  339
- Bin-Full Sensor Removal
  340
- Cartridge Blower Assembly Removal
  341
- Cartridge Contact Block Assembly Removal
  344
- Cartridge Memory Block Removal
  346
- Cartridge Metering Cable Removal
  348
- Cartridge Rail Removal
  350
- CPU Cooling Fan Removal
  352
- Datum Bell Crank Removal
  354
- Duplex Assembly Removal
  356
- ESD Bracket Removal
  358
- EP Drive Assembly Removal
  360
- Exit Cooling Duct Removal
  362
- Front Access Door Beacon Removal
  363
- Front USB Cable Removal
  365
- Fuser Assembly Removal
  366
- Fuser Drive Assembly Removal
  367
- Fuser System Card and LVPS Cable Removal
  369
- Fuser Thermistor Removal
  372
- High-Voltage Power Supply (HVPS) Board Removal
  373
- Housing Interlock Assembly Removal
  377
- ITU Assembly Removal
  378
- ITU Autoconnect Removal
  379
- ITU Block Assembly Removal
  381
- Left Access Door Piston Removal
  383
- Low-Voltage Power Supply (LVPS) Removal
  387
- LVPS Exit Duct Removal
  390
- LVPS Fan Removal
  391
- Main Fan Removal
  394
- Media Tray Rail Removal
  395
- MPF Breakaway Assemblies Removal
  401
- MPF Paper Pick Assembly Removal (Including the MPF Ratchet Collar and MPF Drive Pulley)
  404
- MPF Pick Rolls and Special Wear Strip Removal
  407
- MPF Drive Assembly Removal
  410
- MPF Sensor Plate Assembly Removal
  412
- MPF Wear Strips Removal
  413
- Operator (OP) Panel Assembly Removal
  413
- OP Panel Cables Removal
  416
- OP Panel Display Removal
  417
- OP Panel Housing Removal
  418
- OP Panel Speaker Removal
  419
- OP Panel UICC Card Removal
  419
- Pad Removal
  420
- Paper Auto-Size Sensor Removal
  421
- Paper Path Redrive Assembly with Sensors Removal
  422
- Paper Pick Mechanism Assembly Removal
  424
- Pick Rolls Removal
  426
- Printhead Removal, Installation, and Alignment
  427
  - Installing and Coarse Aligning the Printhead
    429
  - Aligning the Printhead
    433
  - Dual Diode Alignment
    433
  - Registration (Black)
    434
  - Color Alignment (Cyan, Yellow, and Magenta)
    435
- Redrive Gears Removal
  438
- Redrive Motor Removal
  439
- Sensor (D1, D2, and Fuser Bubble) Removal
  441
- Sensor (Input, S1, Narrow Media, Near Narrow Media) Removal
  443
- Staging Deflector Assembly Removal
  444
- Staging Paper Path Reference Edge Assembly Removal
  446
  - Staging Paper Path Reference Edge Adjustment
    451
  - Aligning the Staging Paper Path Reference Edge
    451
- Standard Media Tray Removal
  455
- System Board Removal
  456
- System Board Cage with Board Removal
  463
- Waste Toner Container Removal
  469
- Waste Toner Gears Removal
  469
- Waste Toner Sensor Removal
  470
- Waste Toner Cable Removal
  471
- Waste Toner Full Cable Removal
  473
- Waste Toner Full Sensor Removal
  474
- Waste Toner Tray Bracket Removal
  474
ADF Cover Removals

476
- ADF Front Cover Removal
  476
- ADF Rear Cover Removal
  477
- ADF Top Door Assembly Removal
  477
ADF Removals

479
Scanner Cover Removals

517
- AIO Rear Scanner Cover Removal
  517
- AIO Lower Scanner Cover Removal
  518
- Scanner Front Cover Removal
  519
- Scanner Left Side Front Cover Removal
  520
- Scanner Left Side Rear Cover Removal
  520
- Scanner Rear Cover Removal
  521
- Scanner Right Side Cover Removal
  521
- Scanner Top Cover Removal
  522
Scanner Removals

