Ricoh D131 Service Manual page 517

SC700: Peripherals
SC720-44 B
SC720-52 B
SC720-53 B
SC720-55 B
D131/D132/D133
Finisher corner stapler motor error (D611/D612)
The stapler motor does not switch off within the prescribed time
after operating. The 1st detection failure issues a jam error, and the
2nd failure issues this SC code.

Staple jam

Number of sheets in the stack exceeds the limit for stapling

Stapler motor disconnected, defective
Finisher folder plate motor error (D612)
The folder plate moves but is not detected at the home position
within the specified time. The 1st detection failure issues a jam
error, and the 2nd failure issues this SC code.

Folder plate HP sensor disconnected, defective

Folder plate motor disconnected, defective

Folder plate motor overloaded due to obstruction.
Folding unit bottom fence lift motor (D612)
The 1st detection failure issues a jam error, and the 2nd failure
issues this SC code.

Motor harness disconnected, loose, defective

Motor defective
Clamp roller retraction motor error (D612)
The 1st detection failure issues a jam error, and the 2nd failure
issues this SC code.

Motor harness disconnected, loose, defective

Motor defective
2-50 SM Appendix