Canon LBP2900 series Laser Printer Manuals

Canon LBP2900 series Laser Printer Manuals

Manuals and User Guides for Canon LBP2900 series Laser Printer. We have 1 Canon LBP2900 series Laser Printer manual available for free PDF download: Service Manual

Canon LBP2900 series Service Manual

Canon LBP2900 series Service Manual (118 pages)

Brand: Canon | Category: Printer | Size: 3.25 MB

Table of Contents

Table of Contents

7
- Service Manual
  1
- Symbols Used
  4
- Chapter 1 PRODUCT DESCRIPTION
  13
Table of Contents

15
- Features
  17
- Product Specifications
  18
  - Machine Specifications
    18
- Name of Parts
  19
  - External View
    19
  - Cross Section View
    19
- Using the Machine
  21
  - Control Panel
    21
- Safety
  22
- Chapter 2 TECHNICAL REFERENCE
  23
Table of Contents

25
- Functional Configuration
  27
  - Outline
    27
- Basic Sequense
  28
  - Basic Operation Sequence
    28
  - Power-On Sequence
    28
- Laser Exposure System
  29
  - Overview/Configuration
    29
    
    Overview
    29
  - Controlling the Laser Activation Timing
    29
    
    Turning On/Off the Laser
    29
    
    Horizontal Synchronization Control
    30
  - Laser Control
    30
    
    Auto Photo Current Control
    30
  - Laser Scanner Motor Control
    31
    
    Detection of a Fault in the Scanner Motor
    31
    
    Outline
    31
    
    Scanner Motor Speed Control
    31
- Image Formation System
  32
  - Overview/Configuration
    32
    
    Construction
    32
    
    Printing Process
    32
    
    Latent Image Formation Block
    33
    
    Development Block
    34
    
    Transfer Block
    35
    
    Fixing Block
    36
    
    Drum Cleaning Block
    37
  - High-Voltage Control
    37
    
    Outline
    37
    
    Generation of the Developing Bias
    38
    
    Generation of the Primary Charging Bias
    38
    
    Generation of the Transfer Charging Bias
    38
  - Toner Cartridge
    39
    
    Checking the Level of Toner
    39
    
    Checking the Presence/Absence of a Toner Cartridge
    39
- Pickup and Feeding System
  40
  - Overview/Configuration
    40
    
    Outline
    40
  - Detecting Jams
    40
    
    Jam Detection Outline
    40
    
    Delay Jams
    41
    
    Other Jams
    41
    
    Stationary Jams
    41
  - Multi-Purpose Pickup
    41
    
    Delivery Delay Jam
    41
    
    Delivery Stationary Jam
    41
    
    Pickup Delay Jam
    41
    
    Pickup from the Pickup Tray/Manual Feed Tray
    41
    
    Pickup Stationary Jam
    41
    
    Wrapping Jam Around the Fixing Assembly
    41
- External and Controls System
  43
  - Power Supply
    43
    
    Low-Voltage Power Supply Circuit
    43
    
    Protective Functions
    43
    
    Protective Mechanisms
    43
- Engine Control System
  45
  - Video Controller
    45
    
    Outline of Operation by Block
    45
    
    Overview
    45
  - Engine Controller
    46
    
    Outline
    46
- Fixing Unit/Delivery System
  47
  - Overview/Configuration
    47
    
    Major Components of the Fixing Assembly
    47
    
    Overview
    47
  - Various Control Mechanisms
    48
    
    Fixing Temperature Control
    48
    
    Heater Temperature Control
    48
    
    Detection of a Fault
    50
    
    Protective Functions
    50
    
    Protective Mechanisms
    50
- Chapter 3 DISASSEMBLY and ASSEMBLY
  51
Table of Contents

