发明名称 Image forming apparatus
摘要 An image forming apparatus includes an image bearing member; a transferring member for transferring a toner image from the image bearing member onto a recording material at a transfer portion; voltage applying means for applying a voltage to the transferring member; wherein the voltage applying means is capable of applying to the transferring member a first voltage, a second voltage higher than the first voltage and a third voltage higher than the second voltage; wherein the voltage applying means applies the first voltage to the transferring member, then the second voltage prior to the recording material reaching the transfer portion, and then the third voltage after the recording material reaching the transfer portion.
申请公布号 US2002051647(A1) 申请公布日期 2002.05.02
申请号 US20010984358 申请日期 2001.10.30
申请人 KATO HIRONORI 发明人 KATO HIRONORI
分类号 G03G15/00;G03G15/16;G03G21/14;(IPC1-7):G03G15/00;G03G15/20 主分类号 G03G15/00
代理机构 代理人
主权项
地址