Paper Folding
SM 121 D454/D615
Multi-Folding
Unit
D454/D615
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 { and | which performs the first fold.
Fold Stopper 2 stops the paper and flexes it into the nip of fold rollers | and }.
Fold rollers | and } perform the second fold and feed the folded paper to Stopper 3.
Fold Stopper 3 stops the paper and flexes it into the nip of fold roller ~ and .
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.
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