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    Printhead with removable printhead cover
    22.
    发明授权
    Printhead with removable printhead cover 有权

    公开(公告)号：US10780699B2

    公开(公告)日：2020-09-22

    申请号：US15764273

    申请日：2015-10-08

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Garrett E. Clark ,  Mark H. MacKenzie

    IPC: B41J2/165 ,  B41J2/175 ,  B41J2/16

    Abstract: In one example in accordance with the present disclosure a printhead is described. The printhead includes a number of nozzles to deposit an amount of fluid onto a print medium and an ink delivery system to deliver the amount of fluid from an ink tank to the number of nozzles. The printhead also includes an attachment feature to removably couple a removable printhead cover to the printhead. The printhead further includes a removable printhead cover removably coupled to the printhead at the attachment feature.

    Selecting nozzles
    23.
    发明授权
    Selecting nozzles 有权

    公开(公告)号：US10207497B2

    公开(公告)日：2019-02-19

    申请号：US15986593

    申请日：2018-05-22

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Michael W. Cumbie ,  Garrett E. Clark ,  Mark H. MacKenzie

    IPC: B41J2/045

    Abstract: Selecting nozzles can include selecting nozzles of a plurality of nozzles to print a portion of a print job based on content of the print job and assigning firing reservations to the selected nozzles, where a total number of the firing reservations assigned to the selected nozzles is comparatively less than a total number of the plurality of nozzles.

    Print head die
    26.
    发明授权
    Print head die 有权
    打印头模具

    公开(公告)号：US09358788B2

    公开(公告)日：2016-06-07

    申请号：US14861635

    申请日：2015-09-22

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Mark H. MacKenzie ,  Matthew A. Shepherd ,  Wesley R. Schalk

    IPC: B41J2/15 ,  B41J2/145 ,  B41J2/14

    CPC classification number: B41J2/145 ,  B41J2/14 ,  B41J2/14072 ,  B41J2/14145 ,  B41J2/14201 ,  B41J2/155 ,  B41J2002/14491 ,  Y10T29/49401

    Abstract: Various configurations of print head die are described. In an example, a first print head die has first print structures disposed along a major dimension thereof perpendicular to the media path, the first print structures including a leading print structure with respect to the media path. A second print head die independent of the first print head die has second print structures disposed along a major dimension thereof perpendicular to the media path, the second print head die being staggered with respect to the first print head die along the media path, the second print structures including a leading print structure with respect to the media path. An extent between respective leading print structures of the first and second print head dies is between a minimum equal to a width of the first print head plus 100 μm and a maximum value such that the distance along the media path between any of the first print structures and any of the second print structures does not exceed 10 mm.

    Abstract translation: 描述了打印头模具的各种构造。 在一个示例中，第一打印头模具具有沿其垂直于介质路径的主要尺寸设置的第一打印结构，第一打印结构包括相对于介质路径的主打印结构。 独立于第一打印头模具的第二打印头模具具有沿其垂直于介质路径的主要尺寸设置的第二打印结构，第二打印头模具沿着介质路径相对于第一打印头模具交错，第二打印头模具 打印结构包括相对于媒体路径的主要打印结构。 第一和第二打印头模具的相应的主要打印结构之间的程度在等于第一打印头的宽度加上100μm之间的最小值和最大值之间，使得在任何第一打印结构之间沿着介质路径的距离 并且任何第二打印结构不超过10mm。

    PRINT HEAD DIE
    27.
    发明申请
    PRINT HEAD DIE 有权
    打印头戴

    公开(公告)号：US20150314599A1

    公开(公告)日：2015-11-05

    申请号：US14418664

    申请日：2012-09-25

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Garrett E. Clark ,  Chris Bakker ,  Mark H. MacKenzie ,  Michele D. Friesen

    IPC: B41J2/14 ,  B41J2/21

    CPC classification number: B41J2/1433 ,  B41J2/1404 ,  B41J2/14072 ,  B41J2/14145 ,  B41J2/21 ,  B41J2/2103 ,  B41J2/2128 ,  B41J2/2146 ,  B41J2002/14491

    Abstract: A print head die is described. In one example, the print head die includes a substrate having liquid feed slots formed therein extending along a major dimension of the substrate and nozzles extending along opposite sides of each of the liquid feed slots; and electrical interconnect formed on the substrate along the major dimension adjacent a last one of the liquid feed slots. A first one of the liquid feed slots opposite the last liquid feed slot and farthest from the electrical interconnect supplies an ink using a higher drop volume than inks in other ones of the liquid feed slots. The last liquid feed slot supplies an ink having a higher contrast with the ink in the first liquid feed slot than with inks in other ones of the liquid feed slots.

    Abstract translation: 描述打印头模具。 在一个示例中，打印头模具包括其中形成有沿着基板的主要尺寸延伸的液体进料槽的基板和沿每个液体进料槽的相对侧延伸的喷嘴; 以及沿着与最后一个液体进料槽相邻的主要尺寸在基底上形成的电互连。 与最后一个液体供给槽相对的最远的液体进料槽中的第一个液体进料槽与液体进料槽中的其它液体进料槽中的油墨相比，使用较高的液滴体积提供油墨。 最后的液体进料槽提供与第一液体进料槽中的油墨具有更高对比度的油墨，而不是其它液体进料槽中的油墨。

    PRINTHEAD SPACING
    28.
    发明申请
    PRINTHEAD SPACING 有权

    公开(公告)号：US20150022576A1

    公开(公告)日：2015-01-22

    申请号：US14510744

    申请日：2014-10-09

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Mark H. MacKenzie ,  Wesley R. Schalk ,  Paul Coffin

    IPC: B41J2/045

    CPC classification number: B41J25/308 ,  B41J2/04501 ,  B41J3/60 ,  B41J11/009 ,  B41J25/3082

    Abstract: A method of printing includes directing print media to a print zone between a printhead and a platen for printing; and adjusting a spacing between the printhead and the platen based on a combination of at least two of environmental conditions of the printing, a print mode of the printing, an orientation of the print media for the printing, and a characteristic of the print media for the printing.

    Abstract translation: 打印方法包括将打印介质定向到打印头和用于印刷的台板之间的打印区域; 并且基于打印的环境条件，打印的打印模式，用于打印的打印介质的定向和用于打印的打印介质的特性的组合，调整打印头和压板之间的间隔 打印。

    Skewing print medium
    30.
    发明授权
    Skewing print medium 有权

    公开(公告)号：US10682871B2

    公开(公告)日：2020-06-16

    申请号：US15570885

    申请日：2015-07-13

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Luke P. Sosnowski ,  Mark H. MacKenzie

    IPC: B41J29/38 ,  B41J13/26 ,  B41J13/03 ,  B41J29/393 ,  B41J2/07 ,  B41J11/00 ,  B41J13/00 ,  B65H9/00 ,  B65H5/06 ,  B65H7/20

    Abstract: In one example implementation, a printing device may comprise a number of media skewing rollers to skew a print medium to a predetermined angle with respect to a media feed path and a print engine to print an image on the skewed print medium, the print engine skewing a digital representation of the image based on the predetermined angle such that the image printed is aligned with the print medium. In another example implementation, a printing device may comprise a number of skewing rollers to skew a print medium to a predetermined angle with respect to a media path, a number of pinch rollers to receive the skewed print medium prior to printing, and a print engine skewed to the same predetermined angle as the skewed print medium.

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