Contents
6.4.1.1
Before Removing the Laser Unit.............................................................................................................................................. 6- 8
6.4.1.2
Removing the Laser Unit ......................................................................................................................................................... 6- 8
6.4.1.3
After Replacing the Laser Scanner Unit................................................................................................................................... 6- 8
Chapter 7
Image Formation
7.1
Construction ............................................................................................................................................... 7- 1
7.1.1
Specifications of the Image Formation System........................................................................................................7- 1
7.1.2
Major Components of the Image Formation System ...............................................................................................7- 2
7.2
Image Formation Process .......................................................................................................................... 7- 3
7.2.1
Image Formation Process (outline)..........................................................................................................................7- 3
7.2.2
Image Formation Process (image formation)...........................................................................................................7- 4
7.3
Basic Sequence ......................................................................................................................................... 7- 5
7.3.1
Sequence of Operation (initial rotation) ...................................................................................................................7- 5
7.3.2
Sequence of Operation (copying) ............................................................................................................................7- 5
7.3.3
Sequence of Operation (last rotation) ......................................................................................................................7- 6
7.4
Image Stabilization Control ........................................................................................................................ 7- 7
7.4.1
Overview ..................................................................................................................................................................7- 7
7.4.2
APVC Control...........................................................................................................................................................7- 7
7.4.3
ATVC Control...........................................................................................................................................................7- 7
7.4.4
PASCAL Control (image gradation) .........................................................................................................................7- 8
7.5
Drum Unit ................................................................................................................................................... 7- 9
7.5.1
Outline of the Drum Unit ..........................................................................................................................................7- 9
7.5.1.1
Configuration............................................................................................................................................................................ 7- 9
7.5.2
Charging Mechanism .............................................................................................................................................7- 10
7.5.2.1
Controlling the Primary Charging Bias................................................................................................................................... 7- 10
7.5.2.2
Primary Charging Roller Cleaning Mechanism ...................................................................................................................... 7- 10
7.6
Drum Cleaner Unit.................................................................................................................................... 7- 10
7.6.1
Photosensitive Drum Cleaning...............................................................................................................................7- 10
7.7
Developing Unit ........................................................................................................................................ 7- 11
7.7.1
Configuration..........................................................................................................................................................7- 11
7.7.2
Controlling the Developing Bias.............................................................................................................................7- 11
7.8
Toner Container ....................................................................................................................................... 7- 12
7.8.1
Configuration..........................................................................................................................................................7- 12
7.8.2
Route of Toner Supply ...........................................................................................................................................7- 13
7.8.3
Controlling the Drive of the Toner Cartridge ..........................................................................................................7- 13
7.8.4
Toner Supply Control .............................................................................................................................................7- 14
7.8.5
Recovery Sequence...............................................................................................................................................7- 14
7.8.6
Toner Level Detection............................................................................................................................................7- 14
7.9
Transfer Unit............................................................................................................................................. 7- 15
7.9.1
Outline of the Transfer Unit....................................................................................................................................7- 15
7.9.1.1
Outline.................................................................................................................................................................................... 7- 15
7.9.2
Controlling the Transfer Bias .................................................................................................................................7- 15
7.9.2.1
Transfer Roller Bias Control................................................................................................................................................... 7- 15
7.9.3
Cleaning.................................................................................................................................................................7- 15
7.9.3.1
Transfer Roller Cleaning Mechanism..................................................................................................................................... 7- 15
7.9.4
Separation Mechanism ..........................................................................................................................................7- 15
7.9.4.1
Controlling the Static Eliminator Bias..................................................................................................................................... 7- 15
7.10
Transfer Mechanism ............................................................................................................................... 7- 16
7.10.1
Transfer Guide Bias .............................................................................................................................................7- 16
7.10.1.1
Transfer Guide Bias Control................................................................................................................................................. 7- 16
7.11
Photosensitive Drum Cleaning ............................................................................................................... 7- 17
7.11.1
Outline..................................................................................................................................................................7- 17
7.11.2
Collection of Waste Toner....................................................................................................................................7- 17
7.11.3
Checking the Waste Toner Box ...........................................................................................................................7- 17
7.12
Parts Replacement Procedure ............................................................................................................... 7- 18
Summary of Contents for iR3245
Page 1: ...Jul 3 2008 Service Manual iR3245 3235 3230 3225 Series...
Page 2: ......
Page 6: ......
Page 25: ...Chapter 1 Introduction...
Page 26: ......
Page 28: ......
Page 64: ......
Page 65: ...Chapter 2 Installation...
Page 66: ......
Page 120: ......
Page 121: ...Chapter 3 Basic Operation...
Page 122: ......
Page 124: ......
Page 128: ......
Page 129: ...Chapter 4 Main Controller...
Page 130: ......
Page 132: ......
Page 134: ...Chapter 4 4 2 F 4 1 1 5 8 9 11 14 12 3 4 10 2 13 7 15 16 17...
Page 152: ......
Page 153: ...Chapter 5 Original Exposure System...
Page 154: ......
Page 184: ......
Page 185: ...Chapter 6 Laser Exposure...
Page 186: ......
Page 188: ......
Page 197: ...Chapter 7 Image Formation...
Page 198: ......
Page 227: ...Chapter 8 Pickup Feeding System...
Page 228: ......
Page 232: ......
Page 244: ...Chapter 8 8 12 For iR3245 3235 3230 F 8 14 1 2 3 4...
Page 261: ...Chapter 8 8 29 10 11 12 13 14 3 1 2 4 5 4 4 1 2 3 5 4 1 2 3 5 5 4 1 2 3 5 4 1 2 3 5...
Page 278: ......
Page 279: ...Chapter 9 Fixing System...
Page 280: ......
Page 282: ......
Page 297: ...Chapter 10 External and Controls...
Page 298: ......
Page 302: ......
Page 315: ...Chapter 10 10 13 2 Uncheck SNMP Status Enabled F 10 11...
Page 342: ......
Page 343: ...Chapter 11 MEAP...
Page 344: ......
Page 346: ......
Page 397: ...Chapter 12 e maintenance imageWARE Remote...
Page 398: ......
Page 400: ......
Page 408: ......
Page 409: ...Chapter 13 Maintenance and Inspection...
Page 410: ......
Page 412: ......
Page 424: ...Chapter 13 13 12...
Page 425: ...Chapter 14 Standards and Adjustments...
Page 426: ......
Page 428: ......
Page 436: ......
Page 437: ...Chapter 15 Correcting Faulty Images...
Page 438: ......
Page 440: ......
Page 465: ...Chapter 16 Self Diagnosis...
Page 466: ......
Page 468: ......
Page 493: ...Chapter 17 Service Mode...
Page 494: ......
Page 498: ......
Page 690: ......
Page 691: ...Chapter 18 Upgrading...
Page 692: ......
Page 694: ......
Page 738: ...Chapter 18 18 44...
Page 739: ...Chapter 19 Service Tools...
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Page 745: ...Jul 3 2008...
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