Ricoh Pro 8300S - Sc485-00; Waste Toner Collection Motor Error

1.SC Codes
81
Error Condition
An error occurs with the drum cleaning motor (BLM2).
 Mask time at start-up: 1000 ± 20 (msec)
 Detection time during rated rotation: 1000 ± 20 (msec)
 Sampling times: 100 ± 20 (msec/times)
 SC level (Stop method): immediate stop
Major Cause
 There is excessive torque on the drum cleaning unit (such as overload due to locked bearing).
 Motor connector is disconnected.
 Drum cleaning motor (BLM2) is defective.
 Harness is broken.
 IOB is defective.
Solution
1. Check if the drum cleaning unit is overloaded. (foreign objects in the unit, bearing locked or stuck)
2. Check the connector of development motor and the harness of the IOB connector (connector
floating or disconnected)
3. Replace the drum cleaning motor (BLM2).
4. Replace the harness of the drum cleaning motor.
5. Replace the IOB.
SC485-00
Error Name
Waste Toner Collection Motor Error
Pattern
D
Error Condition
An error occurs with the waste toner collection motor (BLM4).
 Mask time at start-up: 1000 ± 20 (msec)
 Detection time during rated rotation: 1000 ± 20 (msec)
 Sampling time: 100 ± 20 (msec/times)
 SC level (stop method): immediate stop
Major Cause
 There is excessive torque on the drum cleaning unit (such as overload due to locked bearing).
 Motor connector is disconnected.
 Waste toner collection motor (BLM4) is defective.