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    • 97. 发明授权
    • Printing apparatus, driving condition setting method for printhead, and storage medium
    • 打印装置,打印头的驱动条件设定方法和存储介质
    • US06629789B2
    • 2003-10-07
    • US09791591
    • 2001-02-26
    • Norihiro Kawatoko
    • Norihiro Kawatoko
    • B41J530
    • B41J2/04508B41J2/04558B41J2/04573B41J2/0458B41J2/04591B41J2/2128B41J29/393
    • A printing apparatus capable of easily setting driving conditions in consideration of conditions on the printing apparatus main body side as well at an arbitrary point of time is disclosed. The printing apparatus including a printhead having a plurality of print elements and a head driver for generating a pulse-like driving signal supplied to the printhead. The apparatus sets driving conditions for a printhead with test patterns obtained by simultaneously driving a predetermined number of print elements of the plurality of print elements are printed on the printing medium while the pulse width of the driving signal is decreased stepwise from a predetermined value. Then, the boundary value of a pulse width with which a print element is not properly driven is obtained from the test patterns, and the pulse width of a driving signal generated by the head driver is controlled on the basis of the boundary value.
    • 公开了能够在任意时间点容易地考虑打印装置主体侧的状况来设定驾驶条件的打印装置。 该打印装置包括具有多个打印元件的打印头和用于产生提供给打印头的脉冲状驱动信号的头驱动器。 该装置将打印机的驱动条件设定为打印在打印介质上同时驱动预定数量的打印元件而获得的测试图案,同时驱动信号的脉冲宽度从预定值逐步降低。 然后,从测试图案获得印刷元件未正确驱动的脉冲宽度的边界值,并且基于边界值控制由头驱动器产生的驱动信号的脉冲宽度。