Details
D454/D615 122 SM
Operation sequence for folding three sheets:
At power on (initialization) the FM6 junction gate [A] moves to home position.
The three sheets are pre-stacked then the first two folds are done
The FM6 stop pawl moves to the operation position [B].
[A] After the 2nd fold the sheet(s) are sent to the 3rd stopper for the last fold.
[B]
The leading edge of the sheets(s) hit stopper 3 and the upstream rollers continue
rotate (equivalent to 18 mm of feed) to flex paper toward the fold rollers.
[C]
The edge of the FM6 pawl is raised to flatten the leading edge so it cannot bend
back on itself as the paper enters the nip of the fold rollers.
[D] When the 3rd fold starts the FM6 pawl returns to its home position.
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