Canon NP6260 Manuals

Canon NP6260 Manuals

Manuals and User Guides for Canon NP6260. We have 1 Canon NP6260 manual available for free PDF download: Service Manual

Canon NP6260 Service Manual

Canon NP6260 Service Manual (794 pages)

Brand: Canon | Category: Printer | Size: 8.32 MB

Table of Contents

Table of Contents

7
- Chapter 1 General Description
  
  21
  - Features
    21
  - Specifications
    22
    
    Copier
    22
    
    II. Specifications
    22
    
    Mechanisms
    22
    
    Type
    22
    
    Performance
    23
    
    Others
    26
    
    Paper Deck-A1
    29
  - Names of Parts
    30
    
    External View
    30
    
    III. Names of Parts
    30
    
    Copier
    32
    
    Cross Section
    32
  - Operating the Machine
    33
    
    Control Panel
    33
    
    Extended Modes
    34
    
    Types of User Modes
    35
    
    User Mode
    35
  - Points to Note (by the User)
    39
  - Routine Maintenance by the User
    39
  - Image Formation
    40
    
    Outline
    40
Chapter 2 Basic Operation

43
- Basic Operation
  43
- Basic Mechanisms
  45
Chapter 3 Exposure System

77
- Outline of Operation
  79
  - Varying the Reproduction Ratio
    79
    
    Outline of the Movement
    80
  - Lens Drive System
    80
    
    Movement of the Lens
    80
    
    Lens Motor Control Circuit
    81
    
    Moving the Lens
    81
    
    Moving the Lens
    82
- Scanner Drive System
  84
  - Scanner Movement
    84
    
    Outline of Movement
    84
    
    Relationship between the Scanner Sensors and the Signals
    85
    
    Controlling the Scanner Motor Brake
    86
    
    Outline
    86
    
    Movement of the Scanner in Page Separation Mode
    88
    
    Movement of the Scanner with the RDF in Use (A4, 2 Originals, 1 Copy)
    90
    
    Movement of the Scanner with the RDF in Use (A4, 2 Copies)
    92
    
    Scanner Motor (M3) Control Circuit
    95
- Others
  98
  - Original Size Detection
    98
    
    Outline of Detection
    98
    
    Operation
    99
    
    Size of Originals
    100
- Disassembly and Assembly
  101
  - Scanner Drive Assembly
    102
    
    Motor
    102
    
    Removing the Scanner Drive
    102
    
    Glass
    104
    
    Orienting the Heat Absorbing
    104
    
    Routing the Scanner Drive Cable
    104
    
    Removing the Scanner Drive Cable
    105
    
    Adjusting the Tension of the Scanner Drive Cable
    107
    
    Positioning the Mirror
    107
    
    Positioning the Scanner Locking Solenoid (SL1)
    108
  - Lens Drive Assembly
    109
    
    Removing the Lens y Direction Drive Motor
    109
    
    Installing the Light-Blocking Belt Mount
    112
    
    Removing the Lens X Direction Drive Motor
    112
    
    Attaching the Lens X Direction Drive Belt
    113
    
    Routing the Light-Blocking Belt
    113
Chapter 4 Image Formation System

115
- Processes
  117
  - Controlling the Drum Surface Potential
    117
    
    Outline
    117
    
    Control Method
    118
    
    Potential Measurement Circuit
    120
  - Controlling the Intensity of the Scanning Lamp
    122
    
    Outline
    122
    
    Auto Exposure Control
    123
    
    Operation
    123
    
    Making Checks
    126
  - Controlling the Primary/Transfer Corona Current
    127
    
    Controlling the Primary Corona Current
    127
    
    Outline
    127
    
    Controlling the Transfer Corona Current
    129
  - Controlling the Separation/Pre-Transfer Corona Current
    131
    
    Outline
    131
    
    Turning on and off the Separation/Pre-Transfer Corona Current
    132
    
    Pre-Transfer Corona Current (DC Component)
    133
    
    Separation Corona Current
    133
    
    Controlling the DC Component of the Separation/Pre-Transfer Corona Current
    134
  - Controlling the Blanking Exposure Lamp (LED)
    135
    
