Image forming apparatus with control adjusting bias output...

Electrophotography – Image formation – Treatment of developed image prior to transfer

Reexamination Certificate

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C399S045000

Reexamination Certificate

active

07013105

ABSTRACT:
An image forming apparatus has a movable image carrier for carrying a toner image thereon; an image forming section for forming the toner image on the movable image carrier; a transfer section for electrostatically transferring the toner image on the movable image carrier to a transfer medium at a transfer position; an electrifying section for electrifying the toner image on the movable image carrier before the toner image reaches the transfer position; and a bias applying section for applying a bias to the electrifying section. This image forming apparatus controls the bias output of the bias applying section in accordance with information about surface roughness of the transfer medium.

REFERENCES:
patent: 5614998 (1997-03-01), Sanpe
patent: 6385426 (2002-05-01), Kimura et al.
patent: 6442356 (2002-08-01), Omata et al.
patent: 6895204 (2005-05-01), Shin
patent: 11-24443 (1999-01-01), None

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