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DUPLEX
12 February 1992
13. DUPLEX
13.1 OVERVIEW
[A]
[I]
[E]
[C]
[G]
[D]
[H]
[F]
[B]
The duplex tray unit is used for multiple 2-sided, single 2-sided, and single
image overlay copying.
When the registration clutch turns on, the junction gate [A] rotates up to direct
the copy to the duplex tray. Shortly after the fusing exit sensor detects the
lead edge of the paper, the entrance roller [B] and duplex feed roller [C] start
to rotate. At the same time, the duplex bottom plate [D] lowers.
13.1.1 Multiple 2-sided Copy
In multiple 2-sided copying mode, the turn gate [E] rotates up to direct the
copy to the duplex stack section [F].
After the copy is delivered to the duplex stack section, the jogger fences [G]
and end fence [H] move inward to square the copy stack, then the jogger
side fences move back 5 mm and the jogger end fence moves back 8 mm.
After the final copy is delivered to the stack section, the jogger and end
fences remain against the paper stack.
Soon after the final copy is squared by the jogger and end fences, the duplex
bottom plate raises up to the final position and the duplex feed rollers start
rotating counterclockwise (front view) to feed the copy to the relay rollers [I].
Second side copying is then made with the copy following the upper paper
tray feed station paper path.
2-104
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