Canon imageRUNNER ADVANCE IR DX-C3900 Series C3922 C3922i C3926 C3926i C3930 C3930i C3935 C3935i Color Copoer MFP Service Manual

[PDF] Canon imageRUNNER ADVANCE DX C3900 series Service Manual

[PDF] Canon imageRUNNER ADVANCE DX C3900 Series PARTS CATALOG

[PDF] Canon imageRUNNER ADVANCE DX C3900 Series Installation manual

Contents
Safety Precautions...............................................................................................1
Laser................................................................................................................................................... 2
Laser Safety......................................................................................................................................... 2
Handling of Laser System......................................................................................................................2
Power Supply / Lithium Battery........................................................................................................... 3
Turn power switch ON...........................................................................................................................3
Power Supply Guidelines.......................................................................................................................3
Notes When Handling a Lithium Battery..................................................................................................3
Toner Safety........................................................................................................................................4
About Toner..........................................................................................................................................4
Handling Adhered Toner........................................................................................................................4
Notes on works....................................................................................................................................4
Points to Note Before Servicing..............................................................................................................4
Points to Note at Cleaning..................................................................................................................... 4
Notes on Assembly/Disassembly........................................................................................................... 5
Handling of packaging materials............................................................................................................ 5
Points to Note at using Solvents and Oils........................................................................................... 5

1. Product Overview.............................................................................................6
Product Lineup.................................................................................................................................... 7
Host Machine........................................................................................................................................7
Option.................................................................................................................................................. 8
Specifications.................................................................................................................................... 12
Product Specifications Item..................................................................................................................12
Fax Specifications............................................................................................................................... 13
Weight and Size..................................................................................................................................14
Productivity.........................................................................................................................................14
Custom size paper.............................................................................................................................. 21
Paper Type.........................................................................................................................................22
Parts Name....................................................................................................................................... 42
Cross Section View............................................................................................................................. 42
Control Panel......................................................................................................................................43
Original Feed System (Reversal DADF)........................................................................................... 46
Features........................................................................................................................................... 46
Specifications..................................................................................................................................... 46
Name of Parts.....................................................................................................................................47
Original Feed System (Single Pass DADF).......................................................................................48
Features.............................................................................................................................................48
Specifications..................................................................................................................................... 48
Parts Name........................................................................................................................................ 49

2. Technical Explanation (Device).................................................................... 51
Basic Configuration........................................................................................................................... 52
Functional Configuration......................................................................................................................52
Original Exposure System.................................................................................................................53
Features.............................................................................................................................................53
Specification....................................................................................................................................... 53
Basic configuration..............................................................................................................................54
Controls..............................................................................................................................................56
Original Feed System (Reversal DADF)........................................................................................... 65
Basic Configuration............................................................................................................................. 65
Basic Operation.................................................................................................................................. 68
Document Pickup/Feed....................................................................................................................... 73
Document Reversing...........................................................................................................................75
Document Delivery..............................................................................................................................76
Document Detection............................................................................................................................76
Detecting Jams................................................................................................................................... 79
Power Supply..................................................................................................................................... 80
Original Output Indicator......................................................................................................................81
Upgrading...........................................................................................................................................81
Original Feed System (Single Pass DADF).......................................................................................82
Basic Configuration............................................................................................................................. 82
ADF Driver PCB..................................................................................................................................86
Outline of Electric Circuits....................................................................................................................87
Scanner Unit.......................................................................................................................................88
Pickup Feed System........................................................................................................................... 91
Power Supply Assembly.................................................................................................................... 102
Controller System............................................................................................................................103
Overview.......................................................................................................................................... 103
Laser Exposure System.................................................................................................................. 115
Overview.......................................................................................................................................... 115
Specifications....................................................................................................................................116
Laser ON/OFF control....................................................................................................................... 116
Horizontal scanning synchronous control............................................................................................ 116
Vertical Scanning Synchronization Control.......................................................................................... 117
Image Mask Control.......................................................................................................................... 118
Scanner Motor Control.......................................................................................................................118
APC(Auto Power Control) control....................................................................................................... 119
BD Correction Control........................................................................................................................120
Image Formation System................................................................................................................ 122
Overview.......................................................................................................................................... 122
Drum Unit / Developing Unit...............................................................................................................124
Transfer/Separation...........................................................................................................................133
Toner Supply Area............................................................................................................................ 147
Waste Toner Feed Unit......................................................................................................................158
Image Stabilization Control................................................................................................................ 161
Other Controls...................................................................................................................................169
Fixing System..................................................................................................................................171
Overview.......................................................................................................................................... 171
Overview of Fixing Temperature Control............................................................................................. 173
Standby Temperature Control............................................................................................................ 173
Print Temperature Control..................................................................................................................174
Down Sequence Control.................................................................................................................... 176
Film Unit Engagement/Disengagement Control................................................................................... 177
Fixing Slight Rotation Function........................................................................................................... 178
Fixing Arch Control............................................................................................................................178
Fixing Unit Detection......................................................................................................................... 179
Detection of New Fixing Unit.............................................................................................................. 179
Fixing Assembly life detection............................................................................................................ 180
Protection function.............................................................................................................................183
Pickup Feed System....................................................................................................................... 185
Overview.......................................................................................................................................... 185
Cassette Pickup Assembly.................................................................................................................190
Multi-purpose Tray Pickup Assembly.................................................................................................. 198
Registration Assembly....................................................................................................................... 200
Duplex / Delivery Assembly................................................................................................................202
Jam Detection .................................................................................................................................. 204

