Ricoh FW780 Service Manual page 97

Around Drum
(every 7.2K)
Around Drum
(every 18K)
5. Cleaning Unit
(every 3.6K)
Cleaning Unit
(every 20K)
6. Development Unit
(every 3.6K)
Development Unit
(every 30K)
Development Unit
(every 60K)
SM
Clean the charge corona end blocks and casing.
Replace the charge corona wires and T/S corona
wires.
1. Inspect the cleaning blade. Replace it, if it is
damaged.
2. Inspect the cleaning seal. Replace it, if it is
damaged.
Replace the cleaning blade.
1. Clean the cartridge holder using a dry cloth if it is
dirty.
2. Clean the entrance seal using a dry cloth if it is
dirty.
Replace the developer.
Clean the development filter.
4-5 A163