Chapter 7
7-4
F-7-4
7.4.2 Basics Sequence of Operations
0010-8040
iR7105 / iR7095 / iR7086
The following shows the basic sequence of operations and timing of operations associated with the machine's control system:
F-7-5
Primary charging wire
Potential control
Grid wire
Laser light
Developing cylinder
DC controller PCB
Laser driver PCB
High-voltage DC PCB
Potential controller PCB
Control signal
DC bias
DC bias
DC bias
Control signal
Detection control
J502A
J3
1
2
3
4
8
9
10
11
0 V
24 VU
POTENTIAL_SIG
POTENTIAL_ON
Drum surface potential measurement value
When '1', potential sensor goes on
WMUPR
WMUP
STBY
193
198
Drum motor(M0)
Primary charging bias(DC)
Developing bias(AC)
Developing bias(DC)
Grid bias
Laser
Potential stabilization sequence
Potential control
Potential control for
transparency mode
Optimum grid
bias determined
Optimum laser
output determined
Optimum laser
output determined
Fixed value
Performs a series of charging operations to stabilize the drum potential.
Uses the potential control mechanism that is used
when the main power switch is turned on.
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 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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