Ricoh D131 Service Manual page 528

Shift jogger retraction motor error (D610)
The side fences do not retract within the prescribed time after the
SC722-74 B
retraction motor switches on. The 1st detection failure issues a jam
error, and the 2nd failure issues this SC code.
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Return roller motor error (D610)
SC722-75 B
Occurs during the operation of the lower tray pressure motor.
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Finisher staple trimming hopper full (D610)
SC722-80 B
The staple waste hopper is full of cut staples.
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Finisher transport motor error (D610)
SC722-81 D
The encoder pulse of the finisher transport motor does not change
state (high/low) within 600 ms and does not change after 2 retries.
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SM Appendix
Motor harness disconnected, loose, defective
Motor defective
Motor overload
HP defective
Motor harness disconnected, loose, defective
Motor overloaded
Home position sensor harness disconnected, loose, defective
Home position defective
If the hopper is full, empty the hopper
If the hopper is not full, the hopper full sensor is disconnected,
defective
Finisher transport motor defective
Transport motor harness disconnected, or defective
Finisher main board defective
2-61
SC700: Peripherals
D131/D132/D133