Duplex Paper Feed - Ricoh FT6645 Manual

23 April 1993 DUPLEX

8.6 DUPLEX PAPER FEED

[B]
[A]
[D]
[B]
[E]
[C]
[F]
The paper on the duplex tray is fed in order from the bottom to the top sheet.
After all copies are stacked on the duplex tray, the duplex pressure solenoid
[A] turns on to lower the pressure arm [B] so that the pressure arm presses
the paper against the pick up roller [C].
Then, the paper feed clutch [D] turns on to rotate the pick-up roller [C],
separation belts [E] and the feed roller [F].
The separation belts [E] and the feed roller [F] rotate in opposite directions.
Only the bottom paper is fed because the separation belt prevents any other
paper from feeding.
The feed roller advances the bottom paper past the separation belts because
the force of the feed roller is greater than the resistance of the separation
belts. The separation belts prevent multiple feeds because the resistance of
the separation belt is greater than the friction between the papers.
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