53
- External and Controls System
  55
  - Rear Cover
    55
    
    Removing the
    55
    
    Removing the Left Cover
    55
    
    Removing the Right Cover
    55
    
    Removing the Upper Cover
    56
  - Right Cover
    56
    
    Removing the Right Cover
    56
  - Left Cover
    57
    
    Removing the Left Cover
    57
  - Upper Cover
    57
    
    Removing the Right Cover
    57
    
    Removing the
    58
    
    Removing the Upper Cover
    58
  - Front Cover
    59
    
    Removing the Left Cover
    59
    
    Removing the Right Cover
    59
    
    Removing the
    60
  - Delivery Tray
    60
    
    Removing the Delivery Tray
    60
  - Pickup Tray
    60
    
    Removing the Pickup Tray
    60
  - Engine Controller Board
    60
    
    Removing the Right Cover
    60
    
    Removing the
    61
    
    Removing the Engine Controller PCB
    61
    
    Removing the Left Cover
    61
  - Video Controller Board
    62
    
    Removing the Right Cover
    62
  - Power Supply Board
    62
    
    Removing the
    63
    
    Removing the Left Cover
    63
    
    Removing the Power Supply PCB
    64
    
    Removing the Rear Cover
    64
    
    Removing the Upper Cover
    64
  - Top Sensor
    65
    
    Removing the Left Cover
    65
    
    Removing the Right Cover
    65
    
    Removing the
    66
    
    Removing the Rear Cover
    66
    
    Removing the Upper Cover
    66
    
    Removing the Paper Leading Edge/Paper Width Sensor PCB
    67
- Laser Exposure System
  68
  - Laser Scanner Unit
    68
    
    Removing the
    68
    
    Removing the Left Cover
    68
    
    Removing the Right Cover
    68
    
    Removing the Engine Controller PCB
    69
    
    Removing the Laser Scanner Unit
    69
- Image Formation System
  70
  - Transfer Charging Roller
    70
    
    Removing the Transfer Charging Roller
    70
- Pickup and Feeding System
  71
  - Pickup Unit
    71
    
    Removing the Left Cover
    71
    
    Removing the Right Cover
    71
    
    Removing the Transfer Charging Roller
    71
    
    Removing the
    72
    
    Removing the Rear Cover
    72
    
    Removing the Upper Cover
    72
    
    Removing the Fixing Assembly
    73
    
    Removing the Pickup Assembly
    73
    
    Removing the Power Supply PCB
    73
  - Manual Pickup Roller
    73
    
    Removing the Pickup Roller
    73
  - Multi-Purpose Pickup Solenoid
    74
    
    Removing the Pickup Solenoid
    74
    
    Removing the Right Cover
    74
  - Manual Separation Pad
    74
    
    Removing the Separation Pad
    74
  - Main Motor
    74
    
    Removing the
    75
    
    Removing the Engine Controller PCB
    75
    
    Removing the Left Cover
    75
  - Delivery Tray
    75
    
    Removing Engine Controller PCB
    75
    
    Removing the Laser Scanner Unit
    76
    
    Removing the Main Motor
    76
- Fixing System
  77
  - Fixing Unit
    77
    
    Removing the
    77
    
    Removing the Left Cover
    77
    
    Removing the Right Cover
    77
    
    Removing the Power Supply PCB
    78
    
    Removing the Rear Cover
    78
    
    Removing the Upper Cover
    78
    
    Removing the Fixing Assembly
    79
  - Fixing Film Unit
    79
    
    Removing the Left Cover
    79
    
    Removing the
    82
    
    Removing the Left Cover
    82
    
    Removing the Upper Cover
    83
    
    Removing the
    85
Table of Contents

91
- Periodically Replaced Parts
  93
  - Periodic Replacement Parts
    93
- Consumables
  94
  - Consumable Parts
    94
- Periodical Service
  95
  - Periodic Service
    95
- Cleaning
  96
  - Items to Clean
    96
  - Cleaning (External Covers)
    96
  - Cleaning (Printer Unit)
    96
Table of Contents

101
- Measurement and Adjustment
  103
  - Mechanical Adjustment
    103
  - Checking the Pressure of the Pressure Roller (Nip)
    103
- Service Tools
  104
  - Special Tools
    104
  - Solvent/Oil List
    104
- Location of Convectors
  105
- Error Code Table
  106
  - Overview
    106
  - Service Messages
    106
  - Outline of Electrical Components
    111
  - Clutch/Solenoid
    111
    
    Solenoid
    111
  - Motor
    112
  - Sensor
    113
  - Switch
    114
  - Lamps, Heaters, and Others
    115
    
    Heater
    115
  - Pcbs
    116

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