Minolta CF910 Service Manual page 398

2. C0010 (M18's Failure to Turn)
C0011 (M18 Turning at Abnormal Timing)
• PC Drum Drive Motor M18
Step
1 Is the malfunction code C0010 shown?
2 Does M18 turn when the Start key is
pressed?
3 Does the voltage across PJ8I-1B on
PWB-I and GND change from DC5V to
DC0V when the Start key is pressed?
4 Does the voltage across PJ8I-4B on
PWB-I and GND remain DC5V when the
Start key is pressed?
5 Does the voltage across PJ8I-1B on
PWB-I and GND remain DC0V when the
Start key is pressed?
6 Does the voltage across PJ8I-4B on
PWB-I and GND remain DC0V when the
Start key is pressed?
Possible Defective Components
Check Item
T-32
• Master Board PWB-I
1154C09TAA
Result
NO Go to step 5.
YES Check rollers, gears, etc. for
overload.
NO Change PWB-I.
YES Change M18.
NO Change PWB-I.
NO Change PWB-I.
YES Change M18.
NO Change PWB-I.
Action