471-04: Image Transfer Belt Position Error 2; 471-05: Image Transfer Belt Position Error 3 - Ricoh Pro 8300S Troubleshooting Manual

Error occurred in the ITB Unit.

Solution
1. Remove the ITB unit, and check the steering control unit.
If a wire is disconnected, connect it again.
If mechanical parts are deformed, replace them.
2. Replace the electrical components.
Belt centering motor (STM2)

Belt centering roller HP sensor (SEN3)

3. Replace the ITB Unit.
SC471-04, 05
Error Name


471-04: Image Transfer Belt Position Error 2

471-05: Image Transfer Belt Position Error 3


Pattern
D
Error Condition
471-04: This SC occurs when the image transfer belt shifts too much to the front side of the

machine.
471-05: This SC occurs when the image transfer belt shifts too much to the rear side of the

machine.
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
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).
ITB Centering: SC471-03, -04, -05, -06 (ITB Position
1.SC Codes
Errors).
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