Ricoh MP C2504 Field Service Manual page 789

6. Troubleshooting
SC No.
SC152-00
780
Type Error Name/Error Condition/Major Cause/Solution
D White Level Error: Side 2
• The shading data peak value read out from the CIS is not specified
range from the target value.
• CIS defective
• White roller defective
• SPDF main board defective
• Harness defective
Check if the SC occurs by turning the power OFF then ON. If the SC
occurs again, do the following steps. Check if the SC reoccurs by cycling
the power after each step.
1. Reconnect the SPDF main board - CIS connectors if they are
disconnected, or loose.
2. Replace the CIS for SPDF
3. Replace the following harnesses;
• SPDF main board - CIS
• IPU -SPDF main board
4. Replace the SPDF main board.