Ricoh D131 Service Manual page 518

Stack junction gate motor error (D612)
SC720-57 B
Occurs during operation of the punch unit. The 1st detection failure
issues a jam error, and the 2nd failure issues this SC code.
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Booklet stapler motor error 1 (D612)
The front stapler unit saddle-stitch motor does not start operation
SC720-60 B
within the specified time. The 1st detection failure issues a jam
error, and the 2nd failure issues this SC code.
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Booklet stapler motor error 2 (D611/D612)
The rear stapler unit saddle-stitch motor does not start operation
SC720-61 B
within the specified time. The 1st detection failure issues a jam
error, and the 2nd failure issues this SC code.
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Rear motor overloaded due to obstruction
Finisher tray 1 (upper tray lift) motor error (D611/D612)
The upper tray paper height sensor does not change its status with
SC720-70 B
the specified time after the tray raises or lowers. The 1st detection
failure issues a jam error, and the 2nd failure issues this SC code.
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SM Appendix
Motor harness disconnected, loose, defective
Motor overload
Motor defective
Front motor disconnected, defective
Front motor overloaded due to obstruction
Rear motor disconnected, defective
Tray lift motor disconnected, defective
Upper tray paper height sensor disconnected, defective
Finisher main board connection to motor loose
Finisher main board defective
2-51
SC700: Peripherals
D131/D132/D133