发明授权
- 专利标题: Electrophotographic toner and electrophotographic apparatus
- 专利标题(中): 电子照相调色剂和电子照相设备
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申请号: US09756204申请日: 2001-01-09
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公开(公告)号: US06420079B1公开(公告)日: 2002-07-16
- 发明人: Yasuharu Morinishi , Tatsuo Imafuku , Junichi Saito , Yoshiaki Akazawa , Yuichiro Takesue
- 申请人: Yasuharu Morinishi , Tatsuo Imafuku , Junichi Saito , Yoshiaki Akazawa , Yuichiro Takesue
- 优先权: JP11-273110 19990927
- 主分类号: G03G900
- IPC分类号: G03G900
摘要:
An electrophotographic toner constituting a dual component is composed of toner base particles and fine inorganic particles having a volume mean diameter of 250 to 600 nm with a specific surface area of 0.25 to 0.5 m2/g for serving as an abrasive, and is characterized in that 1.5 to 2 parts by weight of the abrasive is externally added to 100 parts by weight of the toner base particles and made to be deposited over the toner base particle surface. Also, the above electrophotographic toner is used for an electrophotographic apparatus which includes a photoreceptor cleaning device located above the level that passes through the center of the photoreceptor drum.
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