Minolta CF910 Service Manual page 397

3-2. Troubleshooting Procedures
(1) C00 , C0100, C309 , C30A (Drive System Malfunctions)
1. C0000 (M15's Failure to Turn)
C0001 (M15 Turning at Abnormal Timing)
• Paper Take-Up Motor M15
Step
1 Is the malfunction code C0000 shown?
2 Does M15 turn when the Start key is
pressed?
3 Does the voltage across PJ6I-1 on PWB-I
and GND change from DC5V to DC0V
when the Start key is pressed?
4 Does the voltage across PJ6I-3 on PWB-I
and GND remain DC5V when the Start
key is pressed?
5 Does the voltage across PJ6I-1 on PWB-I
and GND remain DC0V when the Start
key is pressed?
6 Does the voltage across PJ6I-3 on PWB-I
and GND remain DC0V when the Start
key is pressed?
Possible Defective Components
Check Item
T-31
• Master Board PWB-I
1154C08TAA
Result
NO Go to step 5.
YES Check rollers, gears, etc. for
overload.
NO Change PWB-I.
YES Change M15.
NO Change PWB-I.
NO Change PWB-I.
YES Change M15.
NO Change PWB-I.
Action