Canon iR C3200 Series Service Manual page 1083

18.4.3.1.2 V-CONT
VCONT-Y/M/C/K
- VCONT-Y/M/C/K (Used to adjust electric potential for image contrast.)
Adjustment range: -30 to 30 (10 V units) (Value at time of factory shipment/value after RAM clear: 0)
The larger the setting value, the higher the density.
Whenever possible, avoid using this setting during normal operation.
VBACK-Y/M/C/K
- VBACK-Y/M/C/K (Used to adjust electric potential for removing image fog.)
Adjustment range: Y/M -6 to 12 (5 V units) (Value at time of factory shipment/value after RAM clear: 0)
C/K -12 to 6 (5 V units) (Value at time of factory shipment/value after RAM clear: 0)
The larger the setting value, the more fog is reduced.
Whenever possible, avoid using this setting during normal operation.
VD-LIM-Y
Adjusting the upper limit of charge DC.
Adjustment range:
-10 to 0 (1 step: 25V) [Factory default/After RAM clear:0]
Change a setting value when either of the following faulty images occurs.
- Color blanking in the highlight area (especially on low-density image)
- Fogging (when making a large number of low-density image copies)
VD-LIM-M
Adjusting the upper limit of charge DC.
Adjustment range:
-10 to 0 (1 step: 25V) [Factory default/After RAM clear:0]
Change a setting value when either of the following faulty images occurs.
- Color blanking in the highlight area (especially on low-density image)
- Fogging (when making a large number of low-density image copies)
VD-LIM-C
Adjusting the upper limit of charge DC.
Adjustment range:
-10 to 0 (1 step: 25V) [Factory default/After RAM clear:0]
Change a setting value when either of the following faulty images occurs.
- Color blanking in the highlight area (especially on low-density image)
- Fogging (when making a large number of low-density image copies)
VD-LIM-K
Adjusting the upper limit of charge DC.
Adjustment range:
-10 to 0 (1 step: 25V) [Factory default/After RAM clear:0]
Change a setting value when either of the following faulty images occurs.
- Color blanking in the highlight area (especially on low-density image)
- Fogging (when making a large number of low-density image copies)
Chapter 18
0001-2375
0006-0862
0007-6165
0007-6166
0007-6168
0007-6169
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