Image formation apparatus with residue toner charging...

Details Image formation apparatus with residue toner charging... Image formation apparatus with residue toner charging...

2006-03-15

2009-10-13

Beatty, Robert (Department: 2852)

Electrophotography

Image formation

Combined or plural functions by single component

Reexamination Certificate

active

07603058

ABSTRACT:
An image formation apparatus which includes a rotating image-bearing body, a charging section, an exposure section, a developing section, a transfer section, and a residue toner-charging section. The charging section charges the image-bearing body. The exposure section forms an electrostatic latent image on the image-bearing body that has been charged. The developing section develops the electrostatic latent image and forms a toner image. The transfer section transfers the toner image to a transfer body. The residue toner-charging section is provided upstream of the charging section and downstream of the transfer section and, after the transfer, charges transfer residue toner to a normal polarity. The transfer residue toner that has been charged to the normal polarity by the residue toner-charging section is recycled at the developing section. The residue toner-charging section is provided with a nonwoven fabric, which features conductivity and touches against the image-bearing body.

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patent: 5701559 (1997-12-01), Ootaka et al.
patent: 6871030 (2005-03-01), Nishimura
patent: 7221890 (2007-05-01), Nishimura
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patent: A-2001-249592 (2001-09-01), None
patent: A-2002-258666 (2002-09-01), None
patent: A-2003-333805 (2003-11-01), None
patent: 2004-198957 (2004-07-01), None

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