3. Technical Explanation (System)................................................................. 205
Overview......................................................................................................................................... 206

4. Periodical Service........................................................................................ 207
Periodically Replaced Parts............................................................................................................ 208
DADF............................................................................................................................................... 208
Reader............................................................................................................................................. 208
Printer.............................................................................................................................................. 208
Option.............................................................................................................................................. 208
Consumable Parts List.................................................................................................................... 209
Host Machine....................................................................................................................................209
Cassette Feeding Unit-AW1...............................................................................................................211
DADF-BA1........................................................................................................................................212
Single Pass DADF-C1....................................................................................................................... 212
Inner Finisher-L1............................................................................................................................... 213
Booklet Finisher-AE1.........................................................................................................................213
Staple Finisher-AE1...........................................................................................................................213
Periodical Maintenance...................................................................................................................214
Printer.............................................................................................................................................. 214
DADF............................................................................................................................................... 215

5. Parts Replacement and Cleaning............................................................... 216
Preface............................................................................................................................................217
Outline..............................................................................................................................................217
Parts List......................................................................................................................................... 218
Host Machine (Front view, Left side)...................................................................................................218
Main Machine (Inside the machine).................................................................................................... 219
Main Machine (Rear view, Right side).................................................................................................221
Reader............................................................................................................................................. 222
Motor................................................................................................................................................223
Clutch/ Solenoid................................................................................................................................224
Switches...........................................................................................................................................225
Sensor..............................................................................................................................................226
Heater.............................................................................................................................................. 229
PCB................................................................................................................................................. 230
Fan.................................................................................................................................................. 232
External Cover/Interior System....................................................................................................... 233
How to Full Open the Right Door........................................................................................................ 233
Removing the Right Door...................................................................................................................233
Removing the First Delivery Tray........................................................................................................238
Removing the Control Panel...............................................................................................................238
Removing the Control Panel CPU PCB/LCD Unit/LED PCB................................................................. 243
Remove the Power cord base............................................................................................................ 249
Removing the Low Voltage Power Supply Unit.................................................................................... 250
Removing the Primary Transfer High Voltage PCB.............................................................................. 251
Removing the Secondary Transfer High Voltage PCB..........................................................................253
Original Exposure System...............................................................................................................255
Removing the Reader Scanner Unit....................................................................................................255
Cleaning the Scanner Mirror...............................................................................................................258
Removing the Reader Scanner Motor................................................................................................. 260
Removing the Copyboard Glass......................................................................................................... 263
Cleaning the Copyboard Glass (Large)............................................................................................... 264
Cleaning the Copyboard Glass (Small)............................................................................................... 265
Removing the Flat Cable....................................................................................................................266
Original Feed System (Single Pass DADF).....................................................................................273
Parts List.......................................................................................................................................... 273
External Cover.................................................................................................................................. 276
Removing the Lifter Drive Unit............................................................................................................280
Removing the Document Tray............................................................................................................280
Removing the Reader Scanner Unit....................................................................................................281
Removing the Cable Guide Unit......................................................................................................... 283
Removing the Left Hinge....................................................................................................................285
Removing the Pickup Roller Unit........................................................................................................ 288
Removing the Separation Roller Unit.................................................................................................. 289
Cleaning the Scanner Mirror...............................................................................................................290
