Ricoh Pro 8300S - Black Level Detection Error (Back); Sc151-00

1.SC Codes
43
Reconnect the following connectors:
SBU-BiCU harness (shielded cables/separate cables) connector
2. Replace the SBU board (lens block).
3. Replace the BiCU board.
4. Harness defective
Replace the harness between the SBU and BiCU (shielded cables/separate cables).
SC151-00
Error Name
Black Level Detection Error (Back)
Pattern
D
Error Condition
Error detection timing: before the CIS starts scanning
This error is detected when the black level is not within the acceptable range.
Acceptable range: 1 to 254 (10 bit)
Major Cause
1. Connectors are not connected properly.
2. CIS is defective.
3. ADF control board is defective.
4. Harness is defective.
Solution
1. Connectors not connected properly
Check that the following connectors are properly connected:
ADF control board-CIS harness (shielded cables/separate cables) connector
Reconnect the connector if necessary.
2. Replace the CIS.
3. Replace the ADF control board.
4. Harness defective
Replace the power/signal harness.
SC152-00
Error Name
White Level Detection Error (Back)