    Controlling the Activation in Reduce Mode
    135
    
    Outline
    135
  - Controlling the Activation in Direct Mode
    135
  - Controlling the Activation in Sheet Frame Erase Mode
    135
    
    Lamp (LED)
    135
  - Controlling the Activation in Original Frame Erase Mode
    136
  - Controlling the Activation in Book Frame Erase Mode
    136
  - Controlling the Activation in Hole Image Erase Mode
    137
  - Controlling the Activation in AE Mode
    137
- Drum Heater Circuit
  138
  - Outline
    138
  - Idle Rotation of the Photosensitive Drum and the Developing Cylinder
    140
- Cleaning the Primary Charging Wire
  141
  - Outline
    141
  - Automatic Cleaning Mechanism
    141
- Pre-Transfer/Transfer/Separation Charging Wire Automatic Cleaning Mechanism
  142
- Drum Cleaning Assembly/Developing Assembly
  144
- Outline
  144
- Detecting the Level of Toner and Controlling the Supply Operation
  146
- Controlling the Developing Bias/Roller Electrode
  148
  - Outline
    148
  - Control Timing
    148
  - Developing Bias Control Circuit
    151
  - Roller Electrode Bias Control Circuit
    152
  - Detecting the Waste Toner Feeding Screw (Locking)
    154
- Disassembly and Assembly
  155
  - Scanning Lamp Assembly
    156
    
    Removing the Scanning Lamp
    156
    
    Removing the Thermal Fuse
    157
  - Standard White Plate
    157
  - Pre-Exposure Lamp Unit
    158
    
    Removing the Pre-Exposure Lamp Unit
    158
  - Blanking Exposure Lamp Assembly
    159
    
    Removing the Blanking Exposure Lamp Assembly
    159
  - Photosensitive Drum
    160
    
    Removing the Drum Unit
    160
    
    Installing the Photosensitive Drum
    162
    
    Replacing the Drum Heater
    162
  - Potential Sensor Assembly
    162
    
    Removing the Potential Sensor Assembly
    162
  - Primary Charging Assembly
    163
    
    Removing the Primary Charging Assembly
    163
  - Pre-Transfer Charging Assembly
    163
    
    Removing the Pre-Transfer Charging Assembly
    163
  - Transfer/Separation Charging Assembly
    164
    
    Assembly
    164
    
    Removing the Transfer/Separation Charging Assembly
    164
    
    Separation Charging Assembly
    165
  - Charging Wire
    167
    
    Stringing the Charging Wires
    167
    
    The Primary Charging Assembly
    167
    
    Stringing the Grid Wire of the Primary Charging Assembly
    169
    
    Cleaning the Primary Charging Assembly Anti-Stray Sheet
    172
  - Developing Assembly
    173
    
    Removing the Blade Unit
    174
    
    Cylinder and the Magnetic Seal
    175
    
    Installing the Blade
    175
  - Hopper Assembly
    178
  - Removing the Hopper Assembly from the Copier
    178
  - Drum Cleaner
    178
    
    Construction
    178
    
    Removing the Cleaning Blade
    178
    
    Installing the Cleaning Blade
    179
    
    Installing the Side Seal
    180
  - Separation Claw/Separation Claw Drive Assembly
    182
    
    Removing from the Drum Unit
    182
  - Waste Toner Feeding Assembly
    182
  - N. Separation Claw/Separation
    182
Chapter 5 Pick-Up/Feeding System

185
- Pick-Up/Feeding System
  185
- Outline
  187
- Pick-Up/Feeding System
  187
- Cassette Pick-Up
  190
  - II. Cassette Pick-Up
    190
  - Pick-Up Operation
    190
    
    Outline
    191
    
    Sequence of Pick-Up Operations
    191
  - Cassette Lifter Operation
    192
  - Identifying the Size of Copy Paper in the Cassette (Cassette4 Only)
    194
    
    Identifying the Size of Copy Paper
    194
    
    Identifying the Size of Copy Paper in the Cassette (Cassette 4 Only)
    194
    
    Outline
    194
    
    Markings on the Width Guide Rail
    196
    
    Paper Size
    197
    
    Registering Paper Width Basic Value
    198
- Front Paper Deck Assembly
  199
  - Outline
    199
  - Pick-Up Operation
    200
    
