Ricoh Pro 8300S - Sc590-02; Stepper Motor Error (DRB Board)

1.SC Codes
184
(This SC is not detected if the front door is open.)
Major Cause
 Connector is not connected properly.
 Motor is defective.
 Control board is defective.
 Harness between the board and the motor is defective.
Motors:
 1st Paper Feed Motor (STM5)
 1st Grip Motor (STM6)
 2nd Paper Feed Motor (STM7)
 2nd Grip Motor (STM8)
 3rd Paper Feed Motor (STM9)
 3rd Grip Motor (STM10)
 Vertical Transport Motor (STM11)
 Exit Motor (STM12)
Solution
Be careful not to bend the pins of the connector.
1. Locate the failed motor using Output Check.
(Continue to the next step even if you can not find the motor.)
2. Check the connection.
Reconnect the connectors (RYB, IOB, corresponding motor).
3. Replace the motor.
4. Replace the RYB.
5. Replace the IOB.
6. Replace the harness between the IOB, the RYB, and the motor.
SC590-02
Error Name
Stepper Motor Error (DRB Board)
Pattern
D
Error Condition
The stepper motor controlled by the DRB has failed.
(This SC is not detected if the front door is open.)