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    Image forming apparatus
    1.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US08967759B2

    公开(公告)日：2015-03-03

    申请号：US14190182

    申请日：2014-02-26

    申请人： Ricoh Company, Ltd.

    发明人： Shingo Masaoka ,  Shotaro Takeuchi ,  Masahiko Hisada ,  Kyohei Matsumura

    IPC分类号： B41J29/393 ,  B41J2/165 ,  B41J29/17

    CPC分类号： B41J2/16579 ,  B41J2/2142 ,  B41J29/17

    摘要： An image forming apparatus includes a recording head, an ejection detection unit, a cleaner, and a holder member. The ejection detection unit has an electrode member disposed in an area in which the electrode member is opposable to the head. The cleaner includes a cleaning member to remove droplets adhering to the electrode member. The ejection detection unit detects ejection or non-ejection of droplets by detection of electric changes of the electrode member generated when droplets ejected from nozzles of the head land on the electrode member in a state in which a potential difference is created between a nozzle face of the head and the electrode member and the nozzle face is opposed to the electrode member. The holder member supports the electrode member, and holds the cleaning member movable in parallel to a nozzle array direction in which the nozzles is arrayed in the head.

    摘要翻译： 图像形成装置包括记录头，喷射检测单元，清洁器和保持器构件。 喷射检测单元具有设置在电极构件与头部相对的区域中的电极构件。 清洁器包括清洁构件以去除附着在电极构件上的液滴。 喷射检测单元通过检测在从电极构件上的喷墨头的喷嘴喷出的液滴中产生的电极部件的电变化，通过检测在液滴的喷嘴面 头部和电极部件以及喷嘴面与电极部件相对。 保持器构件支撑电极构件，并且保持清洁构件平行于喷嘴排列在头部中的喷嘴排列方向。