Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2007-10-23
2007-10-23
Gray, David M. (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S066000, C399S071000
Reexamination Certificate
active
11289267
ABSTRACT:
A tandem image forming unit is provided with an adhering substance removal mode for performing a cleaning operation of a photoreceptor and an intermediate transfer body at the time other than the time of image formation. In the adhering substance removal mode, a photoreceptor cleaning unit removes excess toner from the photoreceptor. An intermediate transfer body cleaning unit removes excess toner from the intermediate transfer body. Therefore, the adhering substance removal mode can be performed simultaneously with respect to the photoreceptor and the intermediate transfer body.
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Oki Technical Review.
Oki Electric Industry Co., Ltd., “Oki Technical Reviiew”, Copyright 1998, .oki.com/en/otr/html
f/otr-161-05-tab-1.html.
Hashimoto Shunichi
Kayahara Shin
Gray David M.
Ricoh & Company, Ltd.
Wong Joseph S.
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