Canon L174 Series Manuals

Manuals and User Guides for Canon L174 Series. We have 1 Canon L174 Series manual available for free PDF download: Service Manual

Canon L174 Series Service Manual

Canon L174 Series Service Manual (186 pages)

Brand: Canon | Category: Printer | Size: 30.12 MB

Table of Contents

Table of Contents
4
Safety Precautions
10
CDRH Provisions
11
Laser Safety
11
- About Laser Beams
  11
- Handling Laser Scanner Unit
  11
Toner Safety
12
- About Toner
  12
- Handling Adhered Toner
  12
Notes on Handling Lithium Battery
12
Notes on Assembly/Disassembly
12
1 Product Overview

13
- Product Lineup
  13
  - Host Machine
    14
    
    L150
    14
    
    L150 Chn / L150 Kor / L154
    14
- Product Features
  14
- Specifications
  15
  - Product Specifications
    15
  - ADF Specifications
    15
  - FAX Specifications
    16
- Parts Name
  16
2 Technical Overview

24
- Basic Configuration
  24
  - Configuration Function
    25
  - Basic Sequence
    25
    
    Basic Sequence of Operation
    25
    
    Print Sequence
    26
    
    Power-On Sequence
    27
- Controller System
  28
  - Main Controller
    28
    
    Overview
    28
  - Engine Controller
    28
    
    General Description
    28
  - Power Supply
    29
    
    Protective Functions
    29
  - Service Tasks
    30
    
    At Parts Replacement
    30
    
    Maintenance
    30
    
    Notes on Service Tasks
    30
- Original Exposure System
  31
  - Overview
    31
  - Major Components
    31
    
    Various Control
    31
  - Detecting Jam
    32
    
    Jam Detection Outline
    32
  - Service Tasks
    32
    
    At Parts Replacement
    32
    
    Maintenance
    32
    
    Notes on Service Tasks
    32
- Laser Exposure System
  33
  - Overview
    33
  - Controlling the Laser Activation Timing
    34
  - Laser ON/OFF Control
    34
  - Horizontal Sync Control
    34
- Laser Control
  35
  - Auto Power Control (APC)
    35
- Laser Scanner Motor Control
  35
  - Overview
    35
  - Scanner Motor Fault Detection
    36
- Service Tasks
  36
  - At Parts Replacement
    36
  - Maintenance
    36
  - Notes on Service Tasks
    36
- Image Formation System
  37
  - Overview/Configuration
    37
    
    Overview
    37
    
    Print Process
    37
    
    Development Block
    38
    
    Static Latent Image Formation Block
    38
    
    Drum Cleaning Block
    39
    
    Fixing Block
    39
    
    Transfer Block
    39
  - High-Voltage Control
    40
    
    Generating Developing Bias
    40
    
    Generating Primary Charging Bias
    40
    
    Generating Transfer Bias
    40
    
    Overview
    40
  - Toner Cartridge
    41
    
    Operation When Toner Level Is Low/Nearly out
    41
    
    Specification of Toner Level Display
    41
    
    Toner Level Detection
    41
    
    Toner Cartridge Absence/Presence Detection
    42
  - Service Tasks
    42
    
    At Parts Replacement
    42
    
    Maintenance
    42
    
    Notes on Service Tasks
    42
- Fixing System
  43
  - Overview/Configuration
    43
    
    Main Parts of Fixing Assembly
    43
    
    Overview
    43
    
    Fixing Temperature Control
    44
    
    Protective Functions
    44
    
    Various Control Mechanisms
    44
    
    Failure Detection
    45
    
    Other Functions
    46
    
    Throughput down Control
    46
    
    At Parts Replacement
    47
    
    Maintenance
    47
    
    Notes on Service Tasks
    47
    
    Service Tasks
    47
  - Pickup Feed System
    48
    
    Overview
    48
    
    Delay Jam
    49
    
    Delivery Delay Jam
    49
    
    Detecting Jams
    49
    
    Jam Detection Outline
    49
    
    Delivery Stationary Jam
    51
    
    Other Jams
    51
    
    Pickup Stationary Jam
    51
    
    Stationary Jam
    51
    
    At Parts Replacement
    52
    
    Maintenance
    52
    
    Notes on Service Tasks
    52
    
    Service Tasks
    52
3 Periodical Services

53
- Periodically Replaced Parts
  53
- Consumables
  53
- Periodical Service
  53
  - Scheduled Servicing
    54
- Cleaning
  54
4 Disassembly/Assembly

