
8. SECOND SIDE COPY
2,350 milliseconds after the duplex turn sensor is actuated by the leading
edge of the final copy in the first side copy run, the duplex feed motor [A]
reverses direction and rotates clockwise (front view), rotating the duplex feed
roller [B] counterclockwise (front view). This moves the flip mylar [C] back to
the right (front view). At the same time the cam clutch [D] rotates clockwise
(front view), raising the duplex bottom plate [E].
The paper feed system, which consists of the duplex feed roller [B] and the
friction roller [F], feeds only the top sheet of the stack copies to the relay
rollers [G] in the copier. After that, the second side copies follow the second
feed station paper path.
After the final copy leaves the duplex bottom plate, the paper end feeler [H]
drops through a slot in the duplex bottom plate.The paper end actuator [I],
which is on the same shaft as the paper end feeler, pivots into the duplex
paper end sensor [J], sending a High signal to the main board to stop the
next paper feeding cycle.
[G]
[C]
[B]
[F]
[A]
[D][E]
[H]
[I] [J]
1 December 1990
10-10
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