3) Execute SIM 8-1.
(AR-250/280/281/285/286/336/405)
(AR-287/337/407)
(AR-501/505/507)
The DV bias can be measured without installing the OPC drum
and the developing unit.
4) When the output voltage is within the adjustment range, change
the displayed value and adjust. (1 step: about 1 V)
Adjustment range
Others
AR-501/
505/507
Developing negative bias voltage (Auto)
–500
±
5V
–425
±
5V
Developing negative bias voltage
(Character)
–500
±
5V
–500
±
5V
Developing negative bias voltage
(Character, Photo)
–500
±
5V
–500
±
5V
Developing negative bias voltage
(Photo)
–500
±
5V
–500
±
5V
Developing negative bias voltage
(Toner save)
–450
±
5V
–500
±
5V
Developing bias (Printer)
–500
±
5V
–500
±
5V
Developing positive bias voltage
+150
±
5V
+150
±
5V
(The value and the output voltage may not coincide.)
(4) Main charger grid voltage adjustment
1) Install the DV unit, the drum holder unit, and the charger units to
the copier.
2) Turn on the main switch, and execute SIM 8-2 to check the grid
voltage set value.
(AR-250/280/281/285/286/335/336/405)
(AR-287/337/407)
6 – 3
7/13/2000
Summary of Contents for AR-250
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