Ricoh MP C3004 Field Service Manual page 872

6. Troubleshooting
SC No.
SC No.
SC142-00
864
Type Error Name/Error Condition/Major Cause/Solution
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 following connectors;
• Scanner Carriage - IPU harness (FFC)
• IPU- BCU harness
2. Replace the Scanner Carriage.
3. Replace the IPU.
4. Replace the following harnesses;
• Scanner Carriage - IPU harness (FFC)
• IPU - BCU harness
5. Replace the BCU.
Type Error Name/Error Condition/Major Cause/Solution
D White level detection error
The white level cannot be adjusted to the second target level within the
target during auto gain control.
• Scanner Carriage defective
• IPU defective
• Harness defective
• Connector defective (disconnected, loose)
• Condensation in scanner unit
• White plate dirty or installed incorrectly