Ricoh D009 Service Manual page 261

The clamp roller movement is not finished within a certain time.
The 1st detection failure causes a jam error, and the 2nd failure causes this
SC code.
Motor harness loose, broken
Motor drive obstructed
Motor defective
Stack junction gate motor error
The stack junction gate motor moves but the stack junction gate is not
detected at its position within a specific time.
The 1st detection failure causes a jam error, and the 2nd failure causes this
767 B
SC code.
Motor broken
Motor connection loose
Motor overloaded
Bridge unit error
The machine recognizes the finisher, but does not recognize the bridge unit.
791 D
Defective connector
Broken harness
Finisher error
The machine does not recognize the finisher, but recognizes the bridge unit.
792 B
Defective connector
Defective harness
Incorrect installation
SM 4-35
SC Tables: SC7xx -2
D009/D011/D012/D013