Canon imagePRESS C1 Service Manual - page 977
Chapter 16
16-80
7. V-CONT
T-16-78
8. PASCAL
T-16-79
BLANK-C4
Set a lead edge margin for Cassette 4.
Adjustment method
- When you executed 'RAM clear' for the main controller PCB or replaced the SRAM PCB, enter
the value indicated in the service label.
1
Adjustment range: -35 to +35
[Factory setting value: Factory adjustment value / Value after RAM clear: 0]
BLANK-PD
Set a lead edge margin for the side paper deck
Adjustment method
- When you executed 'RAM clear' for the main controller PCB or replaced the SRAM PCB, enter
the value indicated in the service label.
1
Adjustment range: -35 to +35
[Factory setting value: Factory adjustment value / Value after RAM clear: 0]
COPIER>ADJUST>V-CONT
Subheading Contents
Level
EPOTOEST
Electric potential offset value
1
Adjustment range: -100 to 100 (Unit: 1V)
[Factory setting value / Value after RAM clear: 0]
VCONT-Y/M/C/K
Adjust the target contrast electric potential (Y/M/C/K color).
Adjustment method
- The larger the setting value is, the darker the density is.
2
Adjustment range: -30 to 30 (Unit: 1V)
[Factory setting value / Value after RAM clear: 0]
Use of this mode must be avoided as much as possible when the machine has been operating
normally.
VBACK-Y/M/C/K
Adjust the electric potential (Y/M/C/K color) to eliminate fogging.
Adjustment method
- The larger the setting value is, the more fogging can be eliminated.
2
Adjustment range: -30 to 30 (Unit: 1V)
[Factory setting value / Value after RAM clear: 0]
Use of this mode must be avoided as much as possible when the machine has been operating
normally.
COPIER>ADJUST>PASCAL
Subheading Contents
Level
OFST-P-Y/M/C/K
Adjust the offset for the test print reading signal (Y/M/C/K color) at PASCAL control for
automatic gradation correction (full correction).
Adjustment method
- When you set a larger value, the image density after automatic gradation correction (full
correction) becomes darker.
1
Adjustment range: -128 to +128
Standard value: 0
COPIER>ADJUST>BLANK
Subheading Contents
Level