Canon L120 Series Manuals

Manuals and User Guides for Canon L120 Series. We have 2 Canon L120 Series manuals available for free PDF download: Service Manual

Canon L120 Series Service Manual

Canon L120 Series Service Manual (158 pages)

Brand: Canon | Category: Printer | Size: 7.74 MB

Table of Contents

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

13
- Product Specifications
  17
  - Product Specifications
    19
- Detailed Specifications
  23
- Names of Parts
  27
  - External View
    27
  - Operation Panel
    28
- Safety
  30
  - Safety of Laser Light
    30
  - Handling the Laser Unit
    30
  - Safety of Toner
    30
  - Point to Note about Fire
    30
  - Point to Note about Battery Replacement
    31
Chapter 2 TECHNICAL REFERENCE

33
- Document Feed and Exposure System
  37
  - Overview/Configuration
    37
    
    Overview
    37
- Laser Exposure
  38
  - Overview/Configuration
    38
    
    Overview
    38
- Image Formation
  40
  - Overview/Configuration
    40
    
    Overview
    40
- Pickup and Feed System
  41
  - Overview/Configuration
    41
    
    Overview
    41
  - Detection Jams
    41
    
    Jam Detection Outline
    41
    
    Type so Jams
    41
    
    Delay Jams
    42
    
    Stationary Jams
    42
    
    Other Jams
    42
    
    Pickup Delay Jam
    42
    
    Delivery Delay Jam
    42
    
    Pickup Stationary Jam
    42
    
    Delivery Stationary Jam
    42
    
    Wrap Jam
    42
    
    Initial Jam
    42
    
    Cover Open Jam
    42
- Fixing Unit
  43
  - Overview/Configuration
    43
    
    Overview
    43
  - Various Control Mechanisms
    43
    
    Controlling the Temperature of the Fixing Unit
    43
    
    Heater Temperature Control
    43
  - Protective Function
    45
    
    Protective Mechanisms
    45
    
    Detection of a Fault
    45
- External and Controls
  46
  - Power Supply
    46
    
    Protection Function
    46
    
    Backup Battery
    46
    
    Protective Mechanisms
    46
    
    Battery-Backed up Data
    46
Chapter 3 DISASSEMBLY and ASSEMBLY

47
- External and Controls System
  55
  - Front Cover
    55
    
    Removing the Right Cover
    55
    
    Removing the Left Cover
    55
    
    Removing the
    55
  - Rear Cover
    55
    
    Removing the Left Cover
    56
    
    Removing the Rear Cover
    56
  - Right Cover
    56
    
    Removing the Right Cover
    56
  - Left Cover
    56
  - Upper Cover
    56
    
    Removing the
    57
    
    Removing the Rear Cover
    57
    
    Removing the Cartridge Cover
    57
    
    Removing the Left Cover
    57
    
    Removing the Operation Panel Unit
    58
    
    Removing the Upper Cover
    58
  - Cartridge Cover
    58
    
    Removing the Right Cover
    58
    
    Removing the Left Cover
    58
    
    Removing the Rear Cover
    59
    
    Removing the Cartridge Cover
    59
  - Operation Panel Unit
    59
    
    Removing the Right Cover
    59
    
    Removing the Left Cover
    59
    
    Removing the
    60
    
    Removing the Rear Cover
    60
    
    Removing the Cartridge Cover
    60
    
    Removing the Operation Panel Unit
    61
  - SCNT Board
    61
    
    Removing the Right Cover
    61
    
    Removing the SCNT Board
    61
  - DCNT Board
    61
    
    Removing the Left Cover
    62
    
    Removing the
    62
    
    Removing the Rear Cover
    62
    
    Removing the Cartridge Cover
    62
    
    Removing the Operation Panel Unit
    63
    
    Removing the Reader Unit
    63
    
    Removing the DCNT Board
    63
  - Power Supply PCB
    64
    
    Removing the Left Cover
    64
    
    Removing the Power Supply Board
    64
  - High-Voitage Power Supply PCB
    64
    
    Removing the Right Cover
    64
    
    Removing the Rear Cover
    65
    
    Removing the Cartridge Cover
    65
    
    Removing the Rear Plate
    65
    
    Removing the High-Voltage Power Supply Board
    65
  - DC/DC Converter Board
    66
    
    Removing the Right Cover
    66
    
    Removing the DC/DC Converter Board
    66
  - Top Sensor
    66
    
    Removing the Left Cover
    66
    
    Removing the Rear Cover
    67
    
    Removing the Cartridge Cover
    67
    
    Removing the Rear Plate
    67
    
    Removing the Paper Leading Edge/Paper Width Sensor PCB
    67
  - Paper Delivery Sensor
    68
    
