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Canon 1000 Service Manual

Color laser copier

Also See for 1000

User manual - 278 pages
Parts list - 89 pages

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Table of Contents

7
Table of Contents
- - 6
    System Configuration
- 13
  Chapter 1 General Description
  - 13
    Features
  - 14
    Specifications
    - 14
      Type
    - 14
      Mechanisms
    - 14
      II. Specifications
    - 15
      Performance
    - 17
      Others
  - 21
    Laser and Safety Measures
    - 21
      Dhhs
    - 21
      Cdrh
    - 22
      Points to Note When Handling the Laser Unit
  - 23
    Names of Parts
    - 23
      External View
    - 23
      IV. Names of Parts
    - 25
      Cross Section
    - 27
      Control Panel
29
I. Fixing (Step 7)
- 31
  Chapter 2 Copying Process
  - 31
    Image Formation
    - 31
      Outline
    - 33
      Static Latent Image Formation Block
    - 33
      Pre-Exposure (Step 1)
    - 34
      Primary Charging (Step 2)
    - 34
      Laser Exposure (Step 3)
    - 35
      Development (Step 4)
    - 36
      Retention/Transfer (Step 5)
    - 37
      Separation (Step 6)
    - 37
      Fixing (Step 7)
      - 38
        Photosensitive Drum Cleaning
    - 39
      Auxiliary Process
      - 39
        Pre-Primary Charging
      - 39
        Pre-Fixing Charging
      - 40
        Grounding Roller
      - 40
        Static Eliminator
      - 41
        Transfer Belt Cleaning
    - 42
      Limitations
      - 42
        Outline
      - 42
        Characteristics
43
III. Limitations
- 45
  Chapter 3 OPERATION and TIMING
  - 45
    Basic Mechanisms
  - 73
    Original Exposure System
  - 80
    Image Processing System
    - 80
      Outline
      - 81
        CCD/CCD Driver
      - 82
        Analog Image Processing
      - 83
        Digital Image Processing
    - 99
      Characteristics
    - 106
      Outline
    - 106
      Laser Exposure System
      - 108
        Sequence of Operations (Laser Exposure System)
      - 109
        Laser Scanner Motor
      - 110
        Generating the BD Signal
    - 111
      Outline
      - 111
        Video Controller
      - 114
        Density Correction
    - 116
      Laser Driver
    - 118
      Image Position Correction
  - 128
    Image Formation System
    - 128
      Outline
    - 130
      Basic Sequence of Operations (Image Formation System)
    - 131
      Stabilizing Images
    - 141
      Primary Charging Assembly
    - 142
      Controlling the Primary Corona Current
    - 146
      Developing Assembly
    - 147
      Controlling the Developing Bias
    - 164
      Cleaning the Photosensitive Drum
    - 166
      Controlling the Transfer Unit Charging Mechanism
  - 171
    Pick-Up/Feeding Assembly
    - 171
      Outline
    - 174
      Pick-Up Assembly
    - 189
      Paper Deck
    - 195
      Duplexing Unit
    - 204
      Transfer Unit
      - 221
        Pre-Fixing Feeding
      - 222
        Fixing/Delivery Assembly
    - 224
      Protection Mechanisms
      - 233
        Detecting Jams
    - 236
      VII. Control Panel
- 237
  Chapter 4 MECHANICAL SYSTEM
  - 237
    Control Panel
  - 239
    VIII. Editor
    - 241
      Zero-Level Adjustment for Input Coordinates
  - 242
    Fans
  - 245
    Power Supply
    - 245
      Protection Mechanisms for the Power Supply Circuits
    - 245
      A. Power Supply
250
Table of Contents
- 255
  I. Externals and Controls
- 257
  Control Panel
  - 257
    Removing the Control Panel
- 258
  Fans
- 264
  Drive System
  - 264
    Drum Drive System
    - 264
      Removing the Drum Drive Assembly
    - 264
      II. Drive System
  - 265
    Developing Motor Assembly
  - 266
    Pick-Up Drive Assembly
    - 266
      Removing the Developing Motor
    - 266
      Outline
    - 267
      Removing the Pick-Up Drive Assembly
    - 268
      Removing the Pick-Up Motor
  - 269
    Scanner Drive Assembly
  - 272
    Fixing Drive Assembly
    - 272
      Removing the Fixing Drive Assembly/Fixing Motor
  - 273
    Waste Toner Feeding Drive Assembly
    - 273
      Removing the Waste Toner
      - 273
        Feeding Drive Assembly/Waste
      - 273
        Toner Motor
    - 274
      Removing the Waste Toner Feeding Pipe/Screw
- 275
  Pick-Up/Feeding System
  - 275
    Paper Deck
    - 275
      Removing the Paper Deck
    - 275
      Removing the Cover
    - 276
      Removing the Pick-Up Roller
    - 276
      Removing the Pick-Up/Feeding Roller
    - 278
      Removing the Separation Roller
    - 280
      Positioning the Pick-Up Roller Releasing Solenoid
    - 280
      Adjusting the Paper Surface
  - 281
    Pick-Up Assembly
  - 289
    Multifeeder Assembly
  - 291
    Duplexing Unit
    - 291
      Releasing the Lifter
      - 291
        Removing the Duplexing Unit
      - 291
        Removing the Duplexing Assembly Feeding Roller
  - 292
    Pre-Fixing Feeding Assembly
  - 292
    Pre-Duplexing Feeding Assembly
    - 292
      Removing the Pre-Fixing Feeding Assembly
    - 292
      Removing the Pre-Duplexing Feeding Assembly
  - 294
    Delivery/Reversing Assembly
    - 294
      Removing the Delivery/Reversing Assembly
    - 294
      Removing the Fixing Separation Claw
- 296
  Transfer Unit
  - 296
    1A. Removing the Transfer Blade
  - 307
    Transfer Belt Mount
  - 309
    Replacing the Separation Paper Guide Static Eliminating Wire
    - 309
      Replacing the Separation Paper
  - 310
    Exposure System
    - 310
      Original Exposure System
    - 313
      Pre-Exposure System
      - 313
        Removing the Pre-Exposure System
  - 314
    Laser System
    - 314
      Laser Unit
    - 318
      Image Position Correcting Mirror Unit
  - 324
    Hopper System
    - 326
      Hopper Assembly
  - 332
    Charging System
    - 332
      Primary Charging Assembly
      - 332
        Outline
      - 332
        Removing the Primary Charging Assembly
      - 332
        Removing the Grid Plate
      - 332
        Removing the Primary Charging Assembly Cleaning Pad
  - 333
    Separation/Pre-Fixing Assembly
    - 333
      Removing the Separation/Pre-Fixing Assembly
    - 333
      Routing the Gut Wire
- 334
  Process Unit System
  - 334
    Process Unit
  - 339
    Cleaning Assembly
  - 341
    Developing Assembly
    - 341
      Removing the Cleaner End Seal
    - 341
      Removing the Cleaning Assembly Scope-Up Sheet
    - 341
      Cleaning the Developing
      - 341
        Assembly Upper Cover
      - 342
        Replacing the Color Toner Density
  - 344
    Photosensitive Drum
  - 345
    SALT Sensor
  - 347
    No. 2 Scoop-Up Sheet
    - 347
      Removing the No. 2 Scoop-Up Sheet
- 348
  Fixing System
  - 348
    Fixing Assembly
    - 348
      Removing the Fixing Assembly
    - 349
      Opening the Upper Fixing Roller Unit
    - 350
      Removing the Upper Fixing Heater
    - 351
      Removing the Lower Fixing Heater
    - 351
      Removing the Upper Fixing Roller
    - 352
      Removing the Lower Fixing Roller
    - 352
      Removing the Fixing Thermistor
      - 352
        (Upper) Method 1
      - 353
        Removing the Fixing Thermistor
        
