Chapter 7
7-10
F-7-14
SERVICE MODE:
- COPIER> OPTION> BODY> CNT-W/PR
(enabling/disabling density variable mode during printing)
0: corrects the target value to permit variation of density during printing. (default)
1: does not permit variation of density during printing.
F-7-15
2. Adjustment of Density During Printing (scanner input)
WMUPR
WMUP
STBY
193
198
Potential sensor
Laser
Grid bias
Vg
Vg
Pw
Pw Vdc
Potential control
sequence started
VD
VL
Selected potential
VD
correction
value
Vdc
correction
value
1
2
3
4
5
6
7
8
9
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.2
1.2
+40V
+20V
F
value
Density
Darker
Lighter
Increases the laser power
(i.e., increasing the contrast)
to enable reproduction of fine lines,
each as wide as the diameter of a
single toner particle.
Laser power
correction
value
The laser power reaches the upper limit,
causing the machine to correct the
developing bias and to increase the
contrast.
Corrects the laser power/developing
bias to suit the F value setting.
COPIER > OPTION > BODY > CNT-W/PR
Set
Potential
control
Printing
started
Main power switch
OFF/ON
F value
changed
A laser power output Vdc
suited to the F value setting
is used.
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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