55
- Preface
  56
  - Outline
    56
- List of Parts
  57
- List of Main Unit
  61
- Electrical Components
  63
  - ADF Unit (L100/L170/L174/L250/L150 CHN/L150 KOR/L154)
    63
  - ADF Unit (L150 EUR/L150 AUS)
    64
  - Motor
    64
  - Solenoid
    65
  - Sensor
    65
  - Switch/Speaker
    66
  - Heater/Thermistor/Thermoswitch
    66
  - Pcb
    67
- List of Connectors
  68
  - ADF Unit
    68
    
    (L100/L170/L174/L250/L150 Chn/L150 Kor/L154)
    68
    
    (L150 Eur/L150 Aus)
    69
  - Printer Unit
    70
- External Cover
  72
  - Layout Drawing
    72
    
    Front Side (L100/L170/L174/L250/L150 CHN/L150 KOR/L154)
    72
    
    Front Side (L150 EUR/L150 AUS)
    73
    
    Rear Side (L100/L170/L174/L250/L150 CHN/L150 KOR/L154)
    73
    
    Rear Side (L150 EUR/L150 AUS)
    74
    
    Front Side (L150 CHN/L150 KOR/L154)
    75
    
    Rear Side (L150 CHN/L150 KOR/L154)
    76
  - Removing the ADF Left Cover
    77
    
    Procedure
    77
  - Removing the ADF Right Cover
    77
  - Removing the Handset Base Unit (L100/L170/L174/L250/L150 CHN/L150 KOR/L154)
    78
    
    Preparation
    78
    
    Procedure
    78
  - Removing the ADF Left Upper Cover (L150 EUR/L150 AUS)
    80
    
    Procedure
    80
  - Removing the Left Cover
    81
    
    Procedure
    81
  - Removing the Right Cover
    82
    
    Procedure
    82
  - Removing the Front Cover Unit
    83
    
    Preparation
    83
    
    Procedure
    83
  - Removing the Rear Cover
    83
  - Removing the Upper Cover
    84
    
    Preparation
    84
    
    Procedure
    84
- Controller System
  87
  - Layout Drawing
    87
  - Removing the Operation Panel Unit
    88
    
    Procedure
    88
  - Removing the Drive Belt
    88
    
    Preparation
    88
  - Removing the Main Motor
    90
    
    Preparation
    90
    
    Procedure
    90
  - Removing the Main Controller PCB
    93
    
    Before Replacing the Main Controller PCB
    93
    
    Preparation
    93
    
    Procedure
    93
    
    After Replacing the Main Controller PCB
    94
  - Removing the Engine Controller PCB
    94
    
    Preparation
    94
    
    Procedure
    94
  - Removing the Communication PCB Unit
    98
    
    Preparation
    98
    
    Procedure
    98
  - Removing the NCU PCB
    99
    
    Preparation
    99
    
    Procedure
    99
  - Removing the Paper Leading Edge Sensor
    99
  - Removing the Fixing Delivery/Paper Width Sensor PCB
    101
    
    Preparation
    101
    
    Procedure
    101
  - Removing the Toner Sensor
    103
    
    Preparation
    103
    
    Procedure
    103
  - Removing the Speaker
    105
    
    Preparation
    105
    
    Procedure
    105
- Original Exposure System
  106
  - Layout Drawing
    106
    
    (L100/L170/L174/L250/L150 Chn/L150 Kor/L154)
    106
  - Removing the ADF Unit
    108
    
    Preparation
    108
    
    Procedure
    108
  - Removing the ADF Upper Unit (L100/L170/L174/L250/L150 CHN/L150 KOR/L154)
    110
    
    Preparation
    110
    
    Procedure
    110
  - Removing the ADF Upper Unit (L150 EUR/L150 AUS)
    112
    
    Preparation
    112
    
    Procedure
    112
  - Removing the Document Feed Tray
    115
    
    Preparation
    115
    
    Procedure
    115
  - Removing the ADF Upper Unit and ADF Lower Unit (L100/L170/L174/L250/L150 CHN/L150 KOR/L154)
    116
    
    Preparation
    116
    
    Procedure
    116
  - Removing the ADF Upper Unit and ADF Lower Unit (L150 EUR/L150 AUS)
    119
    
