Minolta CF910 Service Manual page 404

9. C3090 (M3's Failure to Turn)
• PC Drum Charge Wire Cleaning Motor
M3
Step
1 Does M3 turn when the Start key is
pressed?
2 Do PJ9L-1 and -2 on PWB-L output as fol-
lows when the Start key is pressed?
PJ9L-1
PJ9L-2
Possible Defective Components
Check Item
Forward Backward
Rotation Rotation
DC12V ———
——— DC12V
T-38
• Power Supply Board PWB-L
• Master Board PWB-I
1154C15TAA
Result
NO Check for loose connectors.
NO Change PWB-L.
Action