Canon iR7086, Service Manual

Page: 625 / 735

Chapter 17
17-37
T-17-23
COPIER > ADJUST > V-CONT
Sub item Description Level
- Enter the value indicated on the service label if you have replaced the DC controller PCB, initialized the RAM, or replaced the potential sensor
(EPOTOFST only).
- After changing the setting, opening/closing the front cover or turning the power OFF/ON in order to activate the potential control.
EPOTOFST Use it to enter the offset value of the potential sensor.
1
range: 0 to 30
- Input the value written in the service label when replacing the DC Controller PCB, clearing RAM, or replacing the potential
sensor.
- Use the item only when performing the foregoing operation. Do not use with the normal service.
VL-OFST Use it to enter the offset value of the potential control light area target potential.
1
range: -50 to 50 (V) [Default: 0V]
Usage:
- By setting the value larger, the image density becomes light. By setting the value smaller, it becomes dark.
- Input the value written in the service label when replacing the DC Controller PCB or clearing RAM.
- Use the item only when performing the foregoing operation. Do not use with the normal service.
VD-OFST Use it to enter the offset value of the potential control dark area target potential.
1
range: -50 to 50 (V) [Default: 0V]
Usage:
- By setting the value larger, the image density becomes dark. By setting the value smaller, it becomes light.
- When toner smearing image occurs, set a smaller value.
- Input the value written in the service label when replacing the DC Controller PCB or clearing RAM.
- Use the item only when performing the foregoing operation. DO not use with the normal service.
DE-OFST Use it to enter the offset value for potential control VDC.
1
range: -50 to 50 (V) [Default: 0V]
Usage:
- By setting the value larger, the degree of foggy increases. By setting the value smaller, the degree of foggy decreases.
- Input the value written in the service label when replacing the DC Controller PCB or clearing RAM.
- Use the item only when performing the foregoing operation. Do not use with the normal service.
- Select COPIER > OPTION > BODY > ACFRQNY/ACFRQ-R/ACFRQ-T to adjust the degree of foggy.
Execution of adjustment with this item involves the change in density; thus, do not use this item.