发明授权
US5225879A Image forming apparatus having a convey guide charged oppositely to the polarity of a developing agent 失效
图像形成装置具有与显影剂的极性相反的输送引导件

  • 专利标题: Image forming apparatus having a convey guide charged oppositely to the polarity of a developing agent
  • 专利标题(中): 图像形成装置具有与显影剂的极性相反的输送引导件
  • 申请号: US856463
    申请日: 1992-03-24
  • 公开(公告)号: US5225879A
    公开(公告)日: 1993-07-06
  • 发明人: Masatoshi Hayashida
  • 申请人: Masatoshi Hayashida
  • 申请人地址: JPX Kawasaki
  • 专利权人: Kabushiki Kaisha Toshiba
  • 当前专利权人: Kabushiki Kaisha Toshiba
  • 当前专利权人地址: JPX Kawasaki
  • 优先权: JPX3-91713 19910329
  • 主分类号: G03G15/14
  • IPC分类号: G03G15/14 G03G15/00 G03G15/16
Image forming apparatus having a convey guide charged oppositely to the
polarity of a developing agent
摘要:
An image forming apparatus includes a transfer charger for electrostatically transferring a developing agent image formed on a photoconductive drum onto a paper sheet at a transfer position, and a separation charger for electrostatically separating the paper sheet from the drum. A convey guide is fixed to the separation charger so as to guide the paper sheet separated form the drum in a predetermined direction. The convey guide is formed of a material which is to be charged in a polarity opposite to a charge polarity of the developing agent on the paper sheet upon triboelectric charging between the convey guide and the paper sheet.
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