Ricoh D131 Service Manual page 1514

FM6 Gate Fold
In Fold Method 6 (FM6):
The leading edge of the paper is stopped by Fold Stopper 1.
The paper flexes toward the nip of fold rollers
Fold Stopper 2 stops the paper and flexes it into the nip of fold rollers
Fold rollers and
Fold Stopper 3 stops the paper and flexes it into the nip of fold roller
Fold roller and form the third crease and feed the folding paper into the exit path.
All three stoppers are used with this method.
A mechanism is provided to prevent the leading edge from catching and folding over on itself
[A] when the 3rd fold is done.
SM
perform the second fold and feed the folded paper to Stopper 3.
121
Paper Folding
and which performs the first fold.
and
and
.
.
D454/D615