Transferring roller, transfer device, and image forming...

Electrophotography – Image formation – Transfer

Reexamination Certificate

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Reexamination Certificate

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07020422

ABSTRACT:
An image forming apparatus includes an image bearing member, and a transfer member, wherein an image on the image bearing member is transferred to a member to be transferred by applying a voltage to the transfer member, and wherein the transfer member has an ion conductor part having an antioxidant. Variation in resistivity accompanying a change in applied voltage is thereby reduced, whereby sufficiently high transferring efficiency can be maintained during a durability test.

REFERENCES:
patent: 5809387 (1998-09-01), Takeuchi et al.
patent: 6041209 (2000-03-01), Murata
patent: 6078775 (2000-06-01), Arai et al.
patent: 6308019 (2001-10-01), Miyashiro et al.
patent: 6477339 (2002-11-01), Yano et al.
patent: 2001/0021736 (2001-09-01), Murata
patent: 2002/0006294 (2002-01-01), Yano
patent: 2003/0104295 (2003-06-01), Niimi
patent: 09269679 (1997-10-01), None
patent: 11030897 (1999-02-01), None

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