Electrophotography – Cleaning of imaging surface – Removing liquid developer
Reexamination Certificate
2005-12-20
2005-12-20
Grimley, Arthur T. (Department: 2852)
Electrophotography
Cleaning of imaging surface
Removing liquid developer
Reexamination Certificate
active
06978111
ABSTRACT:
A cleaning apparatus for a liquid-development electrophotographic apparatus in which, after a toner image formed on a surface of an intermediate transfer member by use of a liquid developer is transferred to a printing medium, the liquid developer remaining on the intermediate transfer is removed and collected. The cleaning apparatus includes a cleaning-liquid application device for applying a cleaning liquid to the intermediate transfer member which has transferred an image to the printing medium; a bias voltage application device for applying a bias voltage opposite in polarity to charged toner particles of the developer to the intermediate transfer member; and a collection device for removing the cleaning liquid which has been applied to and the residual developer which remains on the intermediate transfer member from the intermediate transfer member without transfer of an image to the printing medium, and collecting the removed cleaning liquid and residual developer.
REFERENCES:
patent: 5592269 (1997-01-01), Younes et al.
patent: 6347212 (2002-02-01), Kosugi et al.
patent: 6748189 (2004-06-01), Vejtasa et al.
patent: 2000-293044 (2000-10-01), None
patent: 2001-337543 (2001-12-01), None
Hongawa Hironaga
Nagata Isao
Okano Shigeharu
Sakai Satoshi
Yamanishi Eri
Gleitz Ryan
Grimley Arthur T.
PFU Limited
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