Contents
5.3.5.1
Overview ................................................................................................................................................................................ 5- 15
5.3.5.2
White Board Dust Detection Control ...................................................................................................................................... 5- 17
5.3.6
Image Processing.................................................................................................................................................. 5- 18
5.3.6.1
Overview ................................................................................................................................................................................ 5- 18
5.3.6.2
CCD Drive.............................................................................................................................................................................. 5- 18
5.3.6.3
Gain Correction and Offset Correction of CCD Output .......................................................................................................... 5- 18
5.3.6.4
A/D Conversion of CCD Output ............................................................................................................................................. 5- 19
5.3.6.5
Shading Correction (overview)............................................................................................................................................... 5- 19
5.3.6.6
Shading Adjustment............................................................................................................................................................... 5- 19
5.3.6.7
Shading Correction ................................................................................................................................................................ 5- 19
5.4
Parts Replacement Procedure .................................................................................................................5- 20
5.4.1
CCD Unit ............................................................................................................................................................... 5- 20
5.4.1.1
Removing the CCD Unit......................................................................................................................................................... 5- 20
5.4.1.2
When Replacing the CCD Unit .............................................................................................................................................. 5- 21
5.4.2
CCD Cover Unit ..................................................................................................................................................... 5- 21
5.4.2.1
Removing the CCD Cover Unit .............................................................................................................................................. 5- 21
5.4.3
Copyboard glass.................................................................................................................................................... 5- 21
5.4.3.1
Removing the Copyboard Glass ............................................................................................................................................ 5- 21
5.4.3.2
When Replacing the Copyboard Glass .................................................................................................................................. 5- 22
5.4.3.3
Removing the ADF Reading Glass ........................................................................................................................................ 5- 23
5.4.3.4
When Replacing the ADF Reading Glass .............................................................................................................................. 5- 23
5.4.4
Reader Controller PCB .......................................................................................................................................... 5- 24
5.4.4.1
Points to Note Before Replacing the Reader Controller PCB ................................................................................................ 5- 24
5.4.4.2
Removing the Reader Controller PCB ................................................................................................................................... 5- 24
5.4.4.3
After Replacing the Reader Controller PCB........................................................................................................................... 5- 24
5.4.5
LED Driver PCB..................................................................................................................................................... 5- 25
5.4.5.1
Removing the LED Driver PCB.............................................................................................................................................. 5- 25
5.4.6
Scanner Motor ....................................................................................................................................................... 5- 25
5.4.6.1
Removing the Scanner Motor ................................................................................................................................................ 5- 25
5.4.7
Copyboard Cover Open/Close Sensor .................................................................................................................. 5- 25
5.4.7.1
Removing the Copyboard Cover Open/Closed Sensor (Front/Rear)..................................................................................... 5- 25
5.4.8
CCD HP Sensor .................................................................................................................................................... 5- 26
5.4.8.1
Removing the CCD Unit HP Sensor ...................................................................................................................................... 5- 26
5.4.9
Original Size Sensor.............................................................................................................................................. 5- 26
5.4.9.1
Removing the Original Size Sensor ....................................................................................................................................... 5- 26
5.4.10
Reader Heater (option) ........................................................................................................................................ 5- 27
5.4.10.1
Removing the Reader Heater (Right)................................................................................................................................... 5- 27
5.4.10.2
Removing the Reader Heater (Left) ..................................................................................................................................... 5- 27
Chapter 6
Laser Exposure
6.1
Construction ...............................................................................................................................................6- 1
6.1.1
Specifications/Controls/Functions ........................................................................................................................... 6- 1
6.1.2
Main Configuration Parts ......................................................................................................................................... 6- 1
6.1.3
Control System Configuration.................................................................................................................................. 6- 2
6.2
Basic Sequence..........................................................................................................................................6- 3
6.2.1
Basic Sequence....................................................................................................................................................... 6- 3
6.3
Various Controls .........................................................................................................................................6- 4
6.3.1
Controlling the Laser Activation Timing ................................................................................................................... 6- 4
6.3.1.1
Laser ON/OFF Control ............................................................................................................................................................. 6- 4
6.3.1.2
Main Scanning Synchronous Control....................................................................................................................................... 6- 5
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- 6
6.3.3.1
Laser Scanner Motor Control................................................................................................................................................... 6- 6
6.3.4
Controlling the Laser Shutter................................................................................................................................... 6- 7
6.3.4.1
Laser Shutter Control ............................................................................................................................................................... 6- 7
6.4
Parts Replacement Procedure ...................................................................................................................6- 8
6.4.1
Laser Scanner Unit.................................................................................................................................................. 6- 8
Содержание iR3245
Страница 1: ...Jul 3 2008 Service Manual iR3245 3235 3230 3225 Series...
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Страница 25: ...Chapter 1 Introduction...
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Страница 65: ...Chapter 2 Installation...
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Страница 121: ...Chapter 3 Basic Operation...
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Страница 129: ...Chapter 4 Main Controller...
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Страница 134: ...Chapter 4 4 2 F 4 1 1 5 8 9 11 14 12 3 4 10 2 13 7 15 16 17...
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Страница 153: ...Chapter 5 Original Exposure System...
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Страница 185: ...Chapter 6 Laser Exposure...
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Страница 197: ...Chapter 7 Image Formation...
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Страница 227: ...Chapter 8 Pickup Feeding System...
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Страница 244: ...Chapter 8 8 12 For iR3245 3235 3230 F 8 14 1 2 3 4...
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Страница 279: ...Chapter 9 Fixing System...
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Страница 297: ...Chapter 10 External and Controls...
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Страница 315: ...Chapter 10 10 13 2 Uncheck SNMP Status Enabled F 10 11...
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Страница 343: ...Chapter 11 MEAP...
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Страница 397: ...Chapter 12 e maintenance imageWARE Remote...
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Страница 409: ...Chapter 13 Maintenance and Inspection...
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Страница 425: ...Chapter 14 Standards and Adjustments...
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Страница 433: ...Chapter 14 14 5 Execute the following in Service Mode ADF white level adjustment COPIER FUNCTION CCD DF WLVL1 2 3 4...
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Страница 437: ...Chapter 15 Correcting Faulty Images...
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Страница 465: ...Chapter 16 Self Diagnosis...
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Страница 493: ...Chapter 17 Service Mode...
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Страница 691: ...Chapter 18 Upgrading...
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Страница 738: ...Chapter 18 18 44...
Страница 739: ...Chapter 19 Service Tools...
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Страница 741: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools 19 1 19 1 2 Oils and Solvents 19 1...
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Страница 745: ...Jul 3 2008...
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