Sc161-02; Ipu Error (Lsync Abnormal) (Back) - Ricoh Pro 8300S Troubleshooting Manual

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 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.

SC161-02

Error Name

IPU Error (LSYNC abnormal) (Back)

Pattern
D
Error Condition
This error is detected when the IPU self-diagnosis test is conducted before back side scanning so that
the self diagnosis detects an error occurring.
Major Cause
1. CIS and IPU (or BiCU) not connected correctly or defective
2. CIS/back side relay board defective
3. IPU (or BiCU) board defective (ASIC (Macaron) failure, etc.)
Solution
1. Reconnect the connectors.
Check that the following connector is properly connected:
CIS-IPU/BiCU harness connector
Reconnect the connector if necessary.
2. Replace the CIS.
3. CIS and IPU (or BiCU) not connected correctly or defective
Replace the cables between the CIS and IPU/BiCU.
1.SC Codes
45