    Sequence of Pick-Up Operations
    201
    
    Lifter Operation
    202
    
    Operation
    202
    
    Deck Limit Detection
    204
  - Detecting the Presence/Absence of Paper in the Deck
    205
    
    Detecting the Presence
    205
    
    Detecting the Size of the Deck
    205
  - High-Speed Pick-Up
    205
- Multifeeder
  206
- Controlling the Registration Clutch
  209
- Making Two-Sided/Overlay Copies
  210
- Detecting Jams
  232
  - Outline
    232
    
    Registration Roller Delay Jam
    235
    
    Registration Roller Stationary Jam
    235
    
    Pick-Up Vertical Path Feeding 0/1 Delay Jam
    236
    
    Pick-Up Vertical Path Feeding 0/1 Stationary Jam
    236
    
    Pick-Up Vertical Path Feeding 2 through 4 Delay Jam
    237
    
    Pick-Up Vertical Path Feeding 2 through 4 Stationary Jam
    237
    
    Fixing Assembly Outlet Delay Jam
    238
    
    Fixing Assembly Outlet Stationary Jam
    238
    
    External Delivery Delay Jam
    239
    
    External Delivery Stationary Jam
    239
    
    Internal Delivery Delay Jam
    240
    
    Internal Delivery Stationary Jam
    240
    
    Holding Tray Inlet Delay Jam
    241
    
    Holding Tray Inlet Stationary Jam
    241
    
    Holding Tray Re-Pick up Delay Jam
    242
    
    Holding Tray Registration Delay Jam
    242
    
    Holding Tray Feeding 1/2 Delay Jam
    243
    
    Holding Tray Registration Stationary Jam
    243
    
    Holding Tray Feeding 1/2 Stationary Jam
    244
    
    Left Deck Pick-Up Delay Jam
    244
    
    Fixing Separation Claw Assembly Stationary Jam
    245
    
    Left Deck Pick-Up Stationary Jam
    245
- Disassembly and Assembly
  246
  - Multifeeder Assembly
    247
    
    Removing the Multifeeder Assembly
    247
    
    Removing the Pick-Up Roller
    247
    
    Installing the Pick-Up Roller
    248
    
    Removing the Separation Roller
    248
    
    Removing the Feeding Roller
    250
    
    Removing the Multifeeder Paper Sensor
    250
    
    Attaching the Side Guide Timing Belt in the Multifeeder Assembly
    252
    
    Adjusting the Pressure of the Pick-Up/Feeding Roller of the Multifeeder
    253
    
    Installing the Feeding Roller of
    253
    
    The Multifeeder
    253
    
    Multifeeder
    254
    
    Position of the Pick-Up Roller
    254
  - Front Paper Deck Assembly
    255
    
    Assembly from the Copier
    255
    
    Removing the Paper Deck
    255
    
    Removing the Lifter Cable
    256
    
    Changing the Deck Paper Size
    260
    
    Adjusting the Deck Registration
    262
- Right Deck Pick-Up Assembly (Cassette Holder)
  263
- Left Deck Pick-Up Assembly
  270
- Pick-Up Vertical Path Roller Assembly
  273
  - Removing the Pick-Up Vertical
    273
    
    Path Roller Assembly
    273
- Registration Feeding Assembly
  274
  - Construction
    274
  - Removing the Registration
    274
    
    Feeding Assembly
    274
  - Removing the Registration Roller (Upper Rubber Roller)
    275
- Feeding Assembly
  276
  - Construction
    276
  - Removing the Fixing/Feeding Unit
    276
  - Removing the Feeding Belt
    277
- Holding Tray Assembly
  280
  - Construction
    280
    
    Re-Pick up Assembly
    280
  - Removing the Holding Tray
    281
    
    Removing the Holding Tray Re-Pick up Assembly
    281
    
    Registration Paper Sensor
    282
  - Removing the Re-Pick up Roller
    283
  - Removing the Holding Tray Driver PCB
    283
  - Removing the Holding Tray y Motor
    284
  - Removing the y Motor Home
    286
    