        353
        (Upper) Method 2
      - 353
        Removing the Fixing Thermistor (Lower)
      - 354
        Removing the Fixing Thermal Switch (Upper)
      - 355
        Removing the Fixing Thermal Switch (Lower)
      - 355
        Removing the Oil Filter
      - 355
        Removing the Oil Bottle
  - 356
    Upper Fixing Cleaner Assembly
    - 356
      Removing the Upper Fixing Web
  - 357
    Fixing Lower Cleaning Assembly
  - 359
    Fixing Oil Application Unit
- 361
  Electrical System
  - 361
    Removing the DC Controller PCB
    - 361
      Removing the AC Driver
    - 361
      Removing the Lamp Regulator
  - 363
    Removing the DC Power Supply PCB
  - 364
    Removing the Environment Sensor PCB
  - 364
    Removing the Reader Controller
  - 365
    Removing the ECO Board
  - 365
    Removing the Analog Processor
  - 366
    Removing the Image Processor PCB and the Memory PCB
  - 367
    Removing the Video Controller PCB
  - 367
    Removing the Polygon Motor Driver
  - 368
    Removing the Potential Sensor Unit
  - 369
    Removing the Image Position
  - 370
    Cleaning the Shutter
  - 370
    Cleaning the LED
  - 371
    Removing the Transfer High-Voltage Transformer

