Negative Developer Bias For Toner Supply Roller - KIP 9000 Service Manual

(2) Negative Developer Bias for Toner Supply Roller

The standard value of Negative Developer Bias outputted to the Toner Supply Roller is -350V
+/-3V against the Negative Developer Bias of Developer Roller.
Check and adjust it in the following way.
1. Connect "+" of the multi-meter to "Output 1" on the BIAS and "-" to the "Output 2".
Select the DC volt range on the multi-meter.
VR4 VR3 VR6 VR5
Output 4
Toner Supply Roller
CN401
1
Output 3
4-87
CN402 CN403
1 1
VR1 VR8 VR7
VR2
Output 2
Multi-meter
(DC volt range)
Output 1
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