Cleaning the Sensor.......................................................................................................................... 291
Cleaning the Lead Roller 1.................................................................................................................292
Cleaning the Lead Roller 2.................................................................................................................295
Cleaning the Pullout Roller.................................................................................................................296
Cleaning the Paper Back Reading Glass.............................................................................................296
Removing the ADF Driver PCB.......................................................................................................... 298
Removing the Multi Feed Detect Sensor PCB..................................................................................... 299
Removing the Pickup Roller Lifting Motor............................................................................................301
Removing the ADF Delivery Motor......................................................................................................301
Removing the ADF Pickup Motor Unit.................................................................................................302
Removing the ADF Pullout Motor Unit.................................................................................................303
Removing the Lead Motor Unit........................................................................................................... 303
Controller System............................................................................................................................305
Removing the Main Controller PCB.................................................................................................... 305
Removing the DC Controller PCB.......................................................................................................307
Removing the SSD Unit..................................................................................................................... 308
Removing the Fax Unit...................................................................................................................... 309
Laser Exposure System.................................................................................................................. 311
Removing the Laser Scanner Unit...................................................................................................... 311
Image Formation System................................................................................................................ 313
Removing the Drum Unit ...................................................................................................................313
Removing the Developing Unit........................................................................................................... 315
Removing the Waste Toner Container................................................................................................ 318
Removing the Secondary Transfer Outer Roller Unit............................................................................318
Removing the Secondary Transfer External Roller Bushing..................................................................319
Removing the ITB Unit.......................................................................................................................319
Removing the Transfer Cleaner Assembly.......................................................................................... 322
Removing the ITB..............................................................................................................................323
Removing the Primary Transfer Roller................................................................................................ 327
Removing the Waste Toner Drive Assembly........................................................................................328
Removing the Waste Toner Feed Assembly........................................................................................330
Remove The Toner Bottle Drive Unit.................................................................................................. 334
Removing the Drum Cleaning Pre-exposure LED Unit......................................................................... 338
Removing the Intermediate Guide...................................................................................................... 339
Removing the Registration Guide Unit................................................................................................ 341
Removing the Registration Patch Sensor Unit..................................................................................... 342
Removing the Main Drive Unit............................................................................................................342
Fixing System..................................................................................................................................345
Removing the Fixing Film Unit............................................................................................................345
Removing the Fixing Pressure Roller / Fixing Pressure Roller Shaft Support......................................... 351
Removing the Fixing Drive Unit.......................................................................................................... 353
Pickup Feed System....................................................................................................................... 355
Removing the Multi-purpose Tray/Feed/Separation Roller....................................................................355
Removing the Pickup/Feed/Separation Roller (Cassette 1/2,Cassette 3/4(Option))................................ 357
Removing the Cassette 1 Pickup Unit................................................................................................. 357
Removing the Cassette 2 Pickup Unit................................................................................................. 358
Removing the Cassette 3 Pickup Unit (Option).................................................................................... 359
Removing the Cassette 4 Pickup Unit (Option).................................................................................... 361
Removing the Cassette 1 Pullout Roller Unit ...................................................................................... 362
Removing the Delivery Unit................................................................................................................365
Removing the Registration Roller....................................................................................................... 366
Removing the Registration Drive Assembly.........................................................................................368
Removing the Pickup/Lifter drive unit..................................................................................................368
Removing the Cassette Heater Unit....................................................................................................370
Cleaning.......................................................................................................................................... 372
Cleaning the Registration Roller......................................................................................................... 372
Cleaning the Registration Frame........................................................................................................ 372
Cleaning the Delivery Vertical Path Roller 1........................................................................................ 372
Cleaning the Duplex Roller 1 .............................................................................................................373
Cleaning the Duplex Roller 2..............................................................................................................373
Cleaning the Secondary Transfer Front Outside Guide........................................................................ 374
Cleaning the Secondary Transfer Rear Roller Guide............................................................................375
Cleaning the First Delivery Roller....................................................................................................... 375
Cleaning the Secondary Delivery Roller.............................................................................................. 376
Cleaning the Cassette 1 Pullout Roller Roller ..................................................................................... 376
Clean the Pre-transfer Cover Sheet.................................................................................................... 377

