Canon LBP5050N Manuals

Manuals and User Guides for Canon LBP5050N. We have 1 Canon LBP5050N manual available for free PDF download: Service Manual

Canon LBP5050N Service Manual

Canon LBP5050N Service Manual (104 pages)

LBP5050 Series

Brand: Canon | Category: Printer | Size: 4.63 MB

Table of Contents

Service Manual
1
Symbols Used
4
Table of Contents
7
Chapter 1 PRODUCT DESCRIPTION

11
- Features .....................................................................................................................................................1
  13
  - Feature
    15
- Product Specifications
  15
- Detailed Specifications
  16
  - Print Speed
    16
- Name of Parts
  17
  - External View
    17
  - Cross Sectional View
    18
- Using the Machine
  19
  - Control Panel
    19
  - Functions of the Leds
    19
- Safety
  20
Chapter 2 TECHNICAL REFERENCE

23
- Outline ..................................................................................................................................................................... 2
  25
  - Fixing Temperature Control ................................................................................................................................................... 2
    26
- Functional Configuration
  27
- Basic Sequense
  27
  - Basic Sequence of Operation
    27
- Laser Exposure System
  28
  - Overview/Configuration
    28
    
    Outline
    28
  - Laser Scanner Motor Control
    28
    
    Fault Detection
    28
- Image Formation System
  29
  - Overview/Configuration
    29
    
    Outline
    29
    
    Image-Formation Process
    29
    
    Latent Image Formation Block
    30
    
    Development Block
    30
    
    Transfer Block
    31
    
    Fixing Block
    32
    
    ITB Cleaning Block
    32
    
    Photosensitive Drum Cleaning Block
    33
  - High-Voltage Control
    33
    
    Outline
    33
  - Image Stabilizaton Control
    34
    
    Overview of the Image Stabilization Control Mechanism
    34
    
    Image Density Correction Control (D-Max Control)
    34
    
    Image Gradation Correction Control (D-Half Control)
    35
    
    Color Displacement Correction Control
    35
  - Toner Cartridge
    35
    
    Developing Roller Engagement/Disengagement Control
    35
  - Transfer Unit
    35
    
    Pad Transfer
    35
- Pickup/Feeding/Delivery System
  36
  - Overview/Configuration
    36
  - Detecting Jams
    37
    
    Jam Detection Outline
    37
    
    Delay Jams
    37
    
    Stationary Jams
    37
    
    Other Jams
    37
    
    Outline
    37
    
    Paper Delay JAM
    37
    
    Fixing Delay JAM
    37
    
    Pickup Residual JAM
    37
    
    Fixing Stationary Jam
    37
  - Cassette Pickup
    38
    
    Separation Roller Method
    38
- Fixing Unit System
  38
- External and Controls System
  40
  - Power Supply
    40
    
    Other Function
    41
- Engine Control System
  41
  - DC Controller
    41
    
    Outline
    41
    
    Low-Voltage Power Supply
    41
    
    Protective Function
    41
    
    Power-Save Mode
    41
    
    Motor Control
    42
    
    Safety
    43
  - Main Controller
    43
    
    Outline
    43
    
    Overview of the Block
    43
Chapter 3 DISASSEMBLY and ASSEMBLY

45
- External and Controls System
  49
- Laser Exposure System
  61
  - Laser Scanner Unit
    61
    
    Before Removing the Laser Scanner Unit
    61
    
    Removing the Laser Scanner Unit
    61
    
    After Replacing the Laser Scanner Unit
    63
- Image Formation System
  63
  - Intermediate Transfer Unit
    63
    
    Before Removing the ITB Unit
    63
    
    Removing the ITB Unit
    64
- Pickup/Feeding/Delivery System
  65
  - Cassette Pickup Roller
    65
    
    Removing the Pickup Roller
    65
  - Cassette Separation Roller
    66
    
    Removing the Separation Roller
    66
- Fixing System
  67
  - Fixing Assembly
    67
    
    Before Removing the Fixing Assembly
    67
    
    Removing the Fixing Assembly
    67
  - Fixing Film Unit
    68
    
    Before Removing the Fixing Film Unit
    68
    
    Removing the Fixing Film Unit
    68
  - Fixing Pressure Roller
    69
    
    Before Removing the Fixing Pressure Roller
    69
    
    Removing the Fixing Pressure Roller
    69
  - Fixing Motor
    69
    
    Before Removing the Fixing Motor
    69
    
    Removing the Fixing Motor
    69
Chapter 4 MAINTENANCE and INSPECTION

71
- Periodically Replaced Parts
  75
- Consumables
  75
  - Life Expectancy of Consumable Parts
    75
- Periodical Service
  75
  - Periodic Service
    75
- Cleaning
  75
  - Cleaning Point
    75
  - Pickup Roller
    75
  - Separation Roller
    76
  - Front Fixing Guide
    76
  - Feed Guide
    76
Chapter 5 TROUBLESHOOTING

77
- Outline.................................................................................................................................................................................... 2
  79
- Measurement and Adjustment
  81
- Service Tools
  83
  - Standard Tools
    83
  - Solvents and Oils
    83
- Error Code
  83
- Version up
  86
  - Outline
    86
    
    Overview of Version Upgrading
    86
- Service Mode
  86
  - Service Mode Table
    87
    
    Service Mode Items
    87
    
    Service Chart Print 1
    87
    
    Service Chart Print 1
    88
    
    Service Chart Print 2
    88
    
    Service Chart Print 2
    89
    
    Status Print B
    92
Chapter 6 APPENDIX

95
- Clutch/Solenoid........................................................................................................................................................6
  97
- Outline of Electrical Components
  99
  - Solenoid
    99
  - Motor
    99
  - Sensor
    100
  - Pcbs
    101

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