    Position Sensor
    286
  - Removing the Holding Tray Inlet Assembly
    286
  - Removing the Feeding Roller/Separation Belt Assembly
    288
  - Removing the Feeding Roller
    289
  - Removing the Separation Belt Assembly
    289
  - Adjusting the Pressure of the Separation Roller of the Holding Tray
    290
  - Positioning the Holding Tray Paper Deflecting Plate Drive Solenoid
    290
  - Removing the Side Guide Plate Assembly
    291
  - Removing the Holding Tray X Motor
    291
  - Removing the Holding Tray Re-Circulating Motor
    291
    
    Assembly
    291
    
    Paper Jogging Guide Plate
    291
    
    Assembly
    292
    
    Removing the Holding Tray Paper Jogging Solenoid
    292
    
    Assembly Side Guide Plate Assembly
    293
    
    Paper Jogging Guide Plate Assembly
    293
  - Attaching the Timing Belt of
    294
  - The Holding Tray Assembly Paper Jogging Guide Plate
    294
  - Positioning the Holding Tray
    294
- Holding Tray Feeding Assembly
  295
  - Removing the Holding Tray Feeding Assembly from the Copier
    295
  - Removing the Sensor from the Holding Tray Feeding
    296
Chapter 6 Fixing System

297
- Outline of Operations
  299
- Disassembly and Assembly
  316
  - Fixing Assembly
    317
    
    Construction
    317
    
    Locking Mechanism
    317
    
    Removing the Fixing Cleaning Belt
    317
    
    Installing the Fixing Cleaning Belt
    319
    
    Removing the Upper Fixing Unit
    320
    
    Removing the Fixing Heater
    322
    
    Installing the Fixing Heater
    323
    
    Removing the Fixing Upper Roller
    323
    
    Installing the Upper Fixing Roller
    325
    
    Removing the Thermal Switch
    325
    
    Removing the Lower Separation Claw Assembly
    327
  - Removing the Lower Roller
    327
    
    Adjusting the Nip (Tightening the Pressure Adjusting Nut)
    328
    
    Removing the Upper Separation Claw
    328
    
    Adjusting the Fixing Clutch
    329
  - Delivery Assembly
    331
    
    Construction
    331
    
    Guide (Fixing/Delivery Assembly)
    331
    
    Removing the External Delivery Roller
    332
    
    Outlet Paper Sensor Assembly
    333
    
    Paper Sensor and the Internal Delivery Paper Sensor
    333
    
    Removing the Internal Delivery Assembly Roller
    334
Chapter 7 Externals/Auxiliary Mechanisms

335
- Control Panel
  337
  - Outline
    337
  - Operation
    337
    
    Data Communication
    337
    
    LCD Processing
    338
    
    Automatic Control of LCD Contrast
    340
    
    Touch Switch Inputs
    341
- Fans
  342
  - II. Fans
    342
- Power Supply
  345
  - III. Power Supply
    345
  - Outline of Power Supply
    345
  - Power Supply Circuit
    346
  - Date/Time Display Power Supply
    348
- Disassembly and Assembly
  349
  - External Covers
    350
  - Removing the Front Door
    351
  - Removing the Inside Upper Cover
    352
  - Removing the Fixing/Feeding Unit
    352
  - Removing the Rear Cover
    353
  - Sliding out the Hopper Assembly
    353
  - Removing the Process Unit
    354
  - Installing the Process Unit
    356
- Control Panel
  357
  - Removing the Control Panel from the Copier
    357
  - Removing the Control Panel PCB
    359
    
    Removing the Touch Panel
    360
    
    Controller (CPU) PCB
    361
    
    Removing the Control Panel
    361
  - Door Switch Assembly
    362
    
    Removing the Front Door
    362
    
    Removing the Multifeeder Door Switch Assembly
    362
    
    Switch Assembly
    362
    
    Installing the Drum Heater Switch
    363
  - Fan Unit
    364
    
    Removing the Exhaust Fan
    364
    
    Removing the Scanner Cooling Fan
    364
    
    Exhaust Fan
    365
    
    Removing the Developing Fan
    365
    
    Removing the Fixing Heat
    365
    
    Removing the Cleaner Fan
    366
    
    Cooling Fan
    367
    
    Removing the Feeding Fan
    367
    
    Removing the Scanner Motor
    367
  - Removing the Counter Assembly
    368
  - Main Motor Assembly
    368
    
