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PTM 6-21 B070/B071
6.5.14 FINAL FOLDING AND FEED-OUT
When the finisher is ready to feed out the first stapled booklet, the lower tray [A]
descends past the pressure plate slot [J], the spring-loaded arms inside the lower
tray snap into the grooves on the side fence, and the springs push the arms
against the bottom of the support wing [B] to raise it.
Then, before the first stapled booklet falls from the slot above, the pressure plate
motor [E] (stepper motor) rotates the gear and cam [D] counter-clockwise to extend
the pressure plate [C]. The lower tray then raises and pushes the pressure plate up
until the actuator [F] actuates the pressure plate lift sensor [G] and switches off the
lower tray lift motor.
Then, the folded and stapled booklet comes out of the booklet exit slot, actuates
the booklet exit sensor, and falls onto the pressure plate below. The actuated
booklet exit sensor switches on the pressure plate motor, which rotates the gear
and cam clockwise to retract the pressure plate. The motor rotates until the
actuator on the rim of the cam actuates the pressure plate HP sensor [H] and stops
the motor. Retracting the pressure plate allows the stapled booklet to fall past the
pressure plate slot onto the stack below.
Next, the pressure plate motor switches on again to extend the pressure plate,
while the lower tray raises and pushes the folded and stapled edges of the booklets
up against the pressure plate until the actuator [F] actuates the pressure plate lift
sensor [G] and switches off the lower tray lift motor. The booklets remain pressed
between the extended pressure plate and lower tray until the next booklet is fed
out.
The pressure plate limit switch [ I ] switches off the lower tray lift motor if the
pressure plate lift sensor fails.
B468D023.WMF
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]