Canon 1140 Manuals

Manuals and User Guides for Canon 1140. We have 1 Canon 1140 manual available for free PDF download: Service Manual

Canon 1140 Service Manual (965 pages)

COLOR LASER COPIER

Brand: Canon | Category: Copier | Size: 17.32 MB

- 1
  Service Information
- 11
  Table of Contents
- 25
  General Description
27
Chapter 1 GENERAL DESCRIPTION
- 27
  Features
- 28
  Specifications
  - 28
    Type
  - 28
    System
  - 29
    Functions
  - 31
    Others
  - 32
    Default Ratios
  - 34
    Copying Speed
  - 35
    CLC Paper Deck-E1
- 36
  Names of Parts
  - 36
    External View
  - 38
    Cross Section
- 41
  Using the Copier
  - 41
    Control Panel
  - 42
    Extended Functions
  - 43
    User Mode
  - 45
    Daily Maintenance By the User
  - 46
    Safety
  - 46
    Safety of Laser Light
  - 47
    CDRH Regulations
  - 48
    Handling the Laser Assembly
  - 50
    Safety of Toner
  - 51
    Image Formation
  - 51
    Outline
  - 53
    Auxiliary Process
  - 54
    Basic Operation
56
Chapter 2 Basic Operation
- 56
  Outline of Operations
  - 56
    Functional Construction
  - 57
    Electrical Circuitry
    - 57
      Outline
    - 57
      Cpu Pcb
    - 57
      Control Panel
- 59
  Basic Sequence of Operations
- 65
  Controlling Electrical Mechanisms
  - 65
    Controlling the Main Motor (M4)
    - 65
      Outline
  - 67
    Controlling the Drum Motor (M2)
    - 67
      Outline
  - 69
    Inputs to and Outputs From the Major PCBs
104
Chapter 3 Exposure System
- 104
  Operation
  - 104
    Outline
  - 105
    Basic Sequence of Operations
    - 105
      Sequence of Operations
    - 106
      Scanner Home Position Sensor and Operation
- 107
  Scanner Drive System
  - 107
    Controlling the Scanner Motor
    - 107
      Outline
    - 108
      Operations
  - 108
    Changing the Reproduction Ratio
- 109
  Controlling the Intensity of the Scanning Lamp
  - 109
    Outline
  - 110
    Operations
- 111
  IV. Disassembly/assembly
  - 112
    Original Exposure System
  - 113
    Removing the Standard White Plate
  - 114
    Scanner Drive Assembly
122
Chapter 4 Image Processing System
- 122
  Outline
- 123
  CCD/CCD Drive
  - 123
    Controlling the CCD
  - 123
    CCD Driver Circuit
- 124
  Analog Image Processing
- 125
  Digital Image Processing
  - 125
    Outline
  - 127
    Shading Correction
  - 128
    3-Line CCD Position Matching Circuit
  - 128
    Sensor Color Correction Circuit
  - 129
    Original Position Detection Circuit
  - 130
    Black Detection Circuit and Edge/Line Width Detection Circuit
  - 131
    Chromatic Space Correction Circuit
  - 131
    Direct Mapping Circuit
  - 132
    Logarithmic Correction and BGR-to-YMC Conversion
    - 132
      Logarithmic Correction
    - 132
      BGR-to-YMC Conversion4-11
  - 133
    Toner Color Correction Circuit
  - 133
    Coloring/Contour Processing
  - 134
    Density Processing
  - 134
    Enlargement/Reduction, Shift, and Edit Processing
  - 135
    Sharpness/Filter Processing
  - 135
    Anti-Counterfeit Mechanism
    - 135
      Counterfeit Tracing Mechanism
    - 135
      Bank Note Detection Mechanism
  - 136
    CMYBk/RGB Integration
  - 136
    Texture Processing
  - 136
    Color Conversion
- 137
  Disassembly/assembly
  - 138
    Electrical Parts
  - 142
    Laser Exposure System
144
Chapter 5 Laser Exposure System
- 144
  Operations
  - 144
    Functions
  - 145
    Sequence of Operations (Laser Exposure System)
- 146
  Generating the Bd Signal
- 147
  Laser Driver Circuit
  - 147
    Controlling the Laser System
  - 148
    Controlling the Temperature of the Laser Unit
- 149
  Laser Scanner Motor
  - 150
    Disassembly/assembly
- 158
  Controlling the Primary Charging Mechanism and
160
Chapter 6 Image Formation System
- 160
  Image Formation System
  - 160
    Outline
  - 162
