Ricoh MP C2504 Field Service Manual page 788

SC No. Type
SC151-00 D
Error Name/Error Condition/Major Cause/Solution
Black Level Error: Side 2
The black level scanned is not specified range.
• CIS for SPDF 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.
Service Call 101-195
779