Charge roll, process cartridge, image forming apparatus,...

Electrophotography – Image formation – Charging

Reexamination Certificate

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Reexamination Certificate

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07917064

ABSTRACT:
A charge roll includes a roll member that contacts an image carrier and rotates, the roll member including a conductive material that charges the surface of the image carrier, and the roll member having particles on the outer circumferential surface of the roll member to have a surface roughness within a predetermined range.

REFERENCES:
patent: 5610691 (1997-03-01), Takahashi et al.
patent: 6400919 (2002-06-01), Inoue et al.
patent: 6751427 (2004-06-01), Sugiura
patent: 7232635 (2007-06-01), Kobayashi et al.
patent: 7580655 (2009-08-01), Nukada et al.
patent: A-05-303257 (1993-11-01), None
patent: A-07-110615 (1995-04-01), None
patent: A-07-281507 (1995-10-01), None
patent: 10010857 (1998-01-01), None
patent: 3400054 (2003-02-01), None
patent: 2003-207966 (2003-07-01), None

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