Canon i-SENSYS MF4120 Manuals

Manuals and User Guides for Canon i-SENSYS MF4120. We have 1 Canon i-SENSYS MF4120 manual available for free PDF download: Service Manual

Canon i-SENSYS MF4120 Service Manual

Canon i-SENSYS MF4120 Service Manual (140 pages)

MF4100 Series

Brand: Canon | Category: All in One Printer | Size: 4.29 MB

Table of Contents

Table of Contents

7
- Service Manual
  1
- Chapter 1 Introduction
  
  13
Table of Contents

15
- Product Specifications
  17
  - Names of Parts
    17
    
    External View
    17
    
    Section View (Host Machine)
    18
    
    Section View (ADF)
    19
    
    Control Panel
    20
  - Safety
    21
    
    Safety of the Host Machine's Laser Mechanism
    21
    
    CDRH Regulations
    21
    
    Handling of the Laser Assembly
    22
    
    Safety of the Toner
    22
    
    Fire Attention
    22
    
    Points no Note When Replacing / Disposing the Lithium Battery
    22
  - Product Specifications
    23
    
    Host Machine Specifications
    23
    
    ADF Specifications
    24
    
    FAX Specifications
    24
  - Function List
    25
    
    Scanning Range (ADF)
    25
    
    Scanning Range (Copyboard)
    26
    
    Recording Range (Copy)
    26
    
    Recording Range (Reception)
    27
    
    Recording Range (Printer)
    27
    
    Operation Environment of the Printer Driver
    28
- Chapter 2 Basic Operation
  
  29
  - Basic Sequence
    31
  - Construction
    33
    
    Function Configuration
    33
  - Basic Sequence
    33
    
    Basic Operation Sequence
    33
- Chapter 3 Original Exposure System
  
  35
  - Basic Constraction
    39
    
    Specifications / Control / Function List
    39
    
    Major Components
    39
  - Parts Replacement Procedure
    40
    
    Scanner Unit
    40
    
    Preparation for Removing the Control Panel Assembly
    40
    
    Removing the Control Panel Assembly
    40
    
    Book Motor
    40
    
    Preparation for Removing the Flat Bed Motor
    40
    
    Removing the Flat Bed Motor
    40
    
    Contact Sensor
    41
    
    Removing the Contact Sensor
    41
- Chapter 4 Original Feeding System
  
  43
Table of Contents

45
- Basic Operation
  47
  - Original Detection
    48
  - Detection Jams
    48
    
    Jam Detection
    48
  - Adf
    49
    
    Pick-Up Roller
    49
    
    Removing the Pickup Roller
    49
    
    ADF Motor
    49
    
    Preparation for Removing the ADF Motor
    49
    
    Removing the ADF Motor
    49
    
    Separation Pad
    50
    
    Removing the Separation Pad
    50
Table of Contents

55
- Chapter 12 Error Code
  
  57
  - Error Code
    57
    
    Overview/Configuration
    57
    
    Overview
    57
- Chapter 5 Laser Exposure
  
  58
  - Controlling the Intensity of Laser Light
    58
    
    Auto Photoelectric Current Control (APC)
    58
    
    Controlling the Laser Scanner Motor
    59
    
    Overview
    59
    
    Scanner Motor Speed Control
    59
    
    Detection of Fault of the Scanner Motor
    59
    
    Parts Replacement Procedure
    60
    
    Laser/Scanner Unit
    60
    
    Preparation for Removing the Laser Scanner Unit
    60
    
    Removing the Laser Scanner Unit
    60
Overview/Configuration

63
- Chapter 6 Image Formation
  
  63
  - Controlling the Laser Activation Timing
    58
    
    Laser on / off Control
    58
  - Overview/Configuration
    63
    
    Overview/Configuration
    65
    
    Configuration
    65
    
    Print Process
    65
    
    Transfer Charging Roller
    65
    
    Driving and Controlling the High-Voltage System
    66
    
    Generation of Transfer Charging Bias
    66
    
    Parts Replacement Procedure
    67
    
    Transfer Charging Roller
    67
    
    Removing the Transfer Charging Roller
    67
Table of Contents

71
- Overview/Configuration
  73
  - Overview
    73
- Other Control
  74
  - Overview
    74
- Detection Jams
  75
  - Jam Detection Outline
    75
    
    Overview
    75
  - Delay Jams
    75
    
    Pickup Delay Jam
    75
    
    Delivery Delay Jam
    75
  - Stationary Jams
    75
    
    Pickup Stationary Jam
    75
    
    Delivery Stationary Jam
    75
  - Other Jams
    75
    
    Residual Jam at Startup
    76
- Duplex Unit
  77
  - Overview
    77
- Parts Replacement Procedure
  78
  - Main Motor
    78
    
