Ricoh FT5233 Service Manual page 847

REPLACEMENT AND ADJUSTMENT
16.10 MAIN CONTROL BOARD REPLACEMENT AND
ADJUSTMENT
16.10.1 Main Control Board Replacement
[A]
1. Remove the rear cover [A] (4 screws).
2. Disconnect the main control board connectors [B] and fiber cable [C].
NOTE: When disconnecting the fiber cable, do not pull it by the cable,
but by the connector.
3. Replace the main control board [D] and connect the connectors.
4. Turn on the main switch.
5. Adjust the proof motor speed and bin/jam sensors (see next two pages).
6. Turn off the main switch.
[B]
[B]
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12 February 1992
[D]
[B]
[C]