Canon LBP3250 Series Manuals

Canon LBP3250 Series Manuals

Manuals and User Guides for Canon LBP3250 Series. We have 1 Canon LBP3250 Series manual available for free PDF download: Service Manual

Canon LBP3250 Series Service Manual

Canon LBP3250 Series Service Manual (98 pages)

Brand: Canon | Category: Printer | Size: 4.16 MB

Table of Contents

Table of Contents

5
- Chapter 1 PRODUCT DESCRIPTION
  9
Chapter 1 Product Description

10
- Features
  11
- Product Specifications
  12
  - Specifications
    12
- Name of Parts
  13
  - External View
    13
  - Cross Section
    14
- Safety
  15
  - Safety of Laser Light
    15
  - CDRH Regulations
    15
  - Safety of Toner
    16
  - Handling the Laser Unit
    16
  - Points to Note at Disassembly/Assembly Work
    16
- Using the Machine
  15
  - Control Panel
    15
- Chapter 2 TECHNICAL REFERENCE
  17
Chapter 2 Technical Reference

18
- Basic Sequence
  20
  - Basic Sequence of Operation
    20
  - Power-On Sequence
    21
- Functional Configuration
  20
  - Outline
    20
- Laser Exposure System
  22
  - Overview/Configuration
    22
    
    Overview
    22
  - Controlling the Laser Activation Timing
    23
    
    Laser ON/OFF Control
    23
    
    Horizontal Sync Control
    23
  - Laser Control
    24
    
    Auto Power Control (APC)
    24
  - Laser Scanner Motor Control
    24
    
    Overview
    24
    
    Scanner Motor Fault Detection
    25
- Image Formation System
  26
  - Overview/Configuration
    26
    
    Overview
    26
    
    Print Process
    27
    
    Static Latent Image Formation Block
    28
    
    Development Block
    29
    
    Transfer Block
    30
    
    Fixing Block
    31
    
    Drum Cleaning Block
    31
  - High-Voltage Control
    32
    
    Overview
    32
    
    Generating Primary Charging Bias
    32
    
    Generating Developing Bias
    32
    
    Generating Transfer Bias
    32
  - Toner Cartridge
    33
    
    Toner Level Detection
    33
    
    Toner Cartridge Absence/Presence Detection
    33
- Pickup and Feeding System
  34
  - Overview/Configuration
    34
    
    Overview
    34
  - Detecting Jams
    35
    
    Jam Detection Outline
    35
    
    Overview
    35
    
    Delay Jams
    36
    
    Stationary Jams
    36
    
    Other Jams
    36
    
    Delivery Delay Jam
    36
    
    Pickup Stationary Jam
    36
    
    Delivery Stationary Jam
    36
    
    Fixing Take-Up Jam
    36
    
    Remaining Jam at Start-Up
    36
- External and Controls System
  37
  - Power Supply
    37
    
    Low Voltage Power Circuit
    37
    
    Protective Functions
    38
    
    Power Protective Function
    38
    
    Safety Function
    38
- Engine Control System
  39
  - Main Controller
    39
    
    General Description
    39
  - Engine Controller
    40
    
    General Description
    40
- Fixing Unit/Delivery System
  41
  - Overview/Configuration
    41
    
    Overview
    41
    
    Main Parts of Fixing Unit
    41
  - Various Control Mechanisms
    42
    
    Fixing Temperature Control
    42
    
    Protective Functions
    43
    
    Protective Function of Fixing Unit
    43
    
    Error Detection
    43
  - Other Functions
    44
    
    Throughput down Control
    44
- Chapter 3 DISASSEMBLY and ASSEMBLY
  45
Fixing System

47
- External and Controls System
  48
  - Rear Cover
    48
    
    Before Removing the Rear Cover
    48
    
    Removing the Rear Cover
    48
  - Right Cover
    48
    
    Before Removing the Right Cover
    48
    
    Removing the Right Cover
    48
  - Left Cover
    48
    
    Before Removing the Left Cover
    48
    
    Removing the Left Cover
    48
  - Upper Cover
    49
    
    Removing the Upper Cover
    49
  - Front Cover
    50
    
    Before Removing the
    50
    
    Removing the
    50
  - Delivery Tray
    50
    
    Removing the Delivery Auxiliary Tray
    50
  - Pickup Tray
    50
    
    Before Removing the Pickup Tray
    50
    
    Removing the Pickup Tray Unit
    50
  - Drive Unit
    51
    
    Before Removing the Drive Belt
    51
    
    Removing the Drive Belt
    51
  - Main Drive Unit
    52
    
    Before Removing the Main Motor
    52
    
    Removing the Main Motor
    52
  - Engine Controller Board
    54
    
    Before Removing the Engine Controller PCB
    54
    
    Removing the Engine Controller PCB
    54
  - Main Controller PCB
    55
    
    Before Removing the Main Controller PCB
    55
    
    Removing the Main Controller PCB
    55
  - Top Sensor
    55
    
    Before Removing the Paper Lead Edge Sensor
    55
    
    Removing the Paper Lead Edge Sensor
    55
  - Sensor Boade
    56
    
    Before Removing the Sensor PCB
    56
    
    Removing the Sensor PCB
    56
- Laser Exposure System
  57
  - Laser Scanner Unit
    57
    
    Before Removing the Laser Scanner Unit
    57
    
    Removing the Laser Scanner Unit
    57
- Image Formation System
  58
  - Transfer Charging Roller
    58
    
    Removing the Transfer Roller
    58
  - Memory Tag Contact Unit
    59
    
    Before Removing the Memory Contact Unit
    59
    
    Removing the Memory Contact Unit
    59
- Pickup and Feeding System
  61
  - Pickup Unit
    61
    
    Before Removing the Pickup Unit
    61
    
    Removing the Pickup Unit
    61
  - Cassette Pickup Roller
    62
    
    Removing the Pickup Roller
    62
  - Cassette Pickup Solenoid
    62
    
    Before Removing the Pickup Solenoid
    62
    
    Removing the Pickup Solenoid
    63
  - Cassette Separation Pad
    63
    
    Removing the Separation Pad
    63
- Fixing System
  63
- Chapter 4 MAINTENANCE and INSPECTION
  67
- Consumables
  69
- Periodical Service
  69
  - Scheduled Servicing
    69
- Periodically Replaced Parts
  69
- Cleaning
  70
  - Cleaning Method
    70
Chapter 5 Troubleshooting

72
- Measurement and Adjustment
  73
  - Test Print
    73
    
    Test Print Function
    73
  - Mechanical Adjustment
    73
    
    Checking the Pressure of the Pressure Roller (Nip)
    73
- Service Tools
  74
  - Standard Tools
    74
  - Special Tool
    74
  - List of Solvent/ Lubricant
    74
- Error Code Table
  75
  - Overview
    75
  - Service Message
    76
- Version up
  76
  - Upgrade
    76
Chapter 6 Appendix

78
- Clutch/Solenoid
  79
  - Solenoid
    79
- Motor
  79
- Outline of Electrical Components
  79
- Sensor
  80
- Switch
  80
- Pcbs
  81
  - Pcb
    81
Parts Catalog

83
- Lbp3250(Numerical Index)
  84
- Numerical Index
  84
- Lbp3250(Parts Catalog)
  85
- Accessories
  87
- External Covers, Panels, Etc
  88
- Internal Components 1
  90
- Internal Components 2
  92
- Internal Components 3
  94
- Fixing Paper Delivery Ass'y
  96

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