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    Liquid ejection apparatus and drive method for inkjet head
    1.
    发明公开
    Liquid ejection apparatus and drive method for inkjet head 有权
    用于喷墨头的流体喷射装置及其驱动方法

    公开(公告)号：EP2594403A1

    公开(公告)日：2013-05-22

    申请号：EP12192743.8

    申请日：2012-11-15

    申请人： Fujifilm Corporation

    发明人： Shibata, Hiroshi ,  Wakabayashi, Akira ,  Kataoka, Masaki ,  Rai, Yoshihira ,  Yunoki, Kousuke

    IPC分类号： B41J2/175 ,  B41J2/14 ,  B41J2/195

    CPC分类号： B41J29/12 ,  B41J2/14233 ,  B41J2/175 ,  B41J2/195 ,  B41J29/377 ,  B41J29/38

    摘要： A liquid ejection apparatus (10, 10', 10") includes: a gas chamber (60) surrounding a piezoelectric element (56) in an inkjet head (16K, 16C, 16M, 16Y, 16K', 16C', 16M', 16Y', 16K", 16C", 16M", 16Y"); and a dry gas supply device (70, 70', 70") configured to start supply of dry gas to the gas chamber (60) before supply of electric power to the inkjet head (16K, 16C, 16M, 16Y, 16K', 16C', 16M', 16Y', 16K", 16C", 16M", 16Y") is started, to continue the supply of the dry gas while the supply of the electric power to the inkjet head (16K, 16C, 16M, 16Y, 16K', 16C', 16M', 16Y', 16K", 16C", 16M", 16Y") is continued, and to halt the supply of the dry gas after the supply of the electric power to the inkjet head (16K, 16C, 16M, 16Y, 16K', 16C', 16M', 16Y', 16K", 16C", 16M", 16Y") is halted. While the dry gas supply device (70, 70', 70") halts the supply of the dry gas to the gas chamber (60), a dry gas supply flow channel opening and closing device (80) is closed to disconnect the dry gas supply device (70, 70', 70") and the gas chamber (60), and a gas return flow channel opening and closing device (84) is closed to disconnect the gas chamber (60) and the external air.