    Removing the Main Motor
    368
  - Fixing/Waste Toner Drive Assembly
    369
    
    Construction
    369
    
    Removing the Fixing/Waste Toner Drive Assembly
    369
    
    Removing the Waste Toner Bottle
    369
  - Main Drive Assembly (Drum/Developing)
    371
  - Main Drive Assembly
    371
  - Construction
    371
  - Vertical Path Drive Assembly
    372
    
    Construction
    372
    
    Removing
    372
  - Pick-Up Drive Assembly
    374
  - Construction
    374
  - Removing
    374
  - Duplexing Drive (1) Assembly
    375
  - Construction
    375
    
    Removing
    375
  - Lifter Drive Assembly
    376
  - Construction
    376
  - Removing
    376
  - Construction
    377
  - Cassette Pick-Up Drive Assembly
    377
  - Attaching the Drive Belt
    379
  - DC Controller PCB
    380
  - DC Power Supply Assembly
    381
  - High-Voltage Transformer Assembly
    382
  - Q. High-Voltage Transformer
    382
  - Power Supply Inlet Assembly
    383
Chapter 8 Paper Deck-A1

385
- Side Paper Deck
  387
  - Inputs to and Outputs from the Side Deck Driver
    387
    
    Outputs from the Side Deck Driver
    389
    
    Outline
    390
  - Pick-Up
    390
    
    Pick-Up Operation
    390
    
    Sequence of Operations (Deck Pick-Up)
    392
  - Detection of Paper for the Deck
    393
    
    Changing the Paper Size for the Deck
    393
    
    Detecting the Presence/Absence of Paper
    393
  - Deck Lifter
    394
  - (Compartment)
    397
- Opening/Closing the Deck (Compartment)
  397
  - Sequence of Operations (Deck Opening/Closing)
    398
- Controlling the Deck Motor
  399
  - Controlling the Deck Main Motor (M101)
    399
  - Controlling the Deck Lifter Motor (M102)
    401
- Outline
  403
  - Detecting Jams
    403
    
    Deck Pick-Up/Vertical Path Delay Jam
    404
    
    Deck Pick-Up/Vertical Path Stationary Jam
    404
    
    When Copy Paper Is Present at any of the Sensors at Power-On, End of Wait-Up, or During Standby
    404
- Disassembly and Assembly
  405
  - External Covers
    406
    