    Controlling the C Sensor
  - 166
    Sequence of Operations (Image Formation System)
- 167
  Image Stabilization
  - 167
    Outline
  - 169
    Controlling the Surface Potential of the Drum
    - 169
      Outline
      - 170
        Potential of the Drum
    - 170
      Measuring the Dark Area Potential Attenuation
    - 170
      Controlling the Environment
      - 170
        Contrast Potential
    - 171
      Setting the Grid Bias and the Developing Bias
    - 175
      Potential Control Timing)
    - 176
      Controlling the Charging Mechanism
- 177
  Controlling the Developing Bias
  - 177
    Operation
  - 178
    When Controlling the M Developing Bias
  - 179
    Controlling the Attraction Charging Mechanism and Transfer Charging Current
    - 179
      Operations
  - 180
    Controlling the Separation Charging Current
    - 180
      Operation
  - 182
    Controlling the External/Internal Static Eliminating Current
    - 182
      Operation
  - 183
    Controlling the Post-Cleaning Charging Current
    - 183
      Operations
  - 184
    Controlling the Temperature of the Photosensitive Drum
    - 184
      Control
    - 184
      Controlling the Power Using the Environment Switch SW6
  - 186
    Controlling the Primary Charging Wire Cleaning Mechanism
    - 186
      Operations
    - 186
      Conditions for Operation
- 187
  Developing Assemblies
  - 187
    Outline
  - 187
    IV. Developing Assemblies
  - 188
    Locking the Developing Assembly
  - 190
    Controlling the Concentration of Color Toner
    - 190
      Outline
    - 191
      Measuring the Concentration of Color Toner On the Developing Cylinder Assembly
      - 192
        Toner Concentration
      - 192
        Drum
      - 192
        Of the Photosensitive Drum
    - 193
      Sequence of Measurement
  - 194
    Controlling the Concentration of Black Toner
  - 206
    New Gradation Correction Control (Patch Detection; CLC1140/ 1160/1180)
  - 212
    Supplying Toner
- 213
  Photosensitive Drum Cleaner Assembly
- 216
  Disassembly/assembly
  - 217
    Photosensitive Drum Assembly
    - 217
      Construction
    - 217
      Removing the Photosensitive Drum
    - 222
      When Replacing the Photosensitive Drum
    - 223
      Cleaning the Photosensitive Drum
    - 224
      Removing the Drum Heater
    - 225
      Removing the Drum Heater Brush
  - 225
    Pre-Exposure Lamp
    - 225
      Removing the Pre-Exposure Lamp Unit
  - 226
    Charging Assembly
    - 226
      Outline
    - 226
      Removing the Primary Charging Assembly
    - 226
      Removing the Grid Plate
    - 226
      Assembly
  - 228
    Removing the Post-Cleaning
    - 228
      Charging Assembly
  - 228
    Adjusting the Height of the Charging Wire
- 229
  Developing Assemblies
- 240
  Hoppe Assembly
  - 240
    Opening the Hopper
  - 240
    Removing the Hopper Unit
  - 241
    Removing the Hopper Motor
  - 242
    Removing the Toner Supply Clutch
- 244
  Photosensitive Drum Cleaner Assembly
  - 244
    Removing the Photosensitive Drum Cleaner Unit
  - 248
    Replacing the
    - 248
      Sheet
    - 248
      Removing the
    - 249
      Assembly No. 2 Scoop-Up
    - 249
      Sheet Assembly
    - 249
      Replacing the No. 2 Scoop-Up Sheet Assembly
    - 249
      Points to Note When Handling the Pre-Cleaning Sensor Assembly
    - 249
      Pre-Cleaning Sensor Assembly No. 2 Scoop-Up Sheet Assembly
  - 250
    Black Toner Concentration Sensor Assembly
  - 254
    Cleaner Blade Reciprocating Motor
    - 254
      6-82A
    - 254
      Removing the Reciprocating Motor
      - 254
        Assembly
  - 254
    Waste Toner Feeding Assembly
    - 254
      Removing the Waste Toner
  - 257
    Developing Drive Assembly
    - 257
      Removing the Developing Drive Assembly and the Developing Assembly Rail
    - 257
