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    • 19. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US09366989B2
    • 2016-06-14
    • US14589955
    • 2015-01-05
    • Daisuke ItoKen YoshidaKeiko MatsumotoYoichi SakuraiDaisuke Takahashi
    • Daisuke ItoKen YoshidaKeiko MatsumotoYoichi SakuraiDaisuke Takahashi
    • G03G15/01G03G15/08
    • G03G15/0822G03G15/0121G03G15/0126G03G15/0142G03G15/0189G03G2215/0607
    • An image forming apparatus includes at least one image bearer; multiple developing devices to develop the latent images with developers including toner and carrier into a toner image; multiple developer supply devices to supply the developers to the multiple developing devices, respectively; and a fixing device to fix the toner image on a sheet of recording media. When one of the multiple developing devices positioned at a shortest distance from an outline of the fixing device is referred to as a first developing device, and one of the multiple developer supply devices that supplies developer to the first developing device is referred to as a first developer supply device, the first developer supply device is greater in percentage by weight of carrier in developer supplied to the first developing device than rest of the multiple developer supply devices.
    • 图像形成装置包括至少一个图像载体; 多个显影装置将具有调色剂和载体的显影剂的潜像显影成调色剂图像; 多个显影剂供应装置分别向多个显影装置供应开发者; 以及用于将调色剂图像固定在记录介质片上的定影装置。 当定位在与定影装置的轮廓最短距离的多个显影装置中的一个被称为第一显影装置时,将显影剂供应到第一显影装置的多个显影剂供应装置中的一个被称为第一显影装置 显影剂供应装置,第一显影剂供应装置比供应给第一显影装置的显影剂中的载体的重量百分比大于其余多个显影剂供应装置。