    Removing the
    406
    
    Removing the Right Cover
    409
    
    Removing the Vertical Path Cover (Rear)
    409
    
    Removing the Upper Cover
    410
  - Paper Deck
    412
    
    Removing the Deck from the Copier
    412
    
    Removing the Compartment
    414
    
    Changing the Deck Paper Size
    416
    
    Adjusting the Deck Registration
    417
    
    Positioning the Roll
    417
  - Drive System
    418
    
    Clutch (CL102)
    418
    
    Removing the Deck Vertical Path Clutch (CL101)
    418
    
    Removing the Deck Main Motor (M101)
    419
    
    Removing the Deck Lifter Motor (M102)
    420
    
    Routing the Lifter Cable
    425
    
    Feeding System
    426
    
    Removing the Deck Pick-Up Unit
    426
    
    Orientation of the Deck Pick-Up Roller
    427
    
    Orientation of the Deck Feeding Roller
    428
    
    Removing the Deck Feeding Roller
    428
    
    Removing the Deck Separation Roller
    429
    
    Adjusting the Deck Separation Roller Pressure
    430
    
    Removing the Deck Pick-Up Roller
    430
    
    Electrical System
    431
    
    Removing the OPEN Switch PCB
    431
    
    Removing the Side Deck Driver PCB
    431
Chapter 9 Installation

433
- Selecting the Site
  435
- Unpacking and Installing
  438
  - Unpacking
    439
  - Installing the Scanner
    441
  - Installing the Fixing Assembly
    442
  - Charging Assemblies
    444
  - Installing the AP Kit and the Charging Assemblies
    444
  - Installing the Copy Tray
    450
  - Replacing the Delivery Roller Leaf Spring
    450
  - Checking the Developing Assembly
    451
  - Installing the Pick-Up Assembly
    453
  - Supplying Toner
    455
  - Connecting the RDF Connector
    459
  - Image/Operation Checks and User Mode
    460
  - Image/Operation Checks and User Mode
    464
- Relocating the Machine
  465
- Installing the Control Card V
  466
- Installing the Copy Data Controller-A1
  474
  - Setting the Board
    474
  - Installation Procedure
    476
  - Installing to the Copier
    478
  - Checking the Operation
    480
- Installing the Remote Diagnostic Device II
  490
  - Installation to the Copier
    490
- Chapter 10 Maintenance and Inspection
  
  501
  - Periodically Replaced III. Parts
    503
  - Consumables and Durables.10-2
    504
    
    A. Copier
    504
    
    Paper Deck-A1
    505
    
    Scheduled Servicing Table
    506
  - Scheduled Servicing Chart
    508
    
    A. Copier
    508
    
    B. Paper Deck-A1
    510
- Chapter 11 Troubleshooting
  
  511
  - Maintenance and Inspection.11-3
    515
    
    Image Adjustment Basic Procedure
    515
    
    Points to Note for Scheduled Servicing
    516
  - Standards/Adjustments
    517
    
    Adjusting the Image Leading Edge Margin
    517
    
    Adjusting the Image Leading Edge Non-Image Width (Registration)
    517
    
    II. Standards/Adjustments
    517
    
    Image Adjustment
    517
    
    Adjusting the Left/Right Registration (Left/Right Front Deck Paper Deck, Cassette)
    518
    
    Adjusting the Left/Right Registration (Paper Deck-A1)
    519
    
    Adjusting the Left/Right Margin
    520
    
    Adjusting the Left/Right Registration (Holding Tray Position; 2Nd Side of Two- Sided/Overlay Copies)
    520
    
    Executing AE Automatic Adjustment
    521
    
    Adjusting the AE Slope
    522
    
    Adjusting the Distance between the Side Guide Plates of the Holding Tray Assembly
    522
    
    Exposure System
    523
    
    Routing the Scanner Drive Cable
    523
    
    Adjusting the Tension of the Scanning Lamp Cable
    524
    
    Orientation of the Heat Absorbing Glass
    524
    
    Adjusting the Position of the Mirror
    525
    
    Cleaning the Mirror (No. 5 Mirror)
    526
    
    Routing the Light-Blocking Belt
    526
    
    Adjusting the Position of the Scanner Locking Solenoid
    527
    
    Routing the Lens X Direction Drive Belt
    527
    
    Grid Wire of the Primary Charging Assembly
    528
    
    Image Formation System
    528
    
    Adjusting the Height of the Charging Wire
    530
    
    Adjusting the Position of the Blanking Exposure Lamp
    531
    
    Adjusting the Position of the Cleaning Assembly Side Seal
    532
    
    Position of the Roller Electrode
    532
    
    Cleaning the Cleaner Side Scraper
    533
    
    Orientation of the Cassette/Front Paper Deck Pick-Up Roller
    535
    
    Pick-Up/Feeding System
    535
    
    Orientation of the Cassette/Front Paper Deck Separation Roller
    536
    
    Orientation of the Feeding Roller (Cassette/Front Paper Deck)
    536
    
    Orientation of the Multifeeder Pick-Up Roller
    537
    
    Orientation of the Paper Deck-A1 Feeding Roller
    538
    
    Rotation of the Multifeeder Feeding Roller
    538
    
    Adjusting the Separation Roller Pressure of the Cassette/Front Paper Deck
    539
    
    Adjusting the Separation Roller Pressure of the Holding Tray
    540
    
    Pick-Up/Feeding Roller of the Multifeeder
    540
    
    Adjusting the Position of the
    541
    
    Adjusting the Position of the Pick-Up Roller Releasing Solenoid (Front Paper Deck)
    542
    
    Adjusting the Position of the Pick-Up Roller Releasing Solenoid (Paper Deck-A1)
    542
    
