Ricoh Pro 8300S - Sc735-10; Trimming Blade Motor Error

1.SC Codes
298
3. Replace the controller board.
4. Replace the shift tray exit fans (M19, M20, M21, M22).
SC735-10
Error Name
Trimming Blade Motor Error
Pattern
B
Error Condition
 After start of trimming operation, the home position is not detected within the specified time. (This
SC is issued when the error was detected for the first time).
 When a JAM signal is sent due to overload during the trimming operation, the home position is not
detected within the specified time after reverse rotation operation starts. (Regardless of whether
recovery was successful or not, the first time: an SC is issued when the error was detected for the
first time)
 Time taken to return to home position during normal operation: approximately 3 sec (measurement
value)
Time-out: 5 sec
 Time taken to return to home position by reverse rotation when a JAM signal is generated due to
an overload: approximately 3 sec (reference value)
Time-out: 5 sec
Major Cause
 Power of downstream unit is not turned on.
 Trimming blade motor is defective.
 Connector is disconnected.
 There is overload.
 Trimming blade HP sensor is defective.
 Main board is defective.
Solution
1. Check all the connectors between the motor and the main board are completely connected. (not
disconnected or half-inserted)
Reconnect the connector if it is not connected correctly.
2. Check if the harness between the motor and the main board is damaged or exposed.
If so, replace the harness.
3. Check if there are any traces of short circuit on the main board. if so, replace the main board.