System and method for ink jet printhead detection
    1.
    发明授权
    System and method for ink jet printhead detection 有权
    喷墨打印头检测系统和方法

    公开(公告)号:US07128385B2

    公开(公告)日:2006-10-31

    申请号:US10880904

    申请日:2004-06-30

    IPC分类号: B41J29/393 B41J29/38

    CPC分类号: B41J2/17546

    摘要: The invention provides a system and method for detecting the presence of an ink jet printhead when a printhead controller fails to properly identify an installed printhead using a printhead identification device. The system includes a printhead including heater resistors and control elements, and a controller connected to the printhead via address and data lines. When the controller fails to properly identify an installed printhead, the controller operates to bias the control elements in a predetermined manner via at least one address line, detect a signal via the data lines, and generate a signal indicative of the presence of the installed printhead.

    摘要翻译: 本发明提供了一种当打印头控制器不能使用打印头识别装置正确识别所安装的打印头时,用于检测喷墨打印头的存在的系统和方法。 该系统包括一个包括加热电阻和控制元件的打印头,以及通过地址和数据线连接到打印头的控制器。 当控制器无法正确识别安装的打印头时,控制器操作以经由至少一个地址线以预定方式偏置控制元件,经由数据线检测信号,并产生指示安装的打印头的存在的信号 。

    Method, printer and printhead driver for printing using two printheads
    3.
    发明授权
    Method, printer and printhead driver for printing using two printheads 有权
    使用两个打印头进行打印的方法,打印机和打印头驱动程序

    公开(公告)号:US06857723B2

    公开(公告)日:2005-02-22

    申请号:US10419177

    申请日:2003-04-18

    CPC分类号: B41J2/15 B41J2/2132 B41J2/51

    摘要: A first method obtains a printer having a single-printhead horizontal resolution of H dpi. Dots are printed using first and second printheads in the same print pass. The first printhead is enabled and the second printhead is non-enabled during a first portion of a carrier-movement distance equal to 1/H, and the second printhead is enabled and the first printhead is non-enabled during a second non-overlapping portion of such distance. A printer and a printhead driver for performing the first method are described. A second method obtains a printer having a single-printhead resolution of H horizontal dpi by V vertical dpi. First print data for the first printhead and second print data for the second printhead of H/2 horizontal dpi by V vertical dpi are obtained, are horizontally interlaced creating H horizontal dpi by V vertical dpi, and are printed using the first and second printheads in the same print pass.

    摘要翻译: 第一种方法获得具有单打印头水平分辨率H dpi的打印机。 使用第一和第二打印头在同一打印通行证中打印点。 第一打印头被启用,并且第二打印头在载体移动距离的第一部分等于1 / H期间不被启用,并且第二打印头被启用,并且第一打印头在第二非重叠部分期间不被启用 这样的距离。 描述用于执行第一种方法的打印机和打印头驱动程序。 第二种方法获得具有H水平dpi的单打印头分辨率为V垂直dpi的打印机。 获得用于H / 2水平dpi的第二打印头的第一打印头的第一打印数据和垂直dpi的H / 2水平dpi的第二打印数据,水平交织,通过V垂直dpi创建H水平dpi,并使用第一和第二打印头打印 相同的打印通行证。