Contents
Contents
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...
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Page 279: ...Chapter 9 Fixing System...
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Page 297: ...Chapter 10 External and Controls...
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Page 315: ...Chapter 10 10 13 2 Uncheck SNMP Status Enabled F 10 11...
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Page 343: ...Chapter 11 MEAP...
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Page 397: ...Chapter 12 e maintenance imageWARE Remote...
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Page 409: ...Chapter 13 Maintenance and Inspection...
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Page 424: ...Chapter 13 13 12...
Page 425: ...Chapter 14 Standards and Adjustments...
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Page 437: ...Chapter 15 Correcting Faulty Images...
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Page 465: ...Chapter 16 Self Diagnosis...
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Page 493: ...Chapter 17 Service Mode...
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Page 691: ...Chapter 18 Upgrading...
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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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