Canon iR7086 Series Service Manual page 622

Chapter 17
*: model equipped with DADF-Q1 (outside Japan: iR7105/7095; inside Japan: All model).
**: model equipped with DADF-M1 (outside Japan: iR7086).
Sub item
CCD, shading-related adjustment
DFTAR-G ** Use it to enter the shading target value for green for ADF mode.
Procedure
Execute the following: COPIER > FUNCTION > CCD > DF-WLVL1/DF-WLVL2. Thereafter, if an image fault occurs, enter the value
indicated on the service label.
range: 0 to 2047
<LASER>
Laser Output Adjustment
Sub item
Laser output adjustment
PVE-OFST Use it to adjust the laser A/C emission position.
range: -300 to 300
Usage:
By setting the value larger, the exposure point shift toward the rear. On the other hand, it shifts toward the front by setting the value
smaller.
MEMO:
- Do not use with the normal service.
- The laser B emission position moves in keeping with laser A, while the laser D emission position moves in keeping with laser C.
LA-PWR-A Use it to enter the laser A power adjustment value.
range: 0 to 255 [Default: 128]
MEMO:
- Do not use with the normal service.
- The item is enabled only when PO-CNT is '0' (COPIER > OPTION > BODY > PO-CNT).
LA-PWR-B Use it to enter the laser B power adjustment value.
range: 0 to 255 [Default: 128]
MEMO:
- Do not use with the normal service.
- The item is enabled only when PO-CNT is '0' (COPIER > OPTION > BODY > PO-CNT).
LA-PWR-C Use it to enter the laser C power adjustment value.
range: 0 to 255 [Default: 128]
MEMO:
- Do not use with the normal service.
- The item is enabled only when PO-CNT is '0' (COPIER > OPTION > BODY > PO-CNT).
LA-PWR-D Use it to enter the laser D power adjustment value.
range: 0 to 255 [Default: 128]
MEMO:
- Do not use with the normal service.
- The item is enabled only when PO-CNT is '0' (COPIER > OPTION > BODY > PO-CNT).
<DEVELOP>
Developing Bias Output Adjustment
MEMO:
At times, the value indicated for the following items may differ before and after input (maximum of +/-3). The fact has to do with how the indication values
are computed, and will not affect the operation of the machine.
Sub item
DE-DC Use it to enter the developing DC bias output value for when an image is being formed.
range: 0 to 600 (V)
Do not use with the normal service.
MEMO:
The item is enabled only when PO-CNT is '0' (COPIER > OPTION > BODY > PO-CNT).
17-34
COPIER > ADJUST > CCD
Description
T-17-19
COPIER > ADJUST > LASER
Description
T-17-20
COPIER > ADJUST > DEVELOP
Description
Level
1
Level
1
1
1
1
1
Level
1