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    • 3. 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。
    • 7. 发明申请
    • DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
    • 开发设备,过程盒和图像形成装置
    • US20080253810A1
    • 2008-10-16
    • US12059392
    • 2008-03-31
    • Susumu TateyamaYoshitaka FujinumaKoichi KatoKiyonori TsudaEmi KitaYuki Oshikawa
    • Susumu TateyamaYoshitaka FujinumaKoichi KatoKiyonori TsudaEmi KitaYuki Oshikawa
    • G03G15/08
    • G03G15/0893G03G15/0877G03G2215/0648G03G2215/0822G03G2215/0827
    • To provide a relatively small developing device, process cartridge and image forming apparatus that prevent developer, accommodated in a second developer conveying portion for recovering the developer after a developing step, from being pumped up to a developer carrier, and that do not apply a large stress to the developer. A plurality of developer carriers are arranged side-by-side in a direction of gravitational force so as to face an image carrier. The developing device comprises a first developer conveying portion that supplies the developer to a first developer carrier, a second developer conveying portion that recovers the developer separated from the second developer carrier, and a third developer conveying portion that conveys the developer obliquely upward and conveys, to an upstream side in a conveyance direction of the first developer conveying portion, the developer reaching the downstream side in the conveyance direction of the first developer conveying portion and the developer reaching a downstream side in a conveyance direction of the second developer conveying portion.
    • 为了提供一种相对小的显影装置,处理盒和图像形成装置,其防止显影剂容纳在第二显影剂输送部分中以用于在显影步骤之后回收显影剂,从被泵送到显影剂载体,并且不施加大的显影装置 强调开发商。 多个显影剂载体在重力方向上并排布置以面对图像载体。 显影装置包括第一显影剂输送部分,其将显影剂供应到第一显影剂载体,第二显影剂输送部分,其回收与第二显影剂载体分离的显影剂;以及第三显影剂输送部分,其将倾斜向上输送的显影剂输送, 在第一显影剂输送部分的输送方向上的上游侧,显影剂到达第一显影剂输送部分的输送方向的下游侧,并且显影剂到达第二显影剂输送部分的输送方向的下游侧。