      Developing Drive
    - 259
      Assembly
    - 264
      Outline
268
Chapter 7 PICK-UP / FEEDING SYSTEM
- 268
  Pickup Assembly
  - 268
    Pickup From the Cassette
    - 268
      Outline
  - 272
    Lifter Movement
    - 272
      Outline
    - 273
      Detecting the Presence/Absence of Paper
    - 273
      Detecting the Level of Paper
  - 274
    Detecting the Paper Size Inside the Cassette
    - 274
      Fixed-Size Type Cassette
    - 274
      Universal Type Cassette
    - 275
      Paper Sizes and Cassettes
    - 276
      Paper Width Basic Value
    - 277
      Sequence of Operations (Pickup From the Cassette)
  - 278
    Pickup From the Multifeeder
    - 278
      Operations
    - 279
      Detecting the Size of Paper
    - 280
      Movement of the Lifter
    - 281
      Sequence of Operations
  - 282
    Picking Up Transparencies
- 284
  Duplexing Unit (clc1150/1180 Only)
  - 284
    Outline
    - 284
      Basic Construction
    - 286
      Arrangement of Rollers and Sensors
  - 287
    Stacking Paper
  - 288
    Movement of the Paper Jogging Guide Plate
    - 288
      Operations
  - 290
    Sequence of Operations (1St Side of a Double-sided Copy)
  - 291
    Re-Pickup From the Duplexing Unit
    - 291
      Operations
    - 292
      Sequence of Operations
- 293
  Controlling the Registration/attraction Mechanism
- 297
  Transfer Drum
  - 297
    Outline
  - 299
    Controlling the Locking Cam Inside the Transfer Drum
  - 302
    Controlling Separation
    - 302
      Outline
    - 303
      Separating Paper
  - 304
    Cleaning the Separation Drum Sheet
    - 304
      Outline
    - 305
      External Brush
    - 305
      Polishing Roller
  - 307
    Sequence of Operations (Transfer Drum)
- 308
  Detecting Jams
  - 308
    Outline
  - 310
    Sequence of Operations (Jam Detection)
- 311
  Disassembly/assembly (pick-up Assembly)
  - 312
    Pickup Assembly
  - 323
    Multifeeder
  - 327
    Duplexing Unit
    - 327
      Removing the Duplexing
    - 327
      Removing the Feed Roller
    - 328
      Remove the Duplexing
    - 331
      Adjusting the Left/Right
      - 331
        Registration of the
    - 332
      Adjusting the Position of the
      - 332
        Jogging Guide Plate
    - 333
      Position of the Stopper Plate Solenoid
    - 333
      Position of the Duplexing Paper Feed Roller Solenoid
    - 334
      Position of the Stacking Guide Solenoid
  - 335
    Pickup Motor Drive Assembly
    - 335
      Removing the Cassette
      - 335
        Pickup Drive Assembly/Re
      - 335
        Pickup Drive Assembly
    - 335
      Removing the Duplexing Motor
- 336
  Disassembly/assembly
- 349
  Transfer Cleaner Unit
  - 349
    Removing the Transfer Cleaner Unit
  - 349
    Removing the Transfer Cleaner Brush
  - 349
    Removing the Scraper
  - 350
    Removing the Transfer
    - 350
      Drum Cleaner Assembly
    - 350
      Filter
  - 350
    Applying Lubricant to the Transfer Drum Cleaner
- 351
  Transfer Drum Assembly
  - 351
    Construction
  - 352
    Removing the Transfer Drum Sheet
  - 353
    Attaching the Transfer Drum Sheet
  - 358
    Removing the Attraction Brush
  - 358
    Remove the Transfer Blade
  - 358
    Removing the External Static Eliminator
  - 359
    Removing the Internal Static Eliminator
  - 359
    Removing the Separation Changing Assembly
  - 359
    Removing the Polishing Roller
  - 360
    Removing the Polishing Roller Unit
  - 362
    Removing the Separation Push-Up Solenoid
  - 363
    Remove the Brush
  - 364
    Removing the Transfer Cleaner Push-On Brush Unit
  - 365
    Removing the Separation Push-Up Roll
  - 365
    Transfer Drum Locking Motor Assembly (PM5)
  - 365
    Transfer Drum Cleaner Locking
  - 365
    Motor Assembly (PM6)
  - 366
    Transfer Drum Cleaner Locking Motor Assembly (PM6)