523
Input Option Removals

545
550-Sheet Tray

545
2000-Sheet High-Capacity Feeder

564
Output Option Removals

616
5-Bin Mailbox

616
Staplesmart Finisher and High-Capacity Output Stacker

638
Horizontal Transport Unit (HTU) and Hole Punch Unit

667
- HTU Access Door Removal
  667
- HTU Access Door Paper Jam Beacon (with Cover and Cable) Removal
  668
- HTU Access Door Rollers Removal
  669
- HTU bin Diverter Gate Spring Removal
  671
- HTU bin Media Exit Spring Removal
  672
- HTU Card (Bin-Full Receive Card and Lens) Removal
  673
- HTU Card (Bin-Full Send Card and Lens) Removal
  674
- HTU Controller Card Removal
  675
- HTU Drive Belt Removal
  676
- HTU Drive Gear Spring Removal
  677
- HTU Engagement Roller Removal
  678
- HTU Exit Roller Removal
  679
- HTU Front Redrive Cover Removal
  679
- HTU Front Standard bin Cover Removal
  680
- HTU Locking Lever Removal
  681
- HTU Locking Lever Card Removal
  683
- HTU Lower Redrive Guide Removal
  683
- HTU Option Hook Removal
  686
- HTU Option Roller Removal
  688
- HTU Output bin Removal
  689
- HTU Output bin Extension Removal
  690
- HTU Output bin Solenoid Removal
  691
- HTU Output bin Wire Stop Removal
  692
- HTU Output Option Removal
  693
- HTU Output Option Guide Removal
  695
- HTU Output Option Solenoid Removal
  696
- HTU Output Sensor Removal
  697
- HTU Outer Front Cover Removal (AIO Only)
  697
- HTU Rear Redrive Cover Removal
  698
- HTU Rear Standard bin Cover Removal
  700
- HTU Right Bottom Cover Removal
  703
- HTU Right Inner Cover Removal
  704
- HTU Sensor (Access Door Interlock) Removal
  708
- HTU Sensor (Empty Bin) Removal
  709
- HTU Sensor (Input) Removal
  710
- HTU Sensor (Output Option Position) Removal
  711
- HTU Sensor (Second) Removal
  712
- HTU Sensor Cable (Bin-Full Send and Receive) Removal
  713
- HTU Stopper Diverter Removal
  713
- HTU Timing Belts (Rear) Removal
  714
- HTU to Printer Cable Removal
  715
- HTU Top Redrive Cover Removal
  716
- HTU Top Right Cover Removal
  717
- HTU Transport Gear Removal
  718
- HTU Transport Motor Removal
  719
- HTU Upper Exit Shaft Removal
  720
  - HTU Upper Guide Removal
    721
  - HTU Punch Motor Removal
    722
  - HTU Punch Unit Removal
    724
  - HTU Punch Gear Removal
    725
Connector Locations

727
- Locations
  
  727
  - System Board Cabling Reference
    727
- Connectors
  
  728
  - System Board
    728
  - UICC Card
    738
  - Scanner Interface Card
    740
  - 550-Sheet Tray Option System Card
    741
  - Sheet Tray Option System Card
    742
  - 2000-Sheet High-Capacity Feeder Option System Card
    744
  - 5-Bin Mailbox System Card
    747
  - Finisher/Stacker System Card
    749
  - HTU System Card
    749
Preventive Maintenance

751
- Safety Inspection Guide
  
  751
- Individual Maintenance Part Expected Life
  
  751
- Lubrication Specifications
  
  751
- Lubrication for Replacement Motors
  
  751
  - Redrive Parts Packet
    752
  - Fuser Drive Assembly
    753
Parts Catalog

755
- How to Use this Parts Catalog
  
  755
- Assembly 1: Front, Right, and Top Covers
  
  756
- Assembly 2: Left and Rear Covers
  
  758
- Assembly 3: Front
  
  760
- Assembly 3.1: Front (Continued)
  
  762
- Assembly 4: Left
  
  764
- Assembly 4.1: Left (Continued)
  
  766
  - Assembly 4.1: Left (Continued)
    767
- Assembly 5: Rear
  
  768
- Assembly 6: Flatbed Scanner
  
  772
- Assembly 7: ADF Unit Assembly
  
  774
- Assembly 8: ADF Covers
  
  776
- Assembly 9: ADF Feed and Drive
  
  778
- Assembly 10: ADF Electronics
  
  780
- Assembly 11: Optional 550-Sheet Tray
  
  782
- Assembly 12: Optional 550-Sheet Drawer Assembly
  
  784
- Assembly 13: Optional 2000-Sheet High-Capacity Feeder (Complete)
  
