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    • 8. 发明授权
    • Electrophotographic copying machine
    • 电子照相复印机
    • US4465360A
    • 1984-08-14
    • US360811
    • 1982-03-22
    • Toshio YamagishiHiroaki UchiyamaIkuo ItohYoshiaki Imanaka
    • Toshio YamagishiHiroaki UchiyamaIkuo ItohYoshiaki Imanaka
    • G03G21/00G03G15/00
    • G03G21/0047G03G2221/0005
    • An electrophotographic copying machine includes a combined developing-cleaning magnetic brush element. When the copy sheet is smaller than half the size of a photosensitive drum surface, two sheets of copy are obtained by three revolutions of the photosensitive drum in a multi-copy mode. During the first revolution of the photosensitive drum, the combined developing-cleaning magnetic brush element conducts the developing operation onto a first half section of the photosensitive drum and conducts the cleaning operation onto a second half section of the photosensitive drum. During the second revolution of the photosensitive drum, the first half section is cleaned and the second half section is developed. During the third revolution of the photosensitive drum, the first and second half sections are cleaned by the combined developing-cleaning magnetic brush element.
    • 电子照相复印机包括组合的显影清洁磁刷元件。 当复印纸小于感光鼓表面的一半尺寸时,以多重复印模式通过感光鼓三圈获得两张复印件。 在感光鼓的第一次旋转期间,组合的显影清洁磁刷元件将显影操作传导到感光鼓的第一半部分上,并将清洁操作传导到感光鼓的第二半部分上。 在感光鼓的第二次旋转期间,清洁前半部分并且显影第二半部分。 在感光鼓的第三次旋转期间,第一和第二半部分被组合的显影清洁磁刷元件清洁。