Image forming apparatus

Electrophotography – Control of electrophotography process – Control of exposure

Reexamination Certificate

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Details

C399S049000

Reexamination Certificate

active

07826757

ABSTRACT:
An image forming apparatus includes an exposure area controller for controlling an exposure area per pixel of an exposure device on the basis of image information and a switching device for switching an amount of exposure so as to decrease an exposure intensity of the exposure device during reference toner image formation and increase the exposure area per pixel of the exposure device when compared with those during normal image formation.

REFERENCES:
patent: 5381221 (1995-01-01), Mizoguchi et al.
patent: 5983045 (1999-11-01), Suzuki et al.
patent: 6567171 (2003-05-01), Rushing
patent: 6954285 (2005-10-01), Ogata et al.
patent: 7616908 (2009-11-01), Watanabe et al.
patent: 8-110700 (1996-04-01), None
patent: 10-39608 (1998-02-01), None
patent: 10-186747 (1998-07-01), None
patent: 2001-13742 (2001-01-01), None
patent: 2001-296732 (2001-10-01), None
patent: 2002-23436 (2002-01-01), None

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