Ricoh MP C2504 Field Service Manual page 790

SC No. Type
SC154-00 D
Error Name/Error Condition/Major Cause/Solution
Scanner Communication Error: Side 2
The value read out from the ASIC and FROM area inside the CIS is
different from the expected value.
• CIS defective
• "FROM" area error
• SPDF main board defective
• Connector defective (loose, broken)
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
781