Chapter 7
7-7
7.4 Image Stabilization Control
7.4.1 Overview
0018-9704
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
At times, changes in the environment or wear on the machine can cause its image output to become unstable. To obtain a stable image, the machine uses the fol-
lowing control mechanisms.
F-7-8
7.4.2 APVC Control
0018-9705
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
The term APVC stands for "auto primary voltage control," and it is a mechanism used to control the primary charging application voltage (DC component) to suit
the film thickness of the machine's photosensitive drum. APVC is performed every 500 sheets while the machine is in operation. It is forcibly performed when the
drum unit is replaced.
7.4.3 ATVC Control
0018-9707
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
The machine is provided with a constant current control mechanism that can be enabled or disabled in service mode: COPIER > OPTION > BODY > TRANS-SW.
[A]
APVC control:
Corrects the primary charging bias.
[B]
ATVC control:
Corrects the transfer bias.
[C]
PASCAL control:
Corrects the gradation density of an image.
[1]
Primary charging roller
[2]
Photosensitive drum
[3]
Developing assembly
[4]
Transfer roller
[5]
Reader
MN-CON: Main controller
DC-CON: DC controller
[2]
[5]
[1]
[3]
[4]
[A]
[C]
[B]
MN-CON
DC-CON
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 424: ...Chapter 13 13 12...
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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