Ricoh MP C2504 Field Service Manual page 877

6. Troubleshooting
SC No.
SC667-01
SC No.
SC667-10
868
Type Error Name/Error Condition/Major Cause/Solution
D Master Device Mode Setting Error
The machine detects the CPU mode error when starting up, or recovery
from energy saver mode.
The following board defects (Parts implementation defect, solder scrap,
implemented parts defect, etc.);
• BCU
1. Turn the main power OFF/ON.
2. Replace the BCU.
Type Error Name/Error Condition/Major Cause/Solution
D Slave1 Device Mode Setting Error
The machine detects the Slave1 mode error when starting up, or recovery
from energy saver mode.
The following board defects (Parts implementation defect, solder scrap,
implemented parts defect, etc.);
• BCU
• Paper Transport IOB
1. Turn the main power OFF/ON.
2. Replace the Paper Transport IOB.
3. Reconnect the FFC between Imaging IOB and Paper Transport IOB.
4. Replace the harness between Imaging IOB and Paper Transport
IOB.
5. Replace the Imaging IOB.
6. Reconnect the harness between BCU and Imaging IOB.
7. Replace the harness between BCU and Imaging IOB.
8. Replace the BCU.