COLOR LASER

COPIER

1000/1000S/3100

REVSION 2

MAY 2001

COPYRIGHT © 2001 CANON INC.

FY8-13E3-020

CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)

Table of Contents

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Chapters

Table of Contents

7
Table of Contents
- - 6
    System Configuration
- 13
  Chapter 1 General Description
  - 13
    Features
  - 14
    Specifications
    - 14
      Type
    - 14
      Mechanisms
    - 14
      II. Specifications
    - 15
      Performance
    - 17
      Others
  - 21
    Laser and Safety Measures
    - 21
      Dhhs
    - 21
      Cdrh
    - 22
      Points to Note When Handling the Laser Unit
  - 23
    Names of Parts
    - 23
      External View
    - 23
      IV. Names of Parts
    - 25
      Cross Section
    - 27
      Control Panel
29
I. Fixing (Step 7)
- 31
  Chapter 2 Copying Process
  - 31
    Image Formation
    - 31
      Outline
    - 33
      Static Latent Image Formation Block
    - 33
      Pre-Exposure (Step 1)
    - 34
      Primary Charging (Step 2)
    - 34
      Laser Exposure (Step 3)
    - 35
      Development (Step 4)
    - 36
      Retention/Transfer (Step 5)
    - 37
      Separation (Step 6)
    - 37
      Fixing (Step 7)
      - 38
        Photosensitive Drum Cleaning
    - 39
      Auxiliary Process
      - 39
        Pre-Primary Charging
      - 39
        Pre-Fixing Charging
      - 40
        Grounding Roller
      - 40
        Static Eliminator
      - 41
        Transfer Belt Cleaning
    - 42
      Limitations
      - 42
        Outline
      - 42
        Characteristics
43
III. Limitations
- 45
  Chapter 3 OPERATION and TIMING
  - 45
    Basic Mechanisms
  - 73
    Original Exposure System
  - 80
    Image Processing System
    - 80
      Outline
      - 81
        CCD/CCD Driver
      - 82
        Analog Image Processing
      - 83
        Digital Image Processing
    - 99
      Characteristics
    - 106
      Outline
    - 106
      Laser Exposure System
      - 108
        Sequence of Operations (Laser Exposure System)
      - 109
        Laser Scanner Motor
      - 110
        Generating the BD Signal
    - 111
      Outline
      - 111
        Video Controller
      - 114
        Density Correction
    - 116
      Laser Driver
    - 118
      Image Position Correction
  - 128
    Image Formation System
    - 128
      Outline
    - 130
      Basic Sequence of Operations (Image Formation System)
    - 131
      Stabilizing Images
    - 141
      Primary Charging Assembly
    - 142
      Controlling the Primary Corona Current
    - 146
      Developing Assembly
    - 147
      Controlling the Developing Bias
    - 164
      Cleaning the Photosensitive Drum
    - 166
      Controlling the Transfer Unit Charging Mechanism
  - 171
    Pick-Up/Feeding Assembly
    - 171
      Outline
    - 174
      Pick-Up Assembly
    - 189
      Paper Deck
    - 195
      Duplexing Unit
    - 204
      Transfer Unit
      - 221
        Pre-Fixing Feeding
      - 222
        Fixing/Delivery Assembly
    - 224
      Protection Mechanisms
      - 233
        Detecting Jams
    - 236
      VII. Control Panel
- 237
  Chapter 4 MECHANICAL SYSTEM
  - 237
    Control Panel
  - 239
    VIII. Editor
    - 241
      Zero-Level Adjustment for Input Coordinates
  - 242
    Fans
  - 245
    Power Supply
    - 245
      Protection Mechanisms for the Power Supply Circuits
    - 245
      A. Power Supply
250
Table of Contents
- 255
  I. Externals and Controls
- 257
  Control Panel
  - 257
    Removing the Control Panel
- 258
  Fans
- 264
  Drive System
  - 264
    Drum Drive System
