Cleaning device for cleaning residual toner from a photoconducti

Details Cleaning device for cleaning residual toner from a photoconducti Cleaning device for cleaning residual toner from a photoconducti

1998-03-09

2000-11-14

Lee, Susan S. Y.

Electrophotography

Cleaning of imaging surface

Magnetic

399358, G03G 2100

Patent

active

061481718

ABSTRACT:
A cleaning device for cleaning a photoconductive element of an electrophotographic apparatus. A cleaning mechanism is held in contact with a surface of the photoconductive element of the electrophotographic apparatus. The cleaning mechanism includes a cleaning member, for example a cleaning blade, held in contact with the surface of the photoconductive element for removing toner remaining on the surface of the photoconductive element. A rotatable magnet body is provided in close proximity to the cleaning member for causing the toner removed by the cleaning member to magnetically deposit on the rotatable magnet body. The rotatable magnet body may be further provided such that it does not contact the photoconductive element. A scraping member scraps off toner deposited on the rotatable magnetic body and a waste toner tank has an external opening through which the toner removed by the cleaning member is collected. The rotatable magnet body blocks the external opening of the waste toner tank such that the toner collected in the waste toner tank is prevented from flowing outside through the external opening of the waste toner tank. Further, each of the plurality of magnets may be magnetized in a direction parallel to a direction of movement of the photoconductive element.

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