Ricoh Pro 8300S - Drum Motor Error; Sc395-00

1.SC Codes
69
Solution
1. Check whether the potential sensor (SEN5) is properly connected.
Inspect and reconnect the potential sensor (SEN5) connector.
2. Replace the potential sensor (SEN5).
3. Replace the potential sensor (SEN5) harness if it is damaged.
SC395-00
Error Name
Drum Motor Error
Pattern
D
Error Condition
An error signal was detected from the drum motor (BLM1).
Motor Lock Signal Criteria:
 Rpm of the motor deviates from the target value by more than ±6.25%: not the rated rotation.
 Rpm of the motor deviates from the target value by less than ±6.25%: rated rotation.
Major Cause
 There is excessive torque on the drum (overload due to the cleaning blade getting caught).
 Drum motor connector is not connected.
 Drum motor (BLM1) is defective.
 Harness is damaged.
 IOB is defective.
Solution
1. Check where the abnormal increase in torque on the drum has occurred.
This may be caused by overload due to the cleaning blade getting caught.)
2. Check whether the drum motor connector harness and the IOB connector harness are properly
connected.
3. Replace the drum motor (BLM1).
4. Replace the drum motor harness (if the harness is damaged or there is pressure contact failure).
5. Replace the IOB.