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15 July 1996
[C]
[D]
A176D640.wmf
[A]
[G]
When the duplex entrance sensor [A] detects the trailing edge of the last
paper, the pressure solenoid [B] turns off to raise the pressure arm [C].
200 ms after the duplex entrance sensor [A] detects the leading edge of the
paper, the duplex feed clutch [D] turns off and the paper is transported by the
duplex transport rollers [E].
When the paper activates the duplex exit sensor [F], the duplex transport
clutch [D] turns off and the paper waits there until the feed timing is adjusted
to match the registration clutch on timing of the previous paper.
The duplex paper end sensor [G], which is a reflective type photo sensor,
detects the duplex paper end condition.
[B]
[A]
[E]
[F]
2-107
DUPLEX
[G]
A176D641.wmf
A176D642.wmf
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