Ricoh FT5233 Service Manual page 278

AROUND THE DRUM
[A]
4. If the color development unit (option) is installed, continue the following:
(1) While lifting the color development unit lock lever [A], pull the color
development unit [B] until it locks.
(2) Hold the belt [C] of the unit and pull out the unit while lifting the lock
lever again.
(3) Place the unit on a clean sheet of paper.
[B]
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12 February 1992
[C]