    Adjusting the Position of the Pick-Up Roller Releasing Solenoid (Multifeeder)
    543
    
    Adjusting the Position of the Solenoid (Delivery Paper Deflecting Plate Solenoid)
    544
    
    Routing the Timing Belt of the Side Guide (Multifeeder Assembly)
    544
    
    Adjusting the Position of the Holding Tray Assembly Side Guide Plate
    545
    
    Adjusting the Position of the Holding Tray Paper Deflecting Plate Drive Solenoid
    545
    
    Holding Tray Paper Jogging Plate
    546
    
    The Holding Tray Paper Jogging Guide Plate
    546
    
    Adjusting the Position of the Holding Tray Paper Jogging Plate
    547
    
    Adjusting the Position of the Holding Tray Paper Jogging Plate Solenoid
    547
    
    Drive Belt
    547
  - Fixing System
    549
    
    Adjusting the Position of the Fixing Assembly Inlet Guide
    549
    
    Points to Note When Installing the Fixing Heater
    549
    
    Adjusting the Lower Roller Pressure (Nip)
    551
    
    Adjusting the Fixing Clutch
    552
  - Electrical System
    553
    
    Checking the Surface Potential Control System
    553
    
    When Replacing the DC Controller PCB
    553
    
    Checking the Potential System
    557
    
    Potential Control System Conversion Table
    559
    
    Checking the
    564
    
    Checking the Environment Sensor
    564
    
    Checking the Photointerrupters
    565
    
    Registering the Paper Width Basic Value ( 4 ; Cassette/ Multifeeder)
    573
  - Image Faults
    574
  - Initial Checks
    574
    
    Checking the Originals
    574
    
    Checking the Site Environment
    574
    
    Checking the Charging Assemblies
    575
    
    Checking the Copyboard Cover, Copyboard Glass, and Standard White Plate
    575
    
    Checking the Developing Assembly
    575
    
    Checking the Paper
    575
    
    Checking the Periodically Replaced Parts
    575
    
    Others
    575
  - Sample Image Faults
    577
  - Troubleshooting Image Faults
    579
    
    The Copy Is too Light (Halftone Only)
    579
    
    The Copy Is too Light (Entire Face)
    580
    
    The Copy Is too Light (Including Solid Black)
    580
    
    The Copy Has an Uneven Density (Darker at Front)
    582
    
    The Copy Has an Uneven Density (Lighter at Front)
    582
    
    The Copy Is Foggy. (Overall)
    583
    
    The Copy Has Black Lines (Vertical, Fuzzy, Thick)
    584
    
    The Copy Has Vertical Fogging
    584
    
    The Copy Has Black Lines (Vertical, Fine)
    585
    
    The Copy Has White Lines (Vertical)
    586
    
    The Copy Has White Spots (Vertical)
    586
    
    The Copy Has White Spots (Horizontal)
    588
    
    The Copy Has a Soiled Back
    589
    
    The Copy Has Fixing Faults
    590
    
    16., 17. the Copy Has Displaced Leading Edge Registration
    591
    
    The Copy Is Blurred and Fuzzy
    592
    
    The Copy Has Horizontal Fogging
    593
    
    The Copy Has Poor Sharpness
    593
    
    The Copy Is Blank
    594
    
    The Copy Is Solid Black
    594
  - A. Troubleshooting Malfunctions
    595
    
    E001
    596
  - Troubleshooting Malfunctions
    595
    
    E000
    595
  - E002
    597
  - E003
    597
  - E004
    597
  - E005
    598
  - E006
    598
  - E010
    598
  - E013
    599
  - E015
    600
  - E020
    601
  - E030 (the Total Copy Counter Fails to Turn On.)
    602
  - E031 (the Option Counter Has an Open Circuit.)
    602
  - E043 (Paper Deck-A1)
    603
  - E050
    604
  - E051
    604
  - E202 (the Keys on the Control Panel Are Locked.)
    605
  - E203
    605
  - E204 (the Keys on the Control Panel Are Locked.)
    605
  - E210 (Fault in Lens X Direction Drive System)
    606
  - E212 (Fault in Lens y Direction Drive System)
    606
  - E213
    606
  - E214
    606
  - E240
    607
  - E243
    607
  - E710/E711
    607
  - E712
    607
  - E713
    608
  - E800
    608
  - E802
    608
  - AC Power Is Absent
    609
  - DC Power Supply Is Absent
    610
  - Pick-Up Fails. (Deck Pick-Up; Front Paper Deck + Cassette)
    611
  - The Deck Lifter Fails to Move up
    612
  - Pick-Up Fails. (Cassette Pick-Up)
    613
  - The Lifter Fails to Move up
    615
    
