Paper Folding
SM 109 D454
Multi-Folding
Unit FD5000
D454
FM5 Double Parallel Fold
In Fold Method 5 (FM5):
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 crease and feed the folded paper in exit path.
Fold Stopper 3 is not used.
FM3, FM4, and FM5 follow the same sequence but the resultant fold is different:
In FM5 Fold Stopper 1 is positioned so the paper will fold into halves when it enters the
first nip.
This critical positioning of Fold Stopper 1 accounts for the difference in folding at the
next nip.
FM6 Gate Fold
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