发明公开
EP1041449A1 Electrophotographic image-forming method, electrophotographic image-forming apparatus, and process cartridge
有权
电子照相机Bildherstellungsverfahren,电子照相机Bildherstellungsapparat和Prozesskassette
- 专利标题: Electrophotographic image-forming method, electrophotographic image-forming apparatus, and process cartridge
- 专利标题(中): 电子照相机Bildherstellungsverfahren,电子照相机Bildherstellungsapparat和Prozesskassette
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申请号: EP00106624.0申请日: 2000-03-28
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公开(公告)号: EP1041449A1公开(公告)日: 2000-10-04
- 发明人: Sakoh, Harumi , Tsuji, Haruyuki , Takagi, Shinji
- 申请人: CANON KABUSHIKI KAISHA
- 申请人地址: 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo JP
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo JP
- 代理机构: Bühling, Gerhard, Dipl.-Chem.
- 优先权: JP8683699 19990329; JP9809899 19990405; JP30692099 19991028
- 主分类号: G03G15/00
- IPC分类号: G03G15/00 ; G03G5/147 ; G03G5/04
摘要:
An electrophotographic image-forming method has a contact charging step of charging the surface of an electrophotographic photosensitive member; an electrostatic latent image forming step of forming an electrostatic latent image on the surface of the electrophotographic photosensitive member charged; a developing step of developing the electrostatic latent image formed, into a toner image; and a transfer step of transferring the toner image formed by the development, from the electrophotographic photosensitive member to a transfer material, the developing step serve also as a cleaning step for collecting a toner remaining on the electrophotographic photosensitive member after transfer. The toner contains an external additive and the electrophotographic photosensitive member havs surface properties of universal hardness of 200 N/mm 2 or above (provided that a curve that represents the relationship between hardness and depth of indentation by an indenter has no point of inflection) and a coefficient of surface friction of from 0.01 to 1.2.
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