Image forming apparatus

Details Image forming apparatus Image forming apparatus

2011-06-28

2011-06-28

Lee, Susan S (Department: 2884)

Electrophotography

Control of electrophotography process

Control of charging

C399S044000

Reexamination Certificate

active

07970303

ABSTRACT:
An image forming apparatus includes: an image bearing body on which surface a solid lubricant is supplied, forming and bearing an image on the surface; a charging member to which a voltage is applied, being in contact with the image bearing body to impart a charge; a voltage applying section that applies the voltage to the charging member, capable of switching the voltage between superimposed voltage on which DC voltage and AC voltage are superimposed and non-superimposed voltage including only DC voltage; an image forming section that forms a toner image; a transfer device that transfers the formed toner image to a transferring body; a cleaning member that contacts the image bearing body to scrape unnecessary substance from the surface; and a voltage switching section that switches the voltage applied to the charging member between the superimposed voltage and the non-superimposed voltage according to an amount of the solid lubricant.

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patent: 7095969 (2006-08-01), Imura
patent: 7505728 (2009-03-01), Yamaguchi et al.
patent: 7634206 (2009-12-01), Hagiwara et al.
patent: 2006/0133872 (2006-06-01), Sugiura et al.
patent: A-7-244419 (1995-09-01), None
patent: A-9-101655 (1997-04-01), None
patent: A-10-221931 (1998-08-01), None
patent: 2008276083 (2008-11-01), None

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