Ricoh Pro 8300S - FGATE off Error; Sc231-00

1.SC Codes
51
Major Cause
 BiCU and control board are not connected correctly
 Harness for the laser unit is not connected correctly
 BiCU is defective (image processing IC defective).
 LDB is defective (special IC defective).
 Control board is defective.
 Harness for the laser unit is defective.
Solution
1. BiCU and control board not connected correctly
Inspect and reconnect the unit (between the BiCU and the control board), and then check if the SC
reoccurs.
2. Harness for the laser unit not connected correctly
Inspect and reconnect the harness between the laser unit and the BiCU, and then check if the SC
reoccurs.
3. BiCU defective (image processing IC defective)
Replace the BiCU.
4. LDB defective (special IC defective)
Replace the laser unit.
5. Control board defective
Replace the control board.
6. Harness for the laser unit defective
Replace the harness between the laser unit and the BiCU.
SC231-00
Error Name
FGATE OFF Error
Pattern
D
Error Condition
Write ending signal did not turn OFF even at the time to end writing.
Major Cause
 BiCU and control board are not connected correctly.
 Harness for the laser unit is not connected correctly.
 BiCU is defective (image processing IC defective).
 LDB is defective (special IC defective).