Ricoh FT5233 Service Manual page 340

OTHERS
10.1.2 Vacuum Fan Filters
1. Turn off the main switch.
2. Remove the rear cover.
3. Remove the ozone filter [A]
NOTE: The PM interval of this paper ozone filter is 80K copies.
4. Swing out the dc power supply board.
5. Unhook the high voltage cables from the vacuum fan bracket [B] and
disconnect the vacuum fan harness [C] (1 connector).
6. Remove the vacuum fan bracket (2 screws).
7. Remove the vacuum fan [D] (2 screws).
8. Replace the ozone filter [E].
NOTE: The PM interval of this ceramic ozone filter is 400K copies.
9. Reinstall the vacuum fan and install the new ozone filter.
[B]
[E]
[D]
5-110
12 February 1992
[C]
[A]