Chapter 7
7-7
These AC and DC biases are applied between sheets while an image is being formed (until the end of the ongoing job).
7.5.1.2 Primary Charging Roller Cleaning Mechanism
0006-5992
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
The machine uses a brush [3] to clean the primary charging roller [2], which remains in contact with the photosensitive drum [1]. The brush has a reciprocating
mechanism and is driven by a cam [4], operating while the photosensitive drum is being driven.
F-7-13
7.6 Drum Cleaner Unit
7.6.1 Photosensitive Drum Cleaning
0007-5224
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
The cleaning blade is kept in contact with the surface of the photosensitive drum. It serves to scrape off the residual toner left behind from transfer to paper for
collection in the waste toner box.
7.7 Developing Unit
7.7.1 Controlling the Developing Bias
0006-6032
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
T-7-9
Developing Bias
Both these AC and DC biases are applied while an image is being formed, but are not applied between sheets.
DC bias
-450 V to -850 V
AC bias
800 Vp-p
DC bias
-450 V to -650 V
[1]
[2]
[3]
[4]
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 187: ...Chapter 5 Original Exposure System...
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Страница 217: ...Chapter 5 5 27 F 5 91...
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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 389: ...Chapter 9 Fixing 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...
Страница 438: ...Chapter 10 10 12 F 10 13...
Страница 440: ...Chapter 10 10 14 F 10 15...
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 537: ...Chapter 14 14 9 43mm s b Z x i j B iR4570_395 s u A B FM2 0287...
Страница 538: ...Chapter 14 14 10...
Страница 539: ...Chapter 14 14 11...
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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Страница 721: ...Jan 17 2007...
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