Exit Pawl Drive Mechanism - Ricoh C231 Service Manual

6.10.4 EXIT PAWL DRIVE MECHANISM

[B]
[A]
[E]
[G]
• During printing, the distance between the exit pawl [A] and the drum is very small,
to prevent paper wrap jams. However, when the master clamper [B] approaches
the exit pawl (as the drum turns), the pawl has to be moved away from the drum
to prevent it from being damaged by the master clamper. This is controlled by the
front drum flange [C], which is cam-shaped, and the cam follower [E] on the exit
pawl shaft.
• When the cam follower is not pushed out by the drum flange, the exit pawl
closely approaches the drum surface, due to the tension from a spring [G].
• As the master clamper approaches the exit pawl, the high point of the drum
flange cam [C] moves into contact with the cam follower [E] pushing it down. This
moves the cam follower arm [F] downwards. The pawl shaft turns clockwise to
move the pawl away from the drum.
SM
C267D023.WMF
[F]
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PAPER DELIVERY
[C]
[D]
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