发明名称 IMAGE FORMING APPARATUS
摘要 In an image forming apparatus, when no image is being formed, an image bearing member is rotated at least one rotation, in a state in which a transfer bias is controlled such that a potential on a surface of the image bearing member on the upstream side in the rotational direction of a cleaning apparatus is a polarity opposite to that of a developer.
申请公布号 US2012045229(A1) 申请公布日期 2012.02.23
申请号 US201113211976 申请日期 2011.08.17
申请人 KITAMURA TAKUYA;KIHARA HIDEO;KAWAGUCHI YUJI;YANO KOUKI;ISOBE YUTA;CANON KABUSHIKI KAISHA 发明人 KITAMURA TAKUYA;KIHARA HIDEO;KAWAGUCHI YUJI;YANO KOUKI;ISOBE YUTA
分类号 G03G21/00;G03G21/20 主分类号 G03G21/00
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