    - 264
      Removing the Drum Drive Assembly
    - 264
      II. Drive System
  - 265
    Developing Motor Assembly
  - 266
    Pick-Up Drive Assembly
    - 266
      Removing the Developing Motor
    - 266
      Outline
    - 267
      Removing the Pick-Up Drive Assembly
    - 268
      Removing the Pick-Up Motor
  - 269
    Scanner Drive Assembly
  - 272
    Fixing Drive Assembly
    - 272
      Removing the Fixing Drive Assembly/Fixing Motor
  - 273
    Waste Toner Feeding Drive Assembly
    - 273
      Removing the Waste Toner
      - 273
        Feeding Drive Assembly/Waste
      - 273
        Toner Motor
    - 274
      Removing the Waste Toner Feeding Pipe/Screw
- 275
  Pick-Up/Feeding System
  - 275
    Paper Deck
    - 275
      Removing the Paper Deck
    - 275
      Removing the Cover
    - 276
      Removing the Pick-Up Roller
    - 276
      Removing the Pick-Up/Feeding Roller
    - 278
      Removing the Separation Roller
    - 280
      Positioning the Pick-Up Roller Releasing Solenoid
    - 280
      Adjusting the Paper Surface
  - 281
    Pick-Up Assembly
  - 289
    Multifeeder Assembly
  - 291
    Duplexing Unit
    - 291
      Releasing the Lifter
      - 291
        Removing the Duplexing Unit
      - 291
        Removing the Duplexing Assembly Feeding Roller
  - 292
    Pre-Fixing Feeding Assembly
  - 292
    Pre-Duplexing Feeding Assembly
    - 292
      Removing the Pre-Fixing Feeding Assembly
    - 292
      Removing the Pre-Duplexing Feeding Assembly
  - 294
    Delivery/Reversing Assembly
    - 294
      Removing the Delivery/Reversing Assembly
    - 294
      Removing the Fixing Separation Claw
- 296
  Transfer Unit
  - 296
    1A. Removing the Transfer Blade
  - 307
    Transfer Belt Mount
  - 309
    Replacing the Separation Paper Guide Static Eliminating Wire
    - 309
      Replacing the Separation Paper
  - 310
    Exposure System
    - 310
      Original Exposure System
    - 313
      Pre-Exposure System
      - 313
        Removing the Pre-Exposure System
  - 314
    Laser System
    - 314
      Laser Unit
    - 318
      Image Position Correcting Mirror Unit
  - 324
    Hopper System
    - 326
      Hopper Assembly
  - 332
    Charging System
    - 332
      Primary Charging Assembly
      - 332
        Outline
      - 332
        Removing the Primary Charging Assembly
      - 332
        Removing the Grid Plate
      - 332
        Removing the Primary Charging Assembly Cleaning Pad
  - 333
    Separation/Pre-Fixing Assembly
    - 333
      Removing the Separation/Pre-Fixing Assembly
    - 333
      Routing the Gut Wire
- 334
  Process Unit System
  - 334
    Process Unit
  - 339
    Cleaning Assembly
  - 341
    Developing Assembly
    - 341
      Removing the Cleaner End Seal
    - 341
      Removing the Cleaning Assembly Scope-Up Sheet
    - 341
      Cleaning the Developing
      - 341
        Assembly Upper Cover
      - 342
        Replacing the Color Toner Density
  - 344
    Photosensitive Drum
  - 345
    SALT Sensor
  - 347
    No. 2 Scoop-Up Sheet
    - 347
      Removing the No. 2 Scoop-Up Sheet
- 348
  Fixing System
  - 348
    Fixing Assembly
    - 348
      Removing the Fixing Assembly
    - 349
      Opening the Upper Fixing Roller Unit
    - 350
      Removing the Upper Fixing Heater
    - 351
      Removing the Lower Fixing Heater
    - 351
      Removing the Upper Fixing Roller
    - 352
      Removing the Lower Fixing Roller
    - 352
      Removing the Fixing Thermistor
      - 352
        (Upper) Method 1
      - 353
        Removing the Fixing Thermistor
        
