Electrophotography – Image formation – Combined or plural functions by single component
Reexamination Certificate
2008-03-25
2008-03-25
Gray, David M. (Department: 2852)
Electrophotography
Image formation
Combined or plural functions by single component
Reexamination Certificate
active
11091600
ABSTRACT:
An apparatus and method for cleaning a plurality of drums in an image forming apparatus includes applying a first bias to each of a plurality of disturbing members, each disturbing member associated with a corresponding drum of a plurality of drums. While performing an image forming operation wherein at least one of the plurality of drums is not use, the bias is changed of a disturbing member corresponding to at least one of the plurality of drums not used in performing the image forming operation from the first bias to a second bias different from the first bias.
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Takahashi Masashi
Watanabe Takeshi
Yoshida Minoru
Foley & Lardner LLP
Gray David M.
Kabushiki Kaisha Toshiba
Toshiba Tec Kabushiki Kaisha
Villaluna Erik J.
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