Chapter 7
7-10
7.5.2 Charging Mechanism
7.5.2.1 Controlling the Primary Charging Bias
0018-9709
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
The primary charging bias consists of AC and DC components.
7.5.2.2 Primary Charging Roller Cleaning Mechanism
0018-9710
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
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-7-11
7.6 Drum Cleaner Unit
7.6.1 Photosensitive Drum Cleaning
0018-9712
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
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.
AC bias:
2700 Vp-p (max.)
DC bias:
-450 V to -850 V
These AC and DC biases are applied between sheets while an image is being formed (until the end of the ongoing job).
[1]
[2]
[3]
[4]
Содержание iR3245
Страница 1: ...Jul 3 2008 Service Manual iR3245 3235 3230 3225 Series...
Страница 2: ......
Страница 6: ......
Страница 25: ...Chapter 1 Introduction...
Страница 26: ......
Страница 28: ......
Страница 64: ......
Страница 65: ...Chapter 2 Installation...
Страница 66: ......
Страница 120: ......
Страница 121: ...Chapter 3 Basic Operation...
Страница 122: ......
Страница 124: ......
Страница 128: ......
Страница 129: ...Chapter 4 Main Controller...
Страница 130: ......
Страница 132: ......
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...
Страница 152: ......
Страница 153: ...Chapter 5 Original Exposure System...
Страница 154: ......
Страница 184: ......
Страница 185: ...Chapter 6 Laser Exposure...
Страница 186: ......
Страница 188: ......
Страница 197: ...Chapter 7 Image Formation...
Страница 198: ......
Страница 227: ...Chapter 8 Pickup Feeding System...
Страница 228: ......
Страница 232: ......
Страница 244: ...Chapter 8 8 12 For iR3245 3235 3230 F 8 14 1 2 3 4...
Страница 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...
Страница 278: ......
Страница 279: ...Chapter 9 Fixing System...
Страница 280: ......
Страница 282: ......
Страница 297: ...Chapter 10 External and Controls...
Страница 298: ......
Страница 302: ......
Страница 315: ...Chapter 10 10 13 2 Uncheck SNMP Status Enabled F 10 11...
Страница 342: ......
Страница 343: ...Chapter 11 MEAP...
Страница 344: ......
Страница 346: ......
Страница 397: ...Chapter 12 e maintenance imageWARE Remote...
Страница 398: ......
Страница 400: ......
Страница 408: ......
Страница 409: ...Chapter 13 Maintenance and Inspection...
Страница 410: ......
Страница 412: ......
Страница 424: ...Chapter 13 13 12...
Страница 425: ...Chapter 14 Standards and Adjustments...
Страница 426: ......
Страница 428: ......
Страница 433: ...Chapter 14 14 5 Execute the following in Service Mode ADF white level adjustment COPIER FUNCTION CCD DF WLVL1 2 3 4...
Страница 436: ......
Страница 437: ...Chapter 15 Correcting Faulty Images...
Страница 438: ......
Страница 440: ......
Страница 465: ...Chapter 16 Self Diagnosis...
Страница 466: ......
Страница 468: ......
Страница 493: ...Chapter 17 Service Mode...
Страница 494: ......
Страница 498: ......
Страница 690: ......
Страница 691: ...Chapter 18 Upgrading...
Страница 692: ......
Страница 694: ......
Страница 738: ...Chapter 18 18 44...
Страница 739: ...Chapter 19 Service Tools...
Страница 740: ......
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...
Страница 742: ......
Страница 744: ......
Страница 745: ...Jul 3 2008...
Страница 746: ......