User Manuals: Canon MF8250Cn Scanner Unit

Manuals and User Guides for Canon MF8250Cn Scanner Unit. We have 1 Canon MF8250Cn Scanner Unit manual available for free PDF download: Service Manual

Canon MF8250Cn Service Manual

Canon MF8250Cn Service Manual (401 pages)

MF8500/MF8200 Series

Brand: Canon | Category: Printer | Size: 35.23 MB

Table of Contents

Table of Contents
4
Safety Precautions
9
- CDRH Provisions
  10
- Notes When Handling a Lithium Battery
  10
- Laser Safety
  10
  - About Laser Beams
    10
  - Handling Laser Scanner Unit
    10
- Toner Safety
  11
  - About Toner
    11
  - Handling Adhered Toner
    11
- Notes on Assembly/Disassembly
  11
1 Product Overview

12
- Product Lineups
  12
  - Main Unit
    13
  - Options
    14
  - Product Features
    15
    
    Features
    15
  - Specifications
    16
    
    Main Unit Specifications
    16
    
    ADF Specifications
    18
    
    Wireless LAN Specifications
    18
    
    SEND Specifications
    19
    
    FAX Specifications
    19
    
    Print Speed
    20
    
    Paper Types / Paper Size
    21
  - Name of Parts
    23
    
    External View
    23
    
    Cross Section View
    26
    
    Control Panel
    28
2 Technical Overview

30
- Basic Configuration
  30
  - Configuration Function
    31
  - Basic Sequence
    31
  - Print Mode
    34
- Document Exposure/Feeder System
  35
  - Document Exposure System
    35
  - Document Feeder System
    37
  - Service Tasks
    38
- Controller System
  39
  - Overview
    39
  - Controls
    40
  - Service Tasks
    43
- Laser Control System
  44
  - Overview
    44
  - Controls
    44
  - Service Tasks
    45
- Image Formation System
  46
  - Overview
    46
  - Parts
    46
  - Image Forming Process
    47
  - Controls
    52
  - Service Tasks
    57
- Fixing System
  58
  - Overview
    58
  - Controls
    58
  - Service Works
    61
- Pickup / Feed System
  62
  - Overview
    62
  - Parts Configuration
    63
  - Drive Configuration
    64
  - Controls
    65
  - Service Works
    67
3 Periodical Services

68
- Periodically Replaced Parts
  68
- Durable Parts
  68
- Cleaning
  68
4 Disassembly/Assembly

71
- List of Parts
  71
- External Cover, Internal Cover
  85
  - Location
    85
  - Removing the Left Cover
    87
  - Removing the Right Cover
    90
  - Removing the Right Front Cover
    92
  - Removing the Front Cover
    93
  - Removing the Rear Upper Cover
    94
  - Removing the Rear Cover
    94
  - Removing the Rear Lower Cover
    95
  - Removing the Rear Cover Rib Unit
    97
  - Removing the Upper Cover
    98
  - Removing the Cartridge Tray
    100
- Document Exposure, Feed System
  101
  - Location
    101
  - Removing the ADF Unit + Reader Unit
    102
  - Separating the ADF Unit + Reader Unit
    105
  - Removing the ADF Roller Unit
    108
- Removing the ADF Pickup Roller
  110
- Removing the ADF Separation Roller
  111
- Removing the ADF Separation Pad
  112
- Removing the ADF Pickup Feed Unit
  113
- Removing the ADF Pickup Motor
  116
- Removing the Reader Unit Upper Cover
  117
- Removing the CIS Unit
  119
- Removing the Reader Scanner Motor
  122
- Controller System
  125
- Laser Exposure System
  160
  - Location
    160
  - Removing the Laser Scanner Unit
    160
- Image Formation System
  165
  - Location
    165
  - Removing the ITB Unit
    165
  - Removing the Patch Density and Registration Sensor Unit
    168
  - Removing the Developing Motor
    170
  - Removing the Drum Motor
    172
- Fixing System
  174
  - Location
    174
  - Removing the Fixing Assembly
    174
  - Removing the Fixing Film Unit
    176
  - Removing the Fixing Pressure Roller
    180
  - Removing the Fixing Motor Unit
    181
- Pickup Feeder System
  183
  - Removing the Cassette Pickup Roller
    184
  - Removing the Cassette Separation Roller
    185
  - Removing the MP Tray Pickup Roller
    187
  - Removing the MP Tray Separation Pad
    187
  - Removing the Pickup Motor
    188
  - Removing the Pickup Unit
    190
  - Removing the MP Tray Pickup Unit
    195
  - Removing the Secondary Transfer Feed Unit
    197
  - Removing the Delivery Unit
    198
  - Removing the Duplex Feed Unit
    200
  - Removing the Re-Pickup Guide Unit
    201
- List of Parts
  202
- External Cover, Internal Cover
  212
  - Location
    212
  - Removing the Left Cover
    214
  - Removing the Right Cover
    217
  - Removing the Front Covent Cover
    220
  - Removing the Rear Upper Cover
    223
  - Removing the Rear Lower Cover
    224
  - Removing the Rear Cover
    225
  - Removing the Upper Cover
    226
- Document Exposure/Feeder System
  227
- Controller System
  250
  - Location
    250
  - Removing the Controller Cover
    252
  - Removing the Wireless LAN PCB (Mf8280Cw/8240Cw)
    252
  - Removing the Main Controller PCB
    253
  - Removing the DC Controller PCB
    256
  - Removing the Driver PCB
    257
  - Removing the Low Voltage Power Supply Unit
    260
  - Removing the High Voltage Power Supply PCB
    263
  - Removing the Fixing Power Supply Unit
    265
  - Removing the Control Panel Unit
    266
  - Removing the Control Panel LCD PCB and Control Panel Key PCB
    269
  - Removing the FAX PCB (Mf8280Cw/8250Cn)
    271
    
