Фильтры просто меняются.
По остальному выдержка из сервис мануала:
When replacing the new developer unit,
proceed as follows:
1) Perform maintenance mode U140
(AC calibration) for 55 ppm model
only.
2)Perform maintenance mode U464
(Calibration).
3)Perform maintenance mode U410
(Adjusting the halftone automatically).
When replacing the new drum unit, proceed
as follows:
1) Perform maintenance mode U119
(drum setup).
2) Perform maintenance mode U140
(AC calibration) for 55 ppm model
only.
3)Perform maintenance mode U464
(Calibration).
4)Perform maintenance mode U412
(Adjusting the uneven density).
5)Perform maintenance mode U464
(Calibration).
6)Perform maintenance mode U410
(Adjusting the halftone automatically).
When replacing the new charger roller
unit, proceed as follows:
Perform maintenance mode U930
(clearing the charger roller count).
When replacing the new transfer belt
unit, proceed as follows:
1) Perform maintenance mode U127
(clearing the transfer counter).
2)Perform maintenance mode U464
(Calibration).
3)Perform maintenance mode U410
(Adjusting the halftone automatically).
When replacing the new fuser unit, proceed
as follows:
1) Perform maintenance mode U167
(clearing the fuser count).
2)Perform maintenance mode U464
(Calibration).
3)Perform maintenance mode U410
(Adjusting the halftone automatically).