Ricoh Pro 8300S - Sc471-02; Steering Control Homing Error

1.SC Codes
78
Error Condition
Image transfer belt shifted out of position when running.
Major Cause
 Image transfer belt is worn out (stretched or distorted)
 There is increased load on the belt due to fault or defect in units adjacent to the image transfer belt.
 Steering control unit is defective (wire disconnected or parts deformed).
 Electrical components are defective:
 Belt centering motor (STM2)
 Belt centering roller HP sensor (SEN3)
 Belt centering sensor (SEN96)
 Error occurred in the ITB Unit.
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 to 5.
2. Resolve excess load of units adjacent to the image transfer belt (drum, PTR unit, ITB cleaning
unit).
3. Replace the steering control.
4. Replace the electrical components.
 Belt centering motor (STM2)
 Belt centering roller HP sensor (SEN3)
 Belt centering sensor (SEN96)
5. Replace the ITB Unit.
SC471-02
Error Name
Steering Control Homing Error
Pattern
D
Error Condition
Steering control cannot be initialized.
Major Cause
 Steering control unit is defective (wire disconnected or mechanical parts deformed).
 Electrical components defective
 Belt centering motor (STM2)
 Belt centering roller HP sensor (SEN3)