Ricoh Pro 8300S - ADF Communication Error 1; Sc620-01

1.SC Codes
191
Major Cause
 Power of downstream unit is not turned on.
 Downstream unit power cable is not connected properly.
 I/F harness connector connecting to the downstream unit is not connected properly.
 I/F harness connector connecting to the downstream unit is not connected properly.
 Control board of downstream unit is defective.
 Buffer pass unit control board is defective.
Solution
1. Downstream unit power cable not connected properly
Make sure that the cable is connected properly.
2. I/F harness connector connecting to downstream unit not connected properly
Make sure that the connector is connected properly.
3. Replace the I/F harness connector connecting to the downstream unit.
4. Replace the control board of the downstream unit.
*This applies when SC occurs in the same way as before you replace the board.
5. Replace the buffer pass unit control board.
SC620-01
Error Name
ADF Communication Error 1
Pattern
D
Error Condition
An error signal is detected during communication between the ADF and the main machine (BiCU) after
the machine starts up.
Major Cause
1. Connector is not connected properly.
2. ADF and the BiCU are not connected properly.
3. ADF control board is defective.
4. BiCU is defective.
Solution
1. Check if the connector is connected properly.
Reconnect the connectors (ADF, BiCU).
(Be careful not to bend the pins of the connector.)
2. Replace the harness between the ADF and the BiCU.