    (Cassette)
    615
  - Pick-Up Fails. (Multifeeder)
    616
  - The Registration Roller Fails to Rotate
    617
  - The Vertical Path Roller Fails to Rotate
    617
  - The Scanner Fails to Move Forward
    618
  - The Scanner Fails to Move in Reverse
    618
  - The Blanking Exposure Lamp Fails to Turn on
    619
  - The Pre-Exposure Lamp Fails to Turn on
    619
  - The Scanning Lamp Fails to Turn on
    620
    
    The Hopper Motor (M10) Fails to Operate
    621
    
    The Drum Heater Fails to Operate
    622
    
    The Hopper Motor (M11) Fails to Operate
    622
    
    The Lens Fails to Move
    623
    
    The Add Toner Indicator Fails to Turn off
    624
    
    The Add Toner Indicator Fails to Turn on
    624
    
    Jams Occur at the Fixing Assembly Inlet
    625
    
    The Add Paper Message Fails to Turn off
    625
    
    The Set Control Card Message Fails to Turn off
    625
    
    The Fixing Heater Fails to Operate
    626
    
    Pick-Up Fails. (Paper Deck-A1)
    627
    
    The Deck Lifter Fails to Move Up. (Paper Deck-A1)
    628
  - Troubleshooting Feeding Problems
    629
    
    Copy Paper Jams
    629
    
    Pick-Up Assembly
    630
    
    Separation/Feeding Assembly
    631
    
    Fixing/Delivery Assembly
    632
    
    Fixing/Delivery Assembly (Reversed Delivery)
    632
    
    Cleaning Assembly
    633
    
    Holding Tray Assembly (Two-Sided/Overlay Copying, 1St Side)
    633
    
    Holding Tray Assembly (Re-Pick Up)
    634
    
    Holding Tray Assembly (Overlay, Re-Pick Up)
    635
    
    Holding Tray Feeding Assembly
    635
    
    Double Feeding
    636
    
    Feeding Faults
    636
    
    Wrinkles
    636
  - Arrangement and Functions of Electrical Parts
    637
    
    Sensors
    638
    
    Motors and Fans
    646
    
    Clutches
    648
    
    Lamps, Heaters, and Photosensors
    650
    
    Pcbs
    652
    
    Paper Deck-A1
    654
    
    Sensors and Switches
    654
    
    Motors, Clutches, Solenoids, and Pcbs
    656
  - Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB
    658
    
    DC Controller PCB
    658
    
    AC Driver PCB
    661
    
    DC Power Supply PCB
    661
    
    Control CPU PCB
    662
    
    Holding Tray Driver PCB
    663
    
    Potential Measurement PCB
    664
    
    Hvt1 Pcb
    665
    
    Hvt2 Pcb
    666
    
    Inverter PCB
    666
    
    Counter PCB
    667
    
    Lamp Regulator PCB
    667
    
    Side Deck Driver (Paper Deck-A1)
    668
    
    A. Outline
    669
    
    VII. Service Mode
    669
    
    C. Using Adjustment Mode and Options Mode
    670
    
    Using Service Mode
    670
    
    Display Mode
    672
    
    I/O Display Mode ( 2 )
    689
    
    Adjustment Mode
    725
    
    Function Mode
    743
    
    Options Mode
    754
    
    Counter Mode
    766
  - Self Diagnosis
    772
    
    A. Copier
    772
    
    B. Rdf-D
    777
    
    Rdf-D1
    777
    
    C. Sorter
    779
- Appendix
  
  781
  - Paper Deck-A1 General Circuit Diagram
    789
  - Special Tools
    791

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