发明名称 Image forming apparatus
摘要 An image forming apparatus including an image bearing member bearing thereon a toner image charged to a predetermined polarity, a transferring device for electrostatically transferring the toner image borne on the image bearing member to a recording material, first and second cleaning members for electrostatically removing from the image bearing member any toner residual on the image bearing member when the toner image is transferred to the recording material, a first power supply for applying a bias of the same polarity as the predetermined polarity to the first cleaning member, a second power supply for applying a bias of a polarity opposite to the predetermined polarity to the second cleaning member, and a controller for variably controlling the condition of the bias applied to the first cleaning member and the condition of the bias applied to the second cleaning member independently of each other.
申请公布号 US2006083531(A1) 申请公布日期 2006.04.20
申请号 US20050251797 申请日期 2005.10.18
申请人 CANON KABUSHIKI KAISHA 发明人 SHIDA MASANORI
分类号 G03G15/00 主分类号 G03G15/00
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