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    • 29. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07983577B2
    • 2011-07-19
    • US12194649
    • 2008-08-20
    • Emi KitaKoichi KatoMaiko Koeda
    • Emi KitaKoichi KatoMaiko Koeda
    • G03G15/08
    • G03G15/0877G03G15/0856G03G15/0893
    • An image forming apparatus including an image bearing member; a developing device forming a toner image; a toner supplying device including a toner container, a toner feeding passage, a pump, in which a first member is moved while rubbing a second member to feed a developer supplement including at least the toner, and a residual toner detector detecting the amount of the developer supplement remaining in the toner container. Even after the toner container achieves a near empty state, image forming operations are continued as long as a predetermined condition is satisfied while changing the pump's condition such that the pump is stopped, the ratio of the pump stopping period to the pump driving period is set to be greater than that before the near-empty detection, or the pump stopping period and the pump driving period are set to be longer than those before the near-empty detection.
    • 一种图像形成装置,包括图像承载部件; 形成调色剂图像的显影装置; 调色剂供应装置,包括调色剂容器,调色剂供给通道,泵,其中第一构件在摩擦第二构件的同时移动以供给至少包括调色剂的显影剂补充剂;以及残留调色剂检测器, 显影剂补充剂残留在调色剂容器中。 即使在调色剂容器达到接近空的状态之后,只要在改变泵的状态使得停止泵的情况下满足预定条件,停止泵的停止时间与泵的驱动时间的比率,就继续进行图像形成操作 大于在近空检测之前,或将泵停止期间和泵驱动期间设定为比近空检测之前长。