Canon imagePRESS C1 Service Manual - page 991
Chapter 16
16-94
6. PASCAL
T-16-93
7. COLOR
T-16-94
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>COLOR
Subheading Contents
Level
ADJ-Y/M/C/K
Adjust the color balance for users. (Y/M/C/K color)
Adjustment method
- When you set a larger value, the image density becomes darker.
- When you set a smaller value, the image density becomes lighter.
1
Adjustment range
-8 to +8
[Factory setting value / Value after RAM clear: 0]
OFST-Y/M/C/K
Adjust the density and color balance of a bright section. (Y/M/C/K color)
Adjustment method
- When you set a smaller value, fogging is reduced.
1
Adjustment range
-32 to +32
[Factory setting value / Value after RAM clear: 0]
COPIER>ADJUST>V-CONT
Subheading Contents
Level