        353
        (Upper) Method 2
      - 353
        Removing the Fixing Thermistor (Lower)
      - 354
        Removing the Fixing Thermal Switch (Upper)
      - 355
        Removing the Fixing Thermal Switch (Lower)
      - 355
        Removing the Oil Filter
      - 355
        Removing the Oil Bottle
  - 356
    Upper Fixing Cleaner Assembly
    - 356
      Removing the Upper Fixing Web
  - 357
    Fixing Lower Cleaning Assembly
  - 359
    Fixing Oil Application Unit
- 361
  Electrical System
  - 361
    Removing the DC Controller PCB
    - 361
      Removing the AC Driver
    - 361
      Removing the Lamp Regulator
  - 363
    Removing the DC Power Supply PCB
  - 364
    Removing the Environment Sensor PCB
  - 364
    Removing the Reader Controller
  - 365
    Removing the ECO Board
  - 365
    Removing the Analog Processor
  - 366
    Removing the Image Processor PCB and the Memory PCB
  - 367
    Removing the Video Controller PCB
  - 367
    Removing the Polygon Motor Driver
  - 368
    Removing the Potential Sensor Unit
  - 369
    Removing the Image Position
  - 370
    Cleaning the Shutter
  - 370
    Cleaning the LED
  - 371
    Removing the Transfer High-Voltage Transformer

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Summary of Contents for Canon 1000

Page 1 COLOR LASER COPIER 1000/1000S/3100 REVSION 2 FY8-13E3-020 MAY 2001 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 2 IMPORTANT THE INFORMATION CONTAINED HEREIN IS PUBLISHED BY CANON, INC., JAPAN, AND IS FOR REFERENCE USE ONLY. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY.
Page 3 INTRODUCTION This Service Manual provides basic facts and figures needed to service the plain-paper Color Laser Copier 1000/1000S/3100 in the field. The Color Laser Copier 1000/1000S/3100 may be configured with the following system devices: Preview Monitor/Preview Monitor Board RDF-E1 Editor F1...
Page 4 All service persons are expected to be thoroughly familiar with the contents of this Service Manual, the Service Handbook, and Service Information bulletins and be ready to respond to the needs of the user promptly. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 5 All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins and be able to identify and isolate faults in the machine. COPYRIGHT © 2001 CANON INC. CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 6: System Configuration
[10] PS-IPU III [11] IPU II [12] Film Scanner III [13] Copy Data Controller A1 (not available in some areas) [14] ED Board A1 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 7: Table Of Contents
G. Image Position Correction ....3-74 Scanning Lamp ....... 3-34 IMAGE FORMATION SYSTEM ..... 3-84 III. IMAGE PROCESSING SYSTEM ..3-36 A. Outline ..........3-84 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 8 C. Fixing Lower Cleaning Assembly .. 4-103 C. Replacing the Separation Paper Fixing Oil Application Unit ..... 4-105 Guide Static Eliminating Wire ..4-55 ELECTRICAL SYSTEM ....... 4-107 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 9 Electrical ADJUSTMENT ....7-42 E. Fans ..........7-164 III. TROUBLESHOOTING IMAGE Motors ........... 7-166 PROBLEMS ........... 7-52 G. PCBs ..........7-168 A. Initial Checks ........7-52 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 10 GENERAL CIRCUIT DIAGRAM ... A-11 HVT CIRCUIT DIAGRAM ..... A-70 DC CONTROLLER CIRCUIT SPECIAL TOOLS ........A-82 DIAGRAM ..........A-15 SOLVENTS AND OILS ......A-84 viii COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 11 D. Others ..........1-5 B. Cross Section ........1-13 III. LASER AND SAFETY MEASURES ..1-9 C. Control Panel ........1-15 A. DHHS ..........1-9 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 13: Chapter 1 General Description
Board A1 provides such complex creative functions as framing, gradation, and freehand. Full line-up of options. A large number of options are designed for the CLC1000, including the Preview Monitor, RDF, and IPU-II. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 14: Specifications
Static retention (concurrent with Y transfer) Transfer Blade (transfer belt) Separation Static Drum Cleaning Blade Fixing Heat roller (700 W, upper; 500 W, lower) Table 1-202 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)