Chapter 7
7-1
7.1 Construction
7.1.1 Outline
0010-8034
iR7105 / iR7095 / iR7086
The image formation system has the following principal functions:
T-7-1
7.1.2 Major Components
0010-8035
iR7105 / iR7095 / iR7086
Item
Description
Pre-exposure
LED array (64 LEDs)
on/off control
Primary charging control
DC constant current control: switched over 3 settings in service mode
Grid bias control
DC constant voltage control: determined by potential control
Developing bias control
AC constant voltage control: switched over (frequencies) in service mode
DC constant voltage control: determined by potential control
Dust-colleting roller bias control
DC constant voltage control: on/off control only (+1000 V)
Pre-transfer charging control
AC constant current control: fuzzy control by environment sensor
DC constant voltage control: on/off control only
transfer guide bias control
DC constant voltage control: switched over according to temperature/humidity
(high-humidity envir200 V, low/normal envir600 V)
Transfer charging control
DC constant current control: fuzzy control by environment sensor
Separation charging control
DC constant current control: fuzzy control by environment sensor and toner deposit
AC constant voltage control
Potential control
[1] determines grid bias
[2] sets optimum laser output
[3] sets optimum developing bias (DC)
Wire auto cleaning
[1] primary charging wire
[2] pre-transfer charging wire
Содержание iR7086
Страница 1: ...Sep 7 2007 Service Manual iR7105 7095 7086 Series...
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Страница 26: ...Contents...
Страница 27: ...Chapter 1 Introduction...
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Страница 32: ...Chapter 1 1 2 Not all products are necessarily available in all sales areas...
Страница 55: ...Chapter 2 Installation...
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Страница 151: ...Chapter 3 Basic Operation...
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Страница 159: ...Chapter 4 Main Controller...
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Страница 183: ...Chapter 5 Original Exposure System...
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Страница 229: ...Chapter 6 Laser Exposure...
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Страница 238: ...Chapter 6 6 6 F 6 7 1 Laser light 2 Laser shutter 1 2 1 2 2 1...
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Страница 241: ...Chapter 7 Image Formation...
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Страница 295: ...Chapter 8 Pickup Feeding System...
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Страница 353: ...Chapter 9 Fixing System...
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Страница 379: ...Chapter 10 External and Controls...
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Страница 394: ...Chapter 10 10 10 F 10 7...
Страница 417: ...Chapter 11 MEAP...
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Страница 467: ...Chapter 12 RDS...
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Страница 479: ...Chapter 13 Maintenance and Inspection...
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Страница 497: ...Chapter 14 Standards and Adjustments...
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Страница 527: ...Chapter 15 Correcting Faulty Images...
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Страница 561: ...Chapter 16 Self Diagnosis...
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Страница 585: ...Chapter 17 Service Mode...
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Страница 588: ...Contents 17 8 1 1 COPIER Items 17 94...
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Страница 689: ...Chapter 18 Upgrading...
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Страница 696: ...Chapter 18 18 4...
Страница 713: ...Chapter 18 18 22 formatting and download the system software once again...
Страница 726: ...Chapter 19 Service Tools...
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Страница 728: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools Table 19 1 19 1 2 Solvents Oils 19 2...
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Страница 734: ...Sep 7 2007...
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