6. Adjustment................................................................................................... 378
Pickup Feed System....................................................................................................................... 379
Image Position Adjustment.................................................................................................................379
Original Exposure System...............................................................................................................383
Reader Unit...................................................................................................................................... 383
Original Feed System......................................................................................................................384
Skew Adjustment (at Stream Scanning of Originals)............................................................................ 384
Adjusting the Height.......................................................................................................................... 389
Right Angle Adjustment (Slant Adjustment)......................................................................................... 392
Light intensity adjustment ..................................................................................................................397
Stream reading adjustment (Auto adjustment of reading position during ADF reading)........................... 398
Squareness adjustment amount display..............................................................................................398
White Level Adjustment .................................................................................................................... 399
Front/Back Side Difference Correction Adjustment.............................................................................. 399
Parallelogram Correction................................................................................................................... 402
Angle Correction (Front / Back).......................................................................................................... 402
Image Position Adjustment (at Stream Scanning of Originals).............................................................. 402
Other Adjustments.............................................................................................................................412
Original Feed System (Reversal DADF)......................................................................................... 420
Adjustment After Replacing the Parts..................................................................................................420
Overview of Adjustment..................................................................................................................... 420
Creating the Test Charts for Image Position Adjustment...................................................................... 420
Adjusting the Height.......................................................................................................................... 421
Adjusting the Perpendicularity............................................................................................................ 425
Adjusting the Reading Position...........................................................................................................429
Adjusting the Magnification (Sub Scanning Direction).......................................................................... 430
Adjusting the Image Position (Main Scanning Direction).......................................................................431
Adjusting the Image Position (Sub Scanning Direction)........................................................................ 433
Adjusting the White Level...................................................................................................................435
Installing Hinge Covers......................................................................................................................436
Actions at Parts Replacement......................................................................................................... 437
Main Controller System......................................................................................................................437
SSD................................................................................................................................................. 438
DC Controller PCB............................................................................................................................ 441
Control Panel Unit............................................................................................................................. 441
Laser Scanner Unit ...........................................................................................................................442
Secondary Transfer Outer Roller........................................................................................................ 443
Developing Assembly........................................................................................................................ 443
Registration Sensor Unit.................................................................................................................... 443
Pre-Exposure LED Unit......................................................................................................................444
Scanner Unit (Paper Front)................................................................................................................ 444
Scanner Unit (Paper Back).................................................................................................................445
Scanner unit (Reader) : When using Reversal ADF............................................................................. 445
Copyboard Glass.............................................................................................................................. 446

7. Troubleshooting...........................................................................................448
Initial Check.....................................................................................................................................449
Test Print.........................................................................................................................................450
Overview.......................................................................................................................................... 450
Steps to select the test print TYPE..................................................................................................... 451
How to use the test print.................................................................................................................... 451
Troubleshooting Items.....................................................................................................................457
Parts Pitch Related to Periodical Image Failure................................................................................... 457
What to do when mottled unevenness / spotted dirt appear on halftone or solid images......................... 457
The output of the image is skewed or misaligned when scanned by ADF.............................................. 458
Inaccurate Right Angle at the Paper Trailing Edge...............................................................................460
Adjusting "the custom paper type"...................................................................................................... 463
Image Quality Adjustment Function Implemented in User Mode........................................................... 470
Troubleshooting by Forcible Stop of Paper Feed................................................................................. 471
The ITB Unit Cannot Be Removed Due to a Disengagement Error of the Primary Transfer Roller...........473
Display of "Non-Canon Product" Message.......................................................................................... 474
Remedies to be performed when E602-xxxx or E614-xxxx error is displayed.........................................475
Controller Self Diagnosis.................................................................................................................479
Startup Method................................................................................................................................. 479
Diagnosis Result............................................................................................................................... 480
Debug Log.......................................................................................................................................483
Function Overview.............................................................................................................................483
Saving and Collecting Debug Logs..................................................................................................... 485
Startup System Failure Diagnosis................................................................................................... 501
Overview.......................................................................................................................................... 501
Basic Flow ....................................................................................................................................... 502

