Ricoh BR-C1a Basic Service Training page 485

 The decurl feed motor [A] drives the rollers that feed paper
through the decurl unit.
 The decurl unit motor [B] drives the timing belt and gear
that raise and lower the decurl unit on the rack-and-pinions
at the rear [C] and front [D].
Slide 485
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Mechanism
485
BR-C1 Training