Ricoh FT6645 Manual page 335

DUPLEX UNIT
[A]
[F] [E]
7. Remove the bushing [A] (1 snap ring).
8. Remove the drive roller [B].
9. Replace the three separation belts [C] as a set.
NOTE: When setting the tension spring [D], set it on the hook [E]
normally. The hook [F] applies higher separation pressure.
Confirm that the separation belt is correctly set between the
guides [G].
Confirm that the snap rings [H] do not touch the separation belts.
[D]
[C]
5-110
23 April 1993
[B]
[G]
[H]