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    • 2. 发明授权
    • Image forming apparatus having means for preventing developer passing through cleaning member
    • 具有防止显影剂通过清洁部件的装置的图像形成装置
    • US06438337B1
    • 2002-08-20
    • US09629452
    • 2000-07-31
    • Takuma Abe
    • Takuma Abe
    • G03G1500
    • G03G21/0005G03G2221/0005
    • The present invention provides an image forming apparatus which has an image bearing member developing device for developing an electrostatic latent image formed on the image bearing member with developer, cleaning device for removing residual developer on the image bearing member by contacting with the image bearing member at a cleaning position, charging applying device for applying charge of polarity opposite to normal charging polarity of the developer to the developer before the developer applied to the image bearing member is carried to the cleaning position, wherein a developer image formed on the image bearing member by the developing device is transferred onto a transfer material and wherein the developing device applies developer to an area of the image bearing member which is not contacted with the transfer material, and the developer is carried to the cleaning position by the image bearing member.
    • 本发明提供了一种图像形成装置,其具有图像承载部件显影装置,用于使形成在图像承载部件上的静电潜像显影剂,用于通过与图像承载部件接触来除去图像承载部件上的残留显影剂的清洁装置 清洁位置,在将施加到图像承载部件上的显影剂施加到图像承载部件之前,向显影剂施加与显影剂的正常充电极性相反的极性电荷的充电施加装置被传送到清洁位置,其中通过以下方式形成在图像承载部件上的显影剂图像 显影装置被转印到转印材料上,并且其中显影装置将显影剂施加到图像承载部件的不与转印材料接触的区域,并且显影剂被图像承载部件运送到清洁位置。
    • 7. 发明授权
    • Image forming device having a cleaning member for removing toner in variable amounts from an image bearing member
    • 图像形成装置具有用于从图像承载部件去除可变量的调色剂的清洁部件
    • US06564034B1
    • 2003-05-13
    • US09453534
    • 1999-12-03
    • Takuma Abe
    • Takuma Abe
    • G03G2100
    • G03G21/0005
    • A cleaning device for removing residual toner on a surface of an electrophotographic photosensitive member includes a cleaning blade for scraping residual toner off the surface of the photosensitive member, and a toner supply portion, disposed in an upper stream side of the cleaning blade as viewed in a moving direction of the surface of the photosensitive member, for causing toner to stick to the surface of the photosensitive member, the toner supply portion being switchable between a first mode of causing toner to stick to the surface of the photosensitive member to supply toner to the nip between the surface of the photosensitive member and the cleaning blade and a second mode of not causing toner to stick to the surface of the photosensitive member or of decreasing an amount of toner to be stuck to the surface of the photosensitive member, the second mode being selectable when a main switch of an image forming apparatus having the cleaning device mounted therein has become turned on.
    • 一种用于去除电子照相感光构件表面上的残留调色剂的清洁装置,包括用于刮除感光构件表面的残余调色剂的清洁刮板和设置在清洁刮板的上游侧的调色剂供应部分, 感光构件的表面的移动方向,用于使调色剂粘附到感光构件的表面,调色剂供应部分可在使调色剂粘附到感光构件的表面以将调色剂供应到第一模式之间切换 感光构件的表面与清洁刮板之间的辊隙和不使调色剂粘附到感光构件表面的第二模式或减少要粘附到感光构件的表面上的调色剂的量,第二 当具有其中安装有清洁装置的图像形成装置的主开关变为o时,可以选择模式 n。