Minolta CF910 Service Manual page 406

C0210
Step
1 Is the housing dirty, the high-voltage con-
tact deformed, or the wire dirty or snapped
off?
2 Does the voltage across PJ15IB-9 on
PWB-I and GND remain DC0V after the
Image Transfer Corona output has been
turned ON?
C0240/C0241
Step
1 Is the developing bias being output?
2 Is the high-voltage contact deformed or
dirty?
3 Does the voltage across PWB-I and GND
remain DC0V after the developing bias
output has been turned ON?
Y: PJ8IB-11, M: PJ8IB-12, C: PJ8IB-13
BK: PJ8IB-10.
Check Item
Check Item
T-40
Result
YES Clean or change the defective
part.
YES Change HV3.
NO Change PWB-I.
Result
NO Check the wiring.
YES Clean or change the defective
part.
YES Change HV3.
NO Change PWB-I.
Action
Action