Canon imagePRESS C1 Service Manual - page 975
Chapter 16
16-78
5. DENS
T-16-76
6. BLANK
REG2-V-M
Make a coarse adjustment of the M color writing position in the sub scanning direction. (the
second image of the two images aligned on ITB)
Adjustment method
- When you increase the value by 1, the pattern moves to the trail edge.
- When you executed 'RAM clear' for the reader controller PCB or replaced the reader controller
PCB, enter the value indicated in the service label.
1
Adjustment range: -10 to 10 (Unit: 1 pixel)
[Factory setting value: Factory adjustment value / Value after RAM clear: 0]
Reference:
This mode is used to enter a factory adjustment value. Do not make an adjustment in the field.
COPIER>ADJUST>DENS
Subheading Contents
Level
SGNL-Y/M/C
Initial value of toner density signal (Y/M/C color)
Adjustment method
- When you executed 'RAM clear' for the reader controller PCB or replaced the reader controller
PCB, enter the value indicated in the service label.
1
Adjustment range: 200 to 800
[Factory setting value: Factory adjustment value / Value after RAM clear: 512]
REF-Y/M/C
Standard value of toner density signal (Y/M/C color)
Adjustment method
- When you executed 'RAM clear' for the reader controller PCB or replaced the reader controller
PCB, enter the value indicated in the service label.
1
Adjustment range: 462 to 562
[Factory setting value: Factory adjustment value / Value after RAM clear: 512]
P-SGNL-Y/M/C/K
Signal value of Y/M/C/K color toner density on the photosensitive drum when INIT is performed
Adjustment method
- When you executed 'RAM clear' for the reader controller PCB or replaced the reader controller
PCB, enter the value indicated in the service label.
1
Setting range: 150 to 800
[Factory setting value: Factory adjustment value / Value after RAM clear: 350]
ALF-F/C/R
Display/enter an alpha value of the patch detection sensor. (Front/Center/Rear)
Function to adjust variations in a single patch detection sensor. (Front/Center/Rear)
1
Setting range: 200 to 2000
Standard value: 1000
P-TG-Y/M/C/K
Adjust the offset of the target value for the patch detection ATR control (Y/M/C/K color).
Adjustment method
When the patch detection ATR control is performed, set an offset value of the target value for the
Y/M/C/K color patch image density.
2
Setting range: -108 to 108
[Factory setting value: Factory adjustment value / Value after RAM clear: 0]
COPIER>ADJUST>IMG-REG
Subheading Contents
Level