Ricoh Pro 8310 - Belt Centering Sensor Error; Drum Cleaning Motor Error; Sc471-06; Sc480-00

1.SC Codes
80
3. Remove ITB Unit, and check the steering control unit.
If a wire is disconnected, connect it again.
If mechanical parts are deformed, replace them.
4. Replace the electrical components.
 Belt centering motor (STM2)
 Belt centering roller HP sensor (SEN3)
 Belt centering sensor (SEN96)
5. Replace the ITB Unit.
SC471-06
Error Name
Belt Centering Sensor Error
Pattern
D
Error Condition
The output signal of Belt Centering Sensor is below the prescribed value.
Major Cause
 Image transfer belt is not in the correct position.
 When SC 471-04 or -05 occurred, the power is turned on/off by mistake and the belt position
shifted further than normal.
 Belt centering sensor (SEN96) is loose or disconnected.
 Belt centering sensor (SEN96) is defective.
Solution
1. Perform the procedure in ITB Centering: SC471-03, -04, -05, -06 (ITB Position Errors).
If the SC reoccurs go on to Steps 2 and 3.
2. Reconnect the belt centering sensor (SEN96).
3. Replace the belt centering sensor (SEN96).
SC480-00
Error Name
Drum Cleaning Motor Error
Pattern
D