Ricoh FW780 Service Manual - Page 97
Around Drum, Cleaning Unit
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Around Drum (every 7.2K) Clean the charge corona end blocks and casing. Around Drum (every 18K) Replace the charge corona wires and T/S corona wires. 5. Cleaning Unit (every 3.6K) Cleaning Unit (every 20K) 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. 6. Development Unit (every 3.6K) 1. Clean the cartridge holder using a dry cloth if it is dirty. Development Unit (every 30K) 2. Clean the entrance seal using a dry cloth if it is dirty. Replace the developer. Development Unit Clean the development filter. (every 60K) SM 4-5 A163
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Around Drum
(every 7.2K)
Clean the charge corona end blocks and casing.
Around Drum
(every 18K)
Replace the charge corona wires and T/S corona
wires.
5. Cleaning Unit
(every 3.6K)
1. Inspect the cleaning blade. Replace it, if it is
damaged.
2. Inspect the cleaning seal. Replace it, if it is
damaged.
Cleaning Unit
(every 20K)
Replace the cleaning blade.
6. Development Unit
(every 3.6K)
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.
Development Unit
(every 30K)
Replace the developer.
Development Unit
(every 60K)
Clean the development filter.
SM
4-5
A163