    Removing the Right Cover
    68
    
    Removing the Left Cover
    68
    
    Removing the Rear Cover
    68
    
    Removing the Cartridge Cover
    68
    
    Removing the Delivery Sensor PCB
    69
  - Toner Sensor
    69
    
    Removing the Right Cover
    69
    
    Removing the Toner Sensor
    69
  - Paper Width Sensor
    70
    
    Removing the Right Cover
    70
    
    Removing the Left Cover
    70
    
    Removing the Rear Cover
    70
    
    Removing the Cartridge Cover
    70
    
    Removing the Paper Width Sensor PCB
    71
  - Speaker
    71
    
    Removing the Right Cover
    71
    
    Removing the Speaker
    71
- Document Feed/Exposure System
  72
  - Separation Guide Unit
    72
    
    Removing the Right Cover
    72
    
    Removing the Left Cover
    72
    
    Removing the
    72
    
    Removing the Rear Cover
    72
    
    Removing the Cartridge Cover
    72
    
    Removing the Operation Panel Unit
    73
    
    Removing the Upper Cover
    73
    
    Removing the Reader Unit
    73
    
    Removing the Upper Reader Unit Frame
    73
    
    Removing the Separation Guide Unit
    73
  - Contact Sensor
    74
    
    Removing the Right Cover
    74
    
    Removing the Left Cover
    74
    
    Removing the
    74
    
    Removing the Rear Cover
    75
    
    Removing the Cartridge Cover
    75
    
    Removing the Operation Panel Unit
    75
    
    Removing the Upper Cover
    76
    
    Removing the Reader Unit
    76
    
    Removing the Contact Sensor
    76
  - Separation Roller
    76
    
    Removing the Right Cover
    76
    
    Removing the Left Cover
    77
    
    Removing the
    77
    
    Removing the Rear Cover
    77
    
    Removing the Cartridge Cover
    77
    
    Removing the Operation Panel Unit
    78
    
    Removing the Upper Cover
    78
    
    Removing the Reader Unit
    78
    
    Removing the Upper Reader Unit Frame
    78
    
    Removing the Separation Roller
    78
  - Feed Roller
    79
    
    Removing the Right Cover
    79
    
    Removing the Left Cover
    79
    
    Removing the
    79
    
    Removing the Rear Cover
    80
    
    Removing the Cartridge Cover
    80
    
    Removing the Operation Panel Unit
    80
    
    Removing the Upper Cover
    80
    
    Removing the Reader Unit
    81
    
    Removing the Upper Reader Unit Frame
    81
    
    Removing the Document Feed Roller
    81
  - Reader Unit
    82
    
    Removing the Right Cover
    82
    
    Removing the Left Cover
    82
    
    Removing the
    82
    
    Removing the Rear Cover
    83
    
    Removing the Cartridge Cover
    83
    
    Removing the Operation Panel Unit
    83
    
    Removing the Upper Cover
    83
    
    Removing the Reader Unit
    84
  - Document Feed Motor
    84
    
    Removing the Right Cover
    84
    
    Removing the Left Cover
    84
    
    Removing the
    84
    
    Removing the Rear Cover
    85
    
    Removing the Cartridge Cover
    85
    
    Removing the Operation Panel Unit
    85
    
    Removing the Upper Cover
    86
    
    Removing the Reader Unit
    86
    
    Removing the Document Feed Motor
    86
  - DS/DES Sensor
    86
    
    Removing the Right Cover
    86
    
    Removing the Left Cover
    86
    
    Removing the
    87
    
    Removing the Rear Cover
    87
    
    Removing the Cartridge Cover
    87
    
    Removing the Operation Panel Unit
    88
    
    Removing the Upper Cover
    88
    
    Removing the Reader Unit
    88
    
    Removing the Upper Reader Unit Frame
    88
    
    Removing the DS/DES Sensor
    88
- Laser Exposure System
  90
  - Laser/Scanner Unit
    90
    
    Removing the Right Cover
    90
    
    Removing the Left Cover
    90
    
    Removing the
    90
    
    Removing the Rear Cover
    90
    
    Removing the Cartridge Cover
    90
    
    Removing the Operation Panel Unit
    91
    
    Removing the Upper Cover
    91
    
    Removing the Reader Unit
    91
    
    Removing the DCNT Board
    91
    
    Removing the Laser/Scanner Unit
    92
- Image Formation System
  93
  - Transfer Charging Roller
    93
    
    Removing the Transfer Charging Roller
    93
- Pickup and Feeding System
  94
  - Pickup Unit
    94
    
