Ricoh D131 Service Manual page 1321

Fold Unit
5. Open the front door and pull the stapler unit [A] out of the finisher.
6. Open the guide plate [B].
7. Loosen the adjustment screw [C] and then tighten until it stops. (Do not over tighten.)
8. Remove the lock screw [D].
9. Raise the tip [E] of the adjustment screw very slightly and allow it to descend under its
own weight.
10. Push the stapler unit into the finisher and close the front door.
11. Do a folding test.
Switch the copier on.
Put one page of A3 or DLT paper in the ARDF.
On the copier operation panel, select booklet stapling.
Press [Start]. One sheet is folded.
12. Remove the sheet from the lower tray.
13. Hold the folded sheet with the creased side pointing down and face-up (the same way
that it came out of the finisher).
14. Referring to the diagram, determine if the skew is + [F] or - [G].
SM 15 B804/B805/D373/D374/D612