发明名称 Image forming apparatus with first and second charging members for charging residual toner
摘要 The present invention provides an image forming apparatus comprising an image bearing member for bearing a toner image, a movable intermediate transferring member, a first charging member for charging toner on the intermediate transferring member when it is applied with a voltage including an AC component, and a second charging member for charging toner on the intermediate transferring member when it is applied with a DC voltage, the second charging member being located on an upstream side of the first charging member with respect to a moving direction of the intermediate transferring member, wherein a toner image on the image bearing member is temporarily transferred to the intermediate transferring member and then transferred to a transfer material.
申请公布号 US6856777(B2) 申请公布日期 2005.02.15
申请号 US20020244012 申请日期 2002.09.16
申请人 CANON KABUSHIKI KAISHA 发明人 ENOMOTO NAOKI;SHIBUYA TAKASHI;SHIMURA MASARU;SAITO SEIJI
分类号 G03G15/16;(IPC1-7):G03G21/00 主分类号 G03G15/16
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