Ricoh FT4460 Service Manual page 353

28 February 1989
5. The development roller is shorted to ground.
- Actions -
1. 2. 3.
Replace the drum or hot roller if scratched.
4. (1) a. Clean (dry cloth) or replace the drum.
b. Clean or replace the cleaning blade.
(2) a. Clean the cleaning blade and brush.
b. If cleaning the blade or brush does not solve the problem or if the
problem reoccurs, replace both the cleaning blade and brush.
5. Check the development bias.
NOTE: After replacing the drum, perform SP Mode No.66.
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