Canon imagePRESS C1 Service Manual - page 1002
Chapter 16
16-105
F-16-27
3. LASER
It is an adjustment item at the time of shipment; thus, it is not adjusted at the filed service.
T-16-105
4. IMG-REG
DFTAR-R
Enter a shading target value (RED color) when DF is used (normal document reading position).
Adjustment method
- When an error occurred to an image (caused by dirt on the chart, etc.) after executing
COPIER>FUNCTION>CCD>DF-WLVL1/DF-WLVL2, enter a factory measurement value
using this mode.
- 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: 1 to 2047
[Factory setting value: Factory adjustment value / Value after RAM clear: 1159]
When you changed the setting value for this item, write down the changed value in the service
label.
DFTAR-G
Enter a shading target value (GREEN color) when DF is used (normal document reading
position).
Adjustment method
- When an error occurred to an image (caused by dirt on the chart, etc.) after executing
COPIER>FUNCTION>CCD>DF-WLVL1/DF-WLVL2, enter a factory measurement value
using this mode.
- 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: 1 to 2047
[Factory setting value: Factory adjustment value / Value after RAM clear: 1189]
When you changed the setting value for this item, write down the changed value in the service
label.
DFTAR-B
Enter a shading target value (BLUE color) when DF is used (normal document reading position).
Adjustment method
- When an error occurred to an image (caused by dirt on the chart, etc.) after executing
COPIER>FUNCTION>CCD>DF-WLVL1/DF-WLVL2, enter a factory measurement value
using this mode.
- 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: 1 to 2047
[Factory setting value: Factory adjustment value / Value after RAM clear: 1209]
When you changed the setting value for this item, write down the changed value in the service
label.
COPIER > ADJUST > LASER
Subheading
Contents Level
PVE-OFST
Offset from the center of laser (laser exposure position)
1
Setting range: -600 to 600
[Factory setting value: Factory adjustment value / Value after RAM clear: 0]
POWER
Set the laser power when electric potential control is turned off.
- 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: 0 to 255
[Factory setting value: Factory adjustment value / Value after RAM clear: 160]
COPIER > ADJUST > CCD
Subheading
Contents
Level
8 2 0 6 8 6 6 7 9 3 4 9
va l u e o f W- P L AT E - X
va l u e o f W- P L AT E - Y
va l u e o f W- P L AT E - Z