    - 366
      Removing the Transfer Drum Cleaner Locking Motor Assembly
  - 366
    Delivery Assembly
    - 366
      Removing the Delivery Assembly
    - 367
      Duplexing Delivery Assembly (CLC1150/1180 Only)
    - 368
      Fixing System
370
Chapter 8 Fixing System
- 370
  Operations
  - 370
    Outline
  - 372
    Sequence of Operations (Fixing System)
- 373
  Fixing Drive System
- 378
  Controlling the Fixing Temperature
  - 378
    Controlling the Temperature of the Fixing Roller
  - 380
    Protective Functions
- 382
  Disassembly/assembly
- 390
  Fixing Cleaner Assembly
- 394
  Oil Applying Assembly/Removing Assembly
  - 394
    Removing the Oil Applying Felt
  - 395
    Removing the Oil Fixing Blade
- 395
  Internal Delivery Assembly
  - 395
    Removing the Fixing Separation Claw
- 396
  Drive Assembly
400
Chapter 9 Externals / Auxiliary Mechanisms
- 400
  Control Panel
  - 400
    Outline
- 401
  Downloading
  - 401
    Outline
  - 405
    Registering Firmware
  - 408
    Making Connections
  - 411
    Downloading the Firmware
  - 413
    Uploading Backup Data
  - 415
    Downloading Backup Data
  - 417
    Work at the End of a Job
- 418
  Counters
  - 418
    Outline
- 419
  Fans
  - 419
    Outline
  - 421
    Operations
    - 421
      Speed Rotation Control
    - 421
      Sequence of Operations
- 422
  Power Supply
  - 422
    Supplying Power
    - 422
      Outline
    - 423
      Distribution of Power Among Switches
  - 425
    Rated Outputs of the DC Power Supply PCB
  - 426
    Protection System
  - 428
    Backup Battery
- 429
  Editor
  - 429
    Outline
  - 429
    Operations
  - 431
    Zero-Adjustment of Input Coordinates
- 432
  Disassembly/assembly
  - 433
    Right Upper Cover
  - 433
    Covers
  - 433
    External Covers
  - 434
    Left Inside Cover
  - 434
    Transfer Drum Frame
  - 434
    Fixing Assembly Cover
  - 435
    Transfer Drum Frame Right Cover
  - 435
    Removing the Copyboard Glass
  - 436
    Removing the Upper Cover
- 437
  Control Panel
  - 437
    Removing the Control Panel
  - 437
    Removing the Control Panel PCB
  - 437
    Removing the LCD PCB
  - 438
    Removing the Numeric Keypad PCB
- 439
  Editor
  - 439
    Removing the Editor Controller PCB
  - 440
    Removing the Editor Mirror
- 441
  Flywheel
  - 441
    Removing the Flywheel
  - 441
    Points to Note When Handling the Flywheel
  - 442
    Outline
- 443
  Drive System Belt Layout
- 443
  Drum Motor Assembly
  - 443
    Removing the Drum Motor (M2)
  - 445
    Mounting the Drum
- 447
  Main Motor (M4) Drive Assembly
  - 447
    Assembly
  - 447
    Removing the Main Motor (M4)
- 448
  Cpu Pcb
  - 448
    Removing the CPU PCB
  - 448
    Replacing the CPU PCB
  - 448
    Replacing the Flash Memory On the CPU
    - 450
      Pcb
- 450
  Hvt Pcb
  - 450
    Removing the HVT PCB
- 450
  Developing Bias PCB
  - 450
    Removing the Developing Bias PCB
452
Chapter 10 Paper Deck
- 452
  Paper Deck
  - 452
    Inputs to and Outputs
    - 452
      From the Deck Driver
  - 457
    Pickup
    - 457
      Outline
    - 457
      Pickup Operations
    - 459
      Sequence of Operations
  - 460
    Detecting Paper in the Deck
  - 462
    Deck Lifter
    - 462
      Lifter Movement
    - 464
      Paper Level Indicator On the Deck
  - 465
    Opening/Closing the Deck
    - 465
      Deck Opening/Closing Movement
    - 466
      Sequence of Operations
  - 467
    Controlling the Deck Motors
    - 467
      Controlling the Deck Pickup Motor (PM101)
    - 468
      Controlling the Deck Lifter Motor (M101)
- 470
  Detecting Jams
  - 470
    Outline
- 472
  Disassembly/assembly
  - 473
    External Covers
    - 473
      Removing the
    - 475
      Removing the Rear
    - 475
      Removing the Right Cover
    - 475
      Removing the Upper Cover
  - 476
