Liquid ejection printing apparatus and liquid supply method to be
employed in the same
    62.
    发明授权
    Liquid ejection printing apparatus and liquid supply method to be employed in the same 有权
    液体喷射印刷装置和液体供应方法

    公开(公告)号:US06082851A

    公开(公告)日:2000-07-04

    申请号:US190102

    申请日:1998-11-12

    IPC分类号: B41J2/175

    CPC分类号: B41J2/175

    摘要: A liquid ejection printing apparatus performing printing by ejecting a liquid toward a printing medium includes a liquid ejection head portion having a liquid ejecting printing head ejecting a liquid and a first tank holding the liquid to be supplied to the head, a second tank holding a liquid to be supplied to the first tank and having an atmosphere communicating opening for introducing an atmospheric air, a third tank receiving the liquid from the first tank and capable of supplying the liquid to the second tank, a first liquid supply passage for communicating the first tank and the second tank, a second liquid supply passage for communicating the second tank and the third tank, a third liquid supply passage for communicating the third tank to the first tank, the first tank and the third tank each forming an enclosed space excluding supply passages connected respectively thereto, a pump capable of sucking a gas within the third tank provided in a passage other than the first, second and third supply passages and a first valve provided in the second supply passage for opening and closing the second liquid supply passage, and a second valve provided in the third tank for communicating the gas within the third tank to outside.

    摘要翻译: 通过向打印介质喷射液体进行打印的液体喷射打印设备包括具有喷射液体的液体喷射打印头的液体喷射头部分和保持要供应到头部的液体的第一罐,保持液体的第二罐 被供给到第一罐并且具有用于引入大气的大气连通开口,从第一罐接收液体并能够将液体供应到第二罐的第三罐,用于使第一罐 第二罐,用于连通第二罐和第三罐的第二液体供应通道,用于将第三罐连通到第一罐的第三液体供应通道,第一罐和第三罐,每个形成封闭空间,不包括供给通道 分别连接有能够吸入设置在第一,第二以外的通路中的第三槽内的气体的泵 第三供给通道和设置在第二供应通道中用于打开和关闭第二液体供应通道的第一阀,以及设置在第三罐中的用于将第三罐内的气体连通到外部的第二阀。