Contents
6.3
Various Controls......................................................................................................................................... 6- 3
6.3.1
Controlling the Laser Activation Timing ...................................................................................................................6- 3
6.3.1.1
Turning On and off the Laser Light .......................................................................................................................................... 6- 3
6.3.1.2
Main Scanning Synchronous Control....................................................................................................................................... 6- 4
6.3.2
Controlling the Intensity of Laser Light.....................................................................................................................6- 5
6.3.2.1
APC Control ............................................................................................................................................................................. 6- 5
6.3.3
Controlling the Laser Scanner Motor .......................................................................................................................6- 5
6.3.3.1
Controlling the Laser Scanner Motor ....................................................................................................................................... 6- 5
6.3.4
Controlling the Laser Shutter ...................................................................................................................................6- 5
6.3.4.1
Controlling the Laser Shutter ................................................................................................................................................... 6- 5
6.4
Parts Replacement Procedure ................................................................................................................... 6- 6
6.4.1
Laser Scanner Unit ..................................................................................................................................................6- 6
6.4.1.1
Removing the Front Cover Unit ............................................................................................................................................... 6- 6
6.4.1.2
Removing the Left Cover ......................................................................................................................................................... 6- 6
6.4.1.3
Removing the Laser Unit ......................................................................................................................................................... 6- 6
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- 1
7.2
Image Formation Process .......................................................................................................................... 7- 2
7.2.1
Image Formation Process (outline)..........................................................................................................................7- 2
7.2.2
Image Formation Process (image formation)...........................................................................................................7- 3
7.3
Basic Sequence ......................................................................................................................................... 7- 3
7.3.1
Sequence of Operation (initial rotation) ...................................................................................................................7- 3
7.3.2
Sequence of Operation (initial rotation) ...................................................................................................................7- 4
7.3.3
Sequence of Operation (copying) ............................................................................................................................7- 4
7.3.4
Sequence of Operation (copying) ............................................................................................................................7- 5
7.3.5
Sequence of Operation (last rotation) ......................................................................................................................7- 5
7.3.6
Sequence of Operation (last rotation) ......................................................................................................................7- 5
7.4
Image Stabilization Control ........................................................................................................................ 7- 6
7.4.1
Overview ..................................................................................................................................................................7- 6
7.4.2
APVC Control...........................................................................................................................................................7- 6
7.4.3
ATVC Control...........................................................................................................................................................7- 6
7.5
Drum Unit ................................................................................................................................................... 7- 6
7.5.1
Charging Mechanism ...............................................................................................................................................7- 6
7.5.1.1
Controlling the Primary Charging Bias..................................................................................................................................... 7- 6
7.5.1.2
Primary Charging Roller Cleaning Mechanism ........................................................................................................................ 7- 7
7.6
Drum Cleaner Unit...................................................................................................................................... 7- 7
7.6.1
Photosensitive Drum Cleaning.................................................................................................................................7- 7
7.7
Developing Unit .......................................................................................................................................... 7- 7
7.7.1
Controlling the Developing Bias...............................................................................................................................7- 7
7.8
Toner Container ......................................................................................................................................... 7- 8
7.8.1
Overview ..................................................................................................................................................................7- 8
7.8.2
Route of Toner Supply .............................................................................................................................................7- 8
7.8.3
Controlling the Drive of the Toner Cartridge ............................................................................................................7- 9
7.8.4
Toner Supply Control ...............................................................................................................................................7- 9
7.8.5
Recovery Sequence...............................................................................................................................................7- 10
7.8.6
Toner Level Detection............................................................................................................................................7- 10
7.9
Transfer Unit............................................................................................................................................. 7- 10
7.9.1
Outline of the Transfer Unit....................................................................................................................................7- 10
7.9.1.1
Outline.................................................................................................................................................................................... 7- 10
7.9.2
Controlling the Transfer Bias .................................................................................................................................7- 10
7.9.2.1
Transfer Roller Bias Control................................................................................................................................................... 7- 10
7.9.3
Cleaning.................................................................................................................................................................7- 11
Содержание iR3570 Series
Страница 1: ...Jan 17 2007 Service Manual iR4570 3570 2870 2270 Series...
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Страница 27: ...Chapter 1 Introduction...
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Страница 71: ...Chapter 2 Installation...
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Страница 147: ...Chapter 3 Basic Operation...
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Страница 155: ...Chapter 4 Main Controller...
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Страница 219: ...Chapter 6 Laser Exposure...
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Страница 231: ...Chapter 7 Image Formation...
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Страница 279: ...Chapter 7 7 43 F 7 241 2 Remove the screw 1 F 7 242 3 Detach the static eliminator 1 to the front F 7 243...
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Страница 281: ...Chapter 8 Pickup Feeding System...
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Страница 421: ...Chapter 10 External and Controls...
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Страница 437: ...Chapter 10 10 11 F 10 12 2 Remove the check mark from SNMP Status Enabled...
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Страница 475: ...Chapter 11 MEAP...
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Страница 481: ...Chapter 12 Maintenance and Inspection...
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Страница 509: ...Chapter 13 Standards and Adjustments...
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Страница 521: ...Chapter 14 Correcting Faulty Images...
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Страница 585: ...Chapter 15 Self Diagnosis...
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Страница 623: ...Chapter 16 Service Mode...
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Страница 679: ...Chapter 17 Upgrading...
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Страница 693: ...Chapter 17 17 11 F 17 18 2 Click Start F 17 19 3 When the session has ended click OK...
Страница 698: ...Chapter 17 17 16 F 17 28 2 Click Start F 17 29 3 When the session has ended click OK...
Страница 710: ...Chapter 17 17 28 F 17 51 3 Click Start F 17 52 4 Click Save...
Страница 712: ...Chapter 17 17 30 F 17 55 2 Select the data to download F 17 56 3 Click Start...
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Страница 715: ...Chapter 18 Service Tools...
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Страница 717: ...Contents Contents 18 1 Service Tools 18 1 18 1 1 Special Tools 18 1 18 1 2 Oils and Solvents 18 1...
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