    Paper Deck - Related Work
  - 476
    Removing the Deck From the Copier
  - 478
    Removing the Compartment
  - 479
    Changing the Deck Paper Size
  - 480
    Adjusting the Deck Registration
  - 480
    Adjusting the Position of the Roll
- 481
  Drive System
  - 481
    Removing the Deck Pickup Clutch (CL102)
    - 481
      Motor Assembly
  - 482
    Removing the Deck Lifter
  - 483
    Removing the Lifter Cable
  - 486
    Routing the Lifter Cable
- 487
  Feeding System
  - 487
    Removing the Deck Pickup Unit
  - 487
    Removing the Deck Pickup Roller
  - 488
    Orientation of the Deck Pickup Roller
  - 489
    Removing the Deck Separation Roller
    - 490
      Separation Roller
  - 491
    Position of the Deck Pickup
    - 491
      Solenoid (SL101)
- 491
  Electrical System
  - 491
    Removing the Deck Driver PCB
  - 492
    Removing the Deck Open Switch PCB
494
Chapter 11 INSTALLATION
- 494
  Selecting the Site
- 494
  Installation
  - 494
    Removing the Fixing Materials
    - 494
      And Mounting the Waste Toner
    - 494
      Collection Case
  - 494
    Mounting the Drum Cleaner
  - 499
    A. Unpacking
  - 504
    C. Supplying Fixing Oil
    - 511
      Switch
  - 512
    Supplying Toner
  - 516
    Supplying the Starter
    - 516
      Developer
  - 520
    Checking the Images and Operations
  - 522
    Changing the Cassette
    - 522
      Paper Size
- 525
  Relocating the Copier
  - 530
    Setting the Board
  - 533
    Removing From the Copier
  - 533
    Checking Operations
- 534
  Installing the Remote Diagnostic Device
  - 534
    Installing to the Copier
- 543
  Installing the Cassette Heater
548
Chapter 12 Maintenance and Servicing
- 548
  Periodically Replaced Parts
- 548
  Consumables and Durables
- 548
  Scheduled Servicing
  - 548
    Chart
  - 551
    Copier
  - 553
    Paper Deck
- 558
  Scheduled Servicing List
  - 558
    Copier
  - 560
    Chapter 12 Maintenance and Servicing
  - 561
    Paper Deck
562
Chapter 13 Troubleshooting
- 579
  Exposure System
- 580
  Image Formation System
- 587
  Pickup/Feeding System
- 597
  Fixing System
- 600
  Externals/Controls
- 601
  Paper Deck
- 605
  Electrical System
- 620
  Troubleshooting Faulty Images
  - 620
    Making Initial Checks
  - 620
    Environment of the Site
  - 620
    Checking the Originals against Symptoms
  - 620
    Checking the Copyboard Cover, Copyboard Glass, and Standard White Plate
  - 620
    Checking the Charging Assemblies
  - 621
    Checking the Paper
  - 621
    Checking Periodically Replaced Parts
  - 621
    Others
- 622
  Standard Images
- 625
  Test Print
- 639
  Troubleshooting Image Problems
  - 656
    The Copy Has a Fixing Fault
  - 658
    The Copy Is Blank
  - 659
    The Copy Is Solid Black
  - 669
    Cpu Pcb
    - 672
      Pcb
    - 677
      Pcb
    - 701
      DC Fuse PCB
      - 713
        Ac Power Is Absent
      - 714
        DC Power Is Absent
      - 717
        The Scanning Lamp Fails to Turn On
      - 724
        The Registration Roller Fails to Rotate
      - 728
        The Fixing Heater Fails to Turn On
      - 730
        The Drum Heater Fails to Operate
      - 743
        Double Feeding
      - 743
        B. Feeding Faults
      - 744
        A. Sensors
- 753
  E. Fans
  - 758
    H. Paper Deck
  - 758
    Sensors and Switches
  - 760
    Check Pins By Pcb
  - 764
    AC Fuse PCB
  - 764
    Developing Bias PCB
  - 765
    Hvt-ac Pcb
  - 765
    Potential Measurement PCB
- 766
  Service Mode
  - 766
    Outline
    - 766
      VII. Service Mode
    - 767
      Starting Service Mode and Making Selections
    - 802
      C. I/o (I/o Display Mode)
    - 894
      F. Option (Settings Mode)
    - 910
      G. Pg (Test Print)
    - 918
      VIII. Self Diagnosis
    - 941
      B. Rdf
    - 942
      C. Sorter
    - 965
      Recycled Paper