    Removing the Transfer Charging Roller
    94
    
    Removing the Right Cover
    94
    
    Removing the Left Cover
    94
    
    Removing the
    94
    
    Removing the Rear Cover
    95
    
    Removing the Cartridge Cover
    95
    
    Removing the Operation Panel Unit
    95
    
    Removing the Upper Cover
    96
    
    Removing the Rear Plate
    96
    
    Removing the Fixing Assembly
    96
    
    Removing the Pickup Assembly
    96
  - Cassette Pickup Roller
    97
    
    Removing the Pickup Roller
    97
  - Cassette Pickup Solenoid
    97
    
    Removing the Right Cover
    97
    
    Removing the Pickup Solenoid
    97
  - Cassette Separation Pad
    98
    
    Removing the Separation Pad
    98
  - Main Motor
    98
    
    Removing the Right Cover
    98
    
    Removing the Left Cover
    98
    
    Removing the
    98
    
    Removing the Rear Cover
    99
    
    Removing the Cartridge Cover
    99
    
    Removing the Operation Panel Unit
    99
    
    Removing the Upper Cover
    100
    
    Removing the Reader Unit
    100
    
    Removing the DCNT Board
    100
    
    Removing the Laser/Scanner Unit
    101
    
    Removing the Main Motor
    101
- Fixing System
  102
  - Fixing Unit
    102
    
    Removing the Right Cover
    102
    
    Removing the Left Cover
    102
    
    Removing the
    102
    
    Removing the Rear Cover
    102
    
    Removing the Cartridge Cover
    102
    
    Removing the Operation Panel Unit
    103
    
    Removing the Upper Cover
    103
    
    Removing the Rear Plate
    103
    
    Removing the Fixing Assembly
    103
  - Fixing Film Unit
    104
    
    Removing the Right Cover
    104
    
    Removing the Left Cover
    104
    
    Removing the
    104
    
    Removing the Rear Cover
    105
    
    Removing the Cartridge Cover
    105
    
    Removing the Operation Panel Unit
    105
    
    Removing the Upper Cover
    106
    
    Removing the Rear Plate
    106
    
    Removing the Fixing Assembly
    106
    
    Removing the Fixing Film Unit
    106
  - Fixing Pressure Roller
    107
    
    Removing the Right Cover
    107
    
    Removing the Left Cover
    107
    
    Removing the
    107
    
    Removing the Rear Cover
    108
    
    Removing the Cartridge Cover
    108
    
    Removing the Operation Panel Unit
    108
    
    Removing the Upper Cover
    109
    
    Removing the Rear Plate
    109
    
    Removing the Fixing Assembly
    109
    
    Removing the Fixing Film Unit
    109
    
    Removing the Pressure Roller
    110
Chapter 4 MAINTENANCE and INSPECTION

111
- Periodically Replaced Parts
  115
  - Periodic Replacement Parts
    115
- Consumables
  116
  - Consumable
    116
- Cleaning
  117
  - Items Requiring Cleaning
    117
  - Cleaning Method (External Covers)
    117
  - Cleaning Method (Scanning Unit)
    117
  - Cleaning (Printer Unit)
    118
Chapter 5 TROUBLESHOOTING

121
- Phenomenon Table
  125
  - Symptoms
    125
- Measurement and Adjustment
  126
  - Image Adjustments
    126
    
    Adjusting the Paper Margin
    126
    
    Read Adjustment
    126
    
    Print Adjustment
    126
- Service Tools
  128
  - Solvent/Oil List
    128
- Error Code
  129
  - Outline
    129
- Service Mode
  133
  - Outline
    133
    
    Service Data Setting
    133
    
    Service Data Entry Method
    133
    
    Service Data Flowchart
    133
  - Default Settings
    135
  - Service Soft Switch Settings (SSSW)
    142
    
    Outline
    142
    
    Explanation of SOFT SWITCH
    142
    
    Sssw-Sw02
    143
    
    List of Functions
    143
    
    Details of Bit 2 and Bit 3
    143
    
    Sssw-Sw10
    144
    
    Sssw-Sw16
    144
    
    Sssw-Sw30
    144
    
    List of Functions
    144
    
    Details of Bit 1
    144
    
    Details of Bit 2
    144
    
    Details of Bit 3
    144
    
    Sssw-Sw37
    145
    
    List of Functions
    145
    
    Details of Bit 0 through Bit 6
    145
    
    Sssw-Sw51
    146
    
    Sssw-Sw54
    146
    
    List of Functions
    146
  - Report Output (REPORT)
    147
    
    Service Data List
    147
  - Test Mode (TEST)
    147
    
    Overview
    147
    
    Faculty Test
    148
    
    Print Test Pattern
    148
    
    Adf Feed Test
    148
Chapter 6 APPENDIX

151
- Outline of Electrical Components
  153
- Outline of Electrical Components
  155
  - Sensor
    155
    
    Arrangement of Sensors and Switches
    155
  - Pcbs
    155
    
    Arrangement of Pcbs
    155

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Canon L120 Series Service Manual

Canon L120 Series Service Manual (19 pages)

Brand: Canon | Category: Fax Machine | Size: 0.2 MB

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