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    • 132. 发明公开
    • Image forming apparatus
    • 图像形成装置
    • EP0503543A3
    • 1994-09-07
    • EP92104020.0
    • 1992-03-09
    • MITA INDUSTRIAL CO., LTD.
    • Kai, MasamiKatafuchi, ToshinobuTanaka, HideyukiTaniguchi, ToruYamada, SyujiIchihashi, Takao
    • G03G15/08G03G15/01
    • G03G15/0126G03G15/0849G03G15/0855G03G15/0856G03G15/0865G03G15/0879
    • In an image forming apparatus in which toner is fed to a developer unit (6) from a toner storage container (32) through toner conveying means (40) provided between the toner storage container (32) and the developer unit (6), the image forming apparatus comprises a toner remaining amount detector (101) for detecting an amount which is not higher than a predetermined amount of toner in the toner storage container (32), a toner density detector (102) for detecting the density of toner in the developer unit (6), and means (110) for interrupting the image forming operation to feed the toner to the developer unit (6) from the toner storage container (32) through the toner conveying means (40) when the amount of the toner in the toner storage container (32) is larger than the predetermined amount and the density detected by the toner density detector (102) is lower than a predetermined density. Consequently, suitable measures can be taken when there occurs such a state that no toner is present in the toner conveying means (40) between the toner storage container (32) and the developing mechanism even if there is toner in the toner storage container (32).
    • 在调色剂通过设置在调色剂储存容器(32)和显影剂单元(6)之间的调色剂传送装置(40)从调色剂存储容器(32)供给到显影剂单元(6)的图像形成装置中, 图像形成装置包括用于检测调色剂储存容器(32)中不高于预定量的调色剂的量的调色剂剩余量检测器(101),用于检测调色剂存储容器 显影单元(6),以及用于中断图像形成操作的装置(110),当调色剂的量被调色剂的量时,调色剂从调色剂存储容器(32)通过调色剂输送装置(40)供给到显影剂单元(6) 在调色剂存储容器(32)中的浓度大于预定量,并且由调色剂浓度检测器(102)检测的浓度低于预定浓度。 因此,即使在调色剂储存容器(32)和显影机构之间的调色剂输送装置(40)中也没有调色剂的情况下,即使调色剂储存容器(32)中存在调色剂,也可以采取合适的措施 )。