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Canon 1140 Manuals

Manuals and User Guides for Canon 1140. We have 1 Canon 1140 manual available for free PDF download: Service Manual

Canon 1140 Service Manual (965 pages)

Table of Contents

27 Chapter 1 GENERAL DESCRIPTION

56 Chapter 2 Basic Operation

104 Chapter 3 Exposure System

122 Chapter 4 Image Processing System

144 Chapter 5 Laser Exposure System

160 Chapter 6 Image Formation System

268 Chapter 7 PICK-UP / FEEDING SYSTEM

370 Chapter 8 Fixing System

400 Chapter 9 Externals / Auxiliary Mechanisms

452 Chapter 10 Paper Deck

494 Chapter 11 INSTALLATION

548 Chapter 12 Maintenance and Servicing

562 Chapter 13 Troubleshooting

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27
Chapter 1 GENERAL DESCRIPTION

56
Chapter 2 Basic Operation

104
Chapter 3 Exposure System

122
Chapter 4 Image Processing System

144
Chapter 5 Laser Exposure System

160
Chapter 6 Image Formation System

268
Chapter 7 PICK-UP / FEEDING SYSTEM

370
Chapter 8 Fixing System

400
Chapter 9 Externals / Auxiliary Mechanisms

452
Chapter 10 Paper Deck

494
Chapter 11 INSTALLATION

548
Chapter 12 Maintenance and Servicing

562
Chapter 13 Troubleshooting