Ricoh Pro 8320 - Bridge Unit: Downstream Device Communication Error; Overcurrent Protection Device Error 2 (Bridge Unit); Sc761-01; Sc761-61

1.SC Codes
579
SC761 to 790
SC761-01
Error Name
Bridge Unit: Downstream Device Communication Error
Pattern
D
Error Condition
The bridge unit cannot communicate with the downstream device.
Major Cause
 Power of downstream device is not turned on.
 Interface cable (between bridge unit and downstream device) connector is disconnected or
damaged.
 Bridge unit board defective
 Downstream device board defective
Solution
1. Check that the downstream device is ON.
2. Check the downstream power cord connection.
3. Check the interface cable between the downstream unit and the bridge unit.
4. Replace the interface cable.
5. Replace the downstream device PCB.
6. Replace the bridge unit PCB.
SC761-61
Error Name
Overcurrent Protection Device Error 2 (Bridge Unit)
Pattern
D
Error Condition
The fuse blew on the PCB.
Major Cause
 Power of downstream unit is not on.
 Bridge unit board defective