  786
- Assembly 14: Optional 2000-Sheet High-Capacity Feeder
  
  788
- Assembly 15: Finisher/High-Capacity Ouput Stacker Assembly
  
  790
- Assembly 15.1: Finisher /High-Capacity Output Stacker Assembly (Continued)
  
  792
- Assembly 16: Finisher Stapler Assembly
  
  794
- Assembly 17: Finisher/Stacker Assembly (Complete)
  
  796
- Assembly 18: 5-Bin Mailbox Assembly (Complete)
  
  798
- Assembly 19: 5-Bin Mailbox Assembly (Covers)
  
  800
- Assembly 20: 5-Bin Mailbox Assembly (Interior)
  
  802
- Assembly 21: HTU (Complete)
  
  804
- Assembly 22: HTU (Covers)
  
  806
- HTU (Left Interior)
  
  808
- Assembly 24: HTU (Right Interior)
  
  810
- Assembly 25: HTU with Hole Punch (Complete)
  
  812
- Assembly 26: HTU with Hole Punch (Covers)
  
  814
- Assembly 27: HTU with Hole Punch (Left Interior)
  
  816
- Assembly 28: Miscellaneous
  
  820
- Assembly 29: Internal Options
  
  820
- Cable and Thermistor Location Table
  
  821
- Screw and Retainer Identification Table
  
  825
Appendix A-Print Samples

831
- Print Tests
  
  832
- Registration and Alignment
  
  836
Index

841
Part Number Index

849

Lexmark Categories

Printer

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More Lexmark Manuals

Lexmark X792 7562-4xx Manuals

Lexmark X792 7562-4xx Service Manualv (855 pages)

Table of Contents

Notices and Safety Information

Laser Notice

Safety Information

Preface

Navigation Buttons

Change History

Conventions

General Information

Models

Maintenance Approach

Printer Configurations

Options and Features

Printer Specifications

Tools Required for Service

Acronyms

Diagnostic Information

Troubleshooting Map

Paper Jams

Output Option Paper Jams

Print Quality

ADF & Scanner Print Quality

User Messages

Service Errors

Symptoms

Service Checks

Diagnostic Aids

Understanding the Operator Panel and Menus

Accessing Service Menus

Diagnostics Mode

Configuration Menu

Theory of Operation

Names and Functions of Components

Printhead Verification

Adjustments

Repair Information

Handling ESD-Sensitive Parts

Removal Procedures

Base Printer Cover Removals

Base Printer Removals

ADF Cover Removals

ADF Removals

Scanner Cover Removals

Scanner Removals

Input Option Removals

550-Sheet Tray

2000-Sheet High-Capacity Feeder

Output Option Removals

5-Bin Mailbox

Staplesmart Finisher and High-Capacity Output Stacker

Horizontal Transport Unit (HTU) and Hole Punch Unit

Connector Locations

Locations

Connectors

Preventive Maintenance

Safety Inspection Guide

Individual Maintenance Part Expected Life

Lubrication Specifications

Lubrication for Replacement Motors

Parts Catalog

How to Use this Parts Catalog

Assembly 1: Front, Right, and Top Covers

Assembly 2: Left and Rear Covers

Assembly 3: Front

Assembly 3.1: Front (Continued)

Assembly 4: Left

Assembly 4.1: Left (Continued)

Assembly 5: Rear

Assembly 6: Flatbed Scanner

Assembly 7: ADF Unit Assembly

Assembly 8: ADF Covers

Assembly 9: ADF Feed and Drive

Assembly 10: ADF Electronics

Assembly 11: Optional 550-Sheet Tray

Assembly 12: Optional 550-Sheet Drawer Assembly

Assembly 13: Optional 2000-Sheet High-Capacity Feeder (Complete)

Assembly 14: Optional 2000-Sheet High-Capacity Feeder

Assembly 15: Finisher/High-Capacity Ouput Stacker Assembly