Image carrier cleaning device, image carrier cleaning...

Details Image carrier cleaning device, image carrier cleaning... Image carrier cleaning device, image carrier cleaning...

2011-03-08

2011-03-08

Ngo, Hoang (Department: 2852)

Electrophotography

Cleaning of imaging surface

C399S349000, C399S350000

Reexamination Certificate

active

07904012

ABSTRACT:
An image carrier cleaning device includes: a first charging member which charges an image carrier to the same polarity as that of a toner after a transfer operation of a toner image formed by the toner charged to a predetermined polarity and having an external additive added thereto; a cleaning member which comes into contact with the image carrier charged by the first charging member; and a second charging member which applies an electric charge having a polarity opposite to a polarity of the toner to the image carrier having passed through the cleaning member.

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patent: 7171151 (2007-01-01), Endo et al.
patent: 04-275569 (1992-10-01), None
patent: 10-034031 (1998-02-01), None
patent: 2003-091142 (2003-03-01), None
patent: 2005-234247 (2005-09-01), None
patent: 2006-267510 (2006-10-01), None

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