Ricoh A163 Service Manual page 110

3.5.2 Bias Voltage for Non-image Area
ADJUSTMENT STANDARD: dc --200 ± 10V
1. Access SP mode and select No. --21.
2. Press the
3. Check the multimeter. If the voltage is not that of the standard voltage, press
the
keys.
4. If the voltage is within the standard, press the
A163
key to turn on the bias voltage.
key and then change the voltage using
5-12
and
key.
FSM