    Preparation for Removing Main Motor
    78
    
    Removing Main Motor
    78
  - Separation Pad
    78
    
    Preparation for Removing Separation Pad
    78
    
    Removing Separation Pad
    78
  - Pickup Roller
    78
    
    Removing Pickup Roller
    78
Table of Contents

81
- Overview/Configuration
  83
  - Specification/Control/Function List
    83
  - Overview
    83
- Various Control Mechanisms
  85
  - Controlling the Temperature of the Fixing Unit
    85
    
    Fixing Temperature Control
    85
- Protection Function
  86
- Parts Replacement Procedure
  87
  - Fixing Unit
    87
    
    Preparation for Removing Fixing Assembly
    87
    
    Removing Fixing Assembly
    87
  - Fixing Film Unit
    87
    
    Preparation for Removing Fixing Film Unit
    87
    
    Removing Fixing Film Unit
    87
Control Panel/Power Supply

91
- Control Panel
  93
  - Outline
    93
- Power Supply
  93
  - Protection Function
    93
    
    Protecting Function
    93
  - Front Cover
    94
- Chapter 8 Fixing System
  
  94
  - Parts Replacement Procedure
    94
    
    Removing the
    94
    
    Rear Cover
    94
    
    Preparation for Removing the Rear Cover
    94
    
    Right Cover
    94
    
    Removing the Right Cover
    94
    
    Left Cover
    94
    
    Removing the Left Cover
    94
    
    Upper Cover
    95
    
    Preparation for Removing the Upper Cover
    95
    
    Cartridge Cover
    95
    
    Preparation for Removing the Cartridge Cover
    95
    
    Removing the Cartridge Cover
    95
    
    Operation Panel Unit
    96
    
    Removing the Control Panel Unit
    96
    
    SCNT Board
    96
    
    Preparation for Removing the SCNT Board
    96
    
    Removing the SCNT Board
    96
    
    DCNT Board
    96
    
    Preparation for Removing the DCNT Board
    96
    
    NCU Board
    98
    
    Preparation for Removing the NCU Board
    98
    
    Removing the NCU Board
    98
    
    Power Supply PCB
    98
    
    Preparation for Removing the Power Supply Board
    98
    
    Removing the Power Supply Boar
    98
    
    High-Voitage Power Supply PCB
    98
    
    Preparation for Removing the High Voltage Power Supply Board
    98
    
    Removing the High Voltage Power Supply Board
    98
    
    Periodically Replaced Parts
    101
- Chapter 9 External and Controls
  
  94
  - Cleaning
    101
    
    Cleaning Items
    101
    
    Cleaning Method (External Covers)
    101
- Chapter 10 Maintenance and Inspection
  
  103
  - Consumables
    101
    
    Periodical Service
    101
    
    Periodically Service Items
    101
  - Periodical Service
    103
    
    Cleaning Method (Reader Unit)
    104
- Chapter 11 Measurement and Adjustments
  
  107
  - Periodically Replaced Parts
    103
  - Basic Adjustments
    107
    
    Adjustment Items
    107
    
    Paper Margin Adjustment
    107
    
    Reading Adjustment
    107
    
    Basic Adjustments
    109
    
    Print Adjustment
    110
    
    Error Code Outline
    113
Table of Contents

121
- How to Activate Service Mode
  123
- Outline
  123
- Setting Service Data
  123
- Service Data Menu
  124
- Outline
  126
  - SOFT SWITCH Explained
    126
- Service Soft Switch Settings (Sssw)
  126
  - Sssw-Sw02:
    127
    
    Function List
    127
    
    Bit 2 and 3 Elaborated
    127
    
    Bit 5 Elaborated
    127
  - Sssw-Sw04
    127
    
    Bit 8 Elaborated
    127
  - Sssw-Sw10
    127
    
    Bit 1 Elaborated
    128
    
    Bit 2 Elaborated
    128
  - Sssw-Sw16
    128
    
    Function List
    128
    
    Bit 3 Elaborated
    128
  - Sssw-Sw21
    128
    
    Bit 4 Elaborated
    128
  - Sssw-Sw30
    128
    
    Bit 7 and 8 Elaborated
    129
  - Sssw-Sw37
    129
    
    Function List
    129
    
    Bit 1 to Bit 6 Elaborated
    129
  - Sssw-Sw39
    129
    
    Bit 7 Elaborated
    129
    
    Bit 8 Elaborated
    130
  - Sssw-Sw51
    130
    
    Function List
    130
    
    Bit 3 and 4 Elaborated
    130
  - Sssw-Sw54
    130
    
    Bit 6 and 7 Elaborated
    130
  - Service Data List
    131
    
    Outline of Test Mode
    131
    
    Overview
    131
    
    Test Mode Menu
    131
- Report Output (Report)
  131
- Test Mode (Test)
  131
  - Faculty Test
    132
    
    Print Test Pattern
    132
    
    Sensor Test
    132
    
    Key Test
    132
- Chapter 14 Service Tools
  
  133
  - Service Tools
    133
    
    Solvents / Lubricants Table
    135
    
    Service Tools
    137

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