    Removing the off Hook PCB (Mf8280Cw/8250Cn)
    271
    
    Removing the Main Motor
    280
    
    Removing the Fan
    281
    
    Removing the Speaker (Mf8280Cw/8250Cn)
    282
  - Laser Exposure System
    283
    
    Location
    283
    
    Removing the Laser Scanner Unit
    283
  - Image Formation System
    288
    
    Location
    288
    
    Removing the ITB Unit
    288
    
    Removing the Secondary Transfer Outer Roller
    293
  - Fixing System
    295
    
    Location
    295
    
    Removing the Fixing Assembly
    295
    
    Replacing the Fixing Film Unit
    298
    
    Removing the Fixing Pressure Roller
    301
    
    Removing the Fixing Motor
    302
  - Pickup Feeder System
    303
    
    Location
    303
    
    Removing the Cassette Pickup Roller
    303
    
    Removing the Cassette Separation Roller
    305
    
    Removing the Multi-Purpose Tray Unit
    307
    
    Removing the Pickup Unit
    312
5 Adjustment

317
- Overview
  317
- Adjustment at Parts Replacement
  317
  - Document Exposure / Feed System
    319
  - Controller System
    322
  - Laser Exposure System
    325
6 Trouble Shooting

326
- Test Print
  326
  - Engine Test Print
    327
  - Controller Test Print
    328
- Trouble Shooting Items
  330
  - Recurring Faulty Image
    330
  - Confirming Nip Width
    330
- Special Management Mode
  331
  - Overview
    331
  - Supported Models
    331
  - Operational Description
    331
  - Menu List
    332
- Version Upgrade
  336
  - Overview
    336
  - Ust
    336
  - Preparation
    336
  - Downloading System Software
    337
  - Upgrading Via Internet
    338
7 Error Codes Overview

340
- Outline
  341
- Error Codes
  342
- Jam Code
  347
  - MF8500 Series
    347
  - MF8200 Series
    348
8 Service Mode

349
- Service Mode Menu
  350
- Backing up Service Mode
  350
- Screen Flow of Service Mode
  351
- Remote UI Service Mode
  352
- Supported Models
  352
- Copier
  353
  - Display
    353
  - I/O
    355
  - Adjust
    355
  - Function
    367
  - Couter
    378
- Feeder
  382
  - Adjust
    382
  - Function
    383
- Fax
  384
  - List of SSSW
    384
  - List of MENU
    386
  - List of NUM
    386
  - Setting of NCU Parameters
    387
- Testmode
  391
  - Print
    391
  - Fax
    392
- Appendex
  394
  - Special Tools
    394
  - Solvents and Oils
    394
  - General Circuit Diagram
    394
    
    General Circuit Diagram (MF8500)
    396
    
    General Circuit Diagram (MF8200)
    399
  - Backup Data
    401

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