    Preparation
    119
    
    Procedure
    119
  - Removing the CIS Unit
    122
    
    Preparation
    122
    
    Procedure
    122
  - Removing the White Plate Retainer
    123
    
    Preparation
    123
    
    Procedure
    123
  - Removing the ADF Pickup Roller
    124
    
    Preparation
    124
    
    Procedure
    124
  - Removing the ADF Feed Roller
    126
    
    Preparation
    126
    
    Procedure
    126
  - Removing the ADF Separation Pad
    128
    
    Procedure
    128
  - Removing the ADF Delivery Roller
    129
    
    Preparation
    129
    
    Procedure
    129
- Laser Exposure System
  131
  - Layout Drawing
    131
  - Removing the Laser Scanner Unit
    131
    
    Preparation
    131
    
    Procedure
    131
- Image Formation System
  133
  - Layout Drawing
    133
  - Removing the Transfer Roller
    133
    
    Procedure
    133
- Fixing System
  135
  - Layout Drawing
    135
  - Removing the Fixing Assembly
    135
    
    Preparation
    135
    
    Procedure
    135
- Pickup Feed System
  140
  - Layout Drawing
    140
    
    Preparation
    140
    
    Procedure
    140
    
    Removing the Pickup Unit
    140
    
    Preparation
    144
    
    Removing the Pickup Roller
    144
    
    Preparation
    145
    
    Procedure
    145
    
    Removing the Pickup Solenoid
    145
    
    Preparation
    147
    
    Removing the Separation Pad
    147
5 Adjustment

148
- Electrical Adjustment
  148
  - Electric Part-Related Adjustment
    149
    
    After Replacing the Main Controller PCB
    149
    
    When Replacing the Main Controller PCB
    149
6 Trouble Shooting

150
- Test Print
  150
  - Test Print Function
    151
- Trouble Shooting Items
  152
  - Image Faults
    152
    
    Smudged/Streaked
    152
    
    Repetitive Image Defects Ruler
    153
- Mechanical Adjustment
  153
  - Confirming Nip Width
    153
- Version Upgrade
  154
  - Overview
    154
  - Preparation
    154
    
    System Requirements
    154
  - Downloading System Software
    155
- Log Collector
  157
  - Overview
    157
    
    Operation Procedure
    157
    
    Scope of Application
    157
    
    Troubleshooting
    158
7 Error Codes

160
- Overview
  160
- Error Codes
  161
- FAX Error Code
  162
  - Error Code Overview
    162
    
    Overview
    162
  - User Error Code
    162
    
    Error Code
    162
  - Service Error Code
    162
8 Service Mode

164
- Overview
  164
  - Entering Service Mode
    165
  - Exiting Service Mode
    165
  - Service Mode Menu
    165
    
    Screen Flow of Service Mode
    165
- Copier
  166
  - Display
    166
    
    CCD
    166
    
    Version
    166
  - I/O
    166
    
    R-Con
    166
  - Adjust
    166
  - Function
    167
    
    Clear
    167
    
    Misc-P
    167
    
    Misc-R
    167
    
    Param
    167
    
    System
    167
    
    Body
    168
    
    Splman
    168
  - Counter
    169
    
    Pick-Up
    169
    
    Total
    169
    
    Feeder
    171
  - Adjust
    171
  - Function
    171
- Fax
  172
  - List of SSSW
    172
  - List of MENU
    173
  - List of NUM
    174
  - Setting of NCU Parameters
    174
    
    Tone/Pulse
    174
    
    2Nd Dtn
    175
    
    Bustone0
    175
    
    Bustone1
    175
    
    Auto
    176
    
    Cngdtct
    176
    
    Multi
    176
    
    Reordrtn
    176
    
    Pbxbusyt
    177
    
    Pbxdialt
    177
    
    Rkey
    177
    
    Specialb
    177
    
    Specialn
    177
- Testmode
  178
  - System
    178
    
    Dram
    178
    
    Speaker
    178
  - Scan
    178
    
    Adftest
    178
    
    Adjust
    178
    
    Sensor
    178
  - Fax
    179
    
    Faculty
    179
    
    Modem
    179
  - Panel
    179
Appendix

180
- Service Tools
  180
- Solvent/Oil List
  180
- General Circuit Diagram
  180
- Signal Input/Output List
  180
- General Timing Chart
  180
- Backup Data
  186

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