8. Error/Jam/Alarm........................................................................................... 510
Outline.............................................................................................................................................511
Error code notation............................................................................................................................511
Location Code...................................................................................................................................511
Pickup Position Code.........................................................................................................................512
Pickup size....................................................................................................................................... 512
Points to Note When Clearing MN-CON .............................................................................................514
Points to Note When Clearing Storage................................................................................................514
Error Code.......................................................................................................................................515
Error Code Details.............................................................................................................................515
Error Code (FAX)............................................................................................................................ 666
How to View Fax Error Codes............................................................................................................ 666
User error codes............................................................................................................................... 666
Service Error Code............................................................................................................................666
Alarm Code..................................................................................................................................... 669
Alarm Code Details........................................................................................................................... 669
Jam Code........................................................................................................................................692
Jam Type..........................................................................................................................................692
Jam screen display specification........................................................................................................ 693
Host Machine / Cassette Feeding Unit................................................................................................ 693
DADF-BA1..........................................................................................................................................696
Single Pass DADF-C1....................................................................................................................... 697
UniFlow (Advanced Scanning)........................................................................................................... 699
Inner Finisher-L1 .............................................................................................................................. 700
Booklet/Staple Finisher-AE1...............................................................................................................701
Buffer Pass Unit................................................................................................................................ 702
2/4 Hole Puncher Unit-A1.................................................................................................................. 703

9. Service Mode................................................................................................ 704
Overview......................................................................................................................................... 705
Basic Operations...............................................................................................................................705
SITUATION Mode............................................................................................................................. 708
Security Support................................................................................................................................713
Position to Affix the Service Label.......................................................................................................717
Output of Service Print Data...............................................................................................................717
COPIER (Service mode for printer).................................................................................................722
DISPLAY (State display mode)...........................................................................................................722
I/O....................................................................................................................................................760
ADJUST (Adjustment mode).............................................................................................................. 761
FUNCTION (Operation / inspection mode).......................................................................................... 894
OPTION (Specification setting mode)................................................................................................. 922
TEST (Print test mode).................................................................................................................... 1073
COUNTER (Counter mode)..............................................................................................................1081
FEEDER (ADF service mode).......................................................................................................1122
DISPLAY (State display mode).........................................................................................................1122
ADJUST (Adjustment mode)............................................................................................................ 1125
FUNCTION (Operation / inspection mode)........................................................................................ 1130
OPTION (Specification setting mode)................................................................................................1133
SORTER (Service mode for delivery options)...............................................................................1135
ADJUST (Adjustment mode)............................................................................................................ 1135
FUNCTION (Operation / inspection mode)........................................................................................ 1149
OPTION (Specification setting mode)................................................................................................1154
BOARD (Option board setting mode)............................................................................................1161
OPTION (Specification setting mode)................................................................................................1161
FAX (Serivce Mode for FAX).........................................................................................................1162
Overview........................................................................................................................................ 1162
Setting of Bit Switch (SSSW)............................................................................................................1165
Setting of Menu Switch (MENU)....................................................................................................... 1176
Setting of Numeric Parameter (NUMERIC Param.)............................................................................ 1177
Setting of Destination (TYPE)...........................................................................................................1179
Setting of Printer Functions (PRINTER)............................................................................................ 1180
IPFAX Setting................................................................................................................................. 1182
Initialization of Set Value (CLEAR)....................................................................................................1183
Test Mode (TEST)...........................................................................................................................1183
Service Report (REPORT)............................................................................................................... 1187
APPENDICES..................................................................................................1191
Service Tools.................................................................................................................................1192
List of Special Tools.........................................................................................................................1192
Solvent/Oil List................................................................................................................................ 1192
General Circuit Diagram................................................................................................................1193
Host machine.................................................................................................................................. 1193
READER........................................................................................................................................ 1206
DADF-BA1......................................................................................................................................1208
Single Pass DADF...........................................................................................................................1209
Software Counter Specifications................................................................................................... 1211
Removal........................................................................................................................................ 1221
Overview ........................................................................................................................................1221
Work Procedure.............................................................................................................................. 1221
Target PCBs of Automatic Update ............................................................................................... 1224
List of Service Modes That Can Be Restored............................................................................... 1225