An adjustment method of dot printing positions and a printing apparatus
    1.
    发明公开
    An adjustment method of dot printing positions and a printing apparatus 有权
    一种用于调整印刷点位置和打印装置的方法

    公开(公告)号:EP1681168A3

    公开(公告)日:2008-03-12

    申请号:EP06075137.7

    申请日:1999-04-06

    IPC分类号: B41J2/21 B41J2/505 B41J2/14

    摘要: In a complimentary printing by bi-directional scanning of a head (1) or by a plurality of heads, a plurality of patterns in which a print start timing is shifted by a predetermined amount are printed with respect to a reference dot, e.g. formed by the forward scan of the bi-directional scanning or by one of the plurality heads (S1). In these patterns, an area factor by the dots formed by printing of the patterns is designed to be varied depending upon shifting amount. An average density is read from each of the plurality of patterns, optically (S2). The timing at which the maximum one among average densities read from the patterns is obtained, can be set as the printing registration condition (S3, S4). Further, a processing including a coarse adjustment (S104, S105, S108) to a fine adjustment (S107, S109) is performed in a series of algorithm. By these processings, printing registration between a forward and a reverse scan of a print head or printing registration between a plurality of print heads in a printing apparatus can be performed simply and with high accuracy, without operating by a user.

    Ink jet printing apparatus and method with suppressed bleeding of inks
    3.
    发明公开
    Ink jet printing apparatus and method with suppressed bleeding of inks 有权
    喷墨打印机和方法,用于抑制颜色混合

    公开(公告)号:EP1228879A2

    公开(公告)日:2002-08-07

    申请号:EP02002700.9

    申请日:2002-02-06

    IPC分类号: B41J2/21

    CPC分类号: B41J2/2132 B41J19/142

    摘要: An ink jet printing apparatus comprising print means having a polarity of ejection outlet arrays each having a plurality of ejection outlets, arranged in a predetermined direction, for ejecting ink, scanning means for scanningly moving the print means relative to the print medium in a main scan direction which is different from the predetermined direction during a printing operation, and means for feeding the print medium relative to the print means in a direction which is different from the main scan direction, wherein an image is formed on the print medium while repeating scanning operation of the scanning means and feeding operation by the feeding means, includes information obtain means for obtaining image information corresponding to at least one of the ejection outlet arrays with respect to a predetermined area of image data to be printed; and selecting means for selecting such a portion in the at least one of ejection outlet arrays as is to effect printing for the image data in the predetermined area, on the basis of the information obtained by the information obtaining means upon image formations.

    Printing apparatus and printing method
    4.
    发明公开
    Printing apparatus and printing method 有权
    Drucker und Druckverfahren

    公开(公告)号:EP1088669A2

    公开(公告)日:2001-04-04

    申请号:EP00121455.0

    申请日:2000-09-29

    IPC分类号: B41J2/21

    CPC分类号: B41J19/147

    摘要: A printing apparatus for forming a color image by applying different color inks to a printing material while bi-directionally moving the recording head to scan the recording material, the apparatus includes changing means for changing an order of applications of the inks to be applied for printing a secondary color to a secondary color pixel area; forming means for forming the secondary color while making the order of applications of the inks to at least one of a plurality of the secondary color pixel areas arranged along a raster scan direction different from the order of another, by the changing means.

    摘要翻译: 一种用于在双向移动记录头以扫描记录材料的同时将不同颜色的油墨应用于打印材料来形成彩色图像的打印装置,该装置包括用于改变要应用于打印的油墨的应用顺序的改变装置 次要颜色到次要颜色像素区域; 形成装置,用于通过改变装置将油墨的应用顺序施加到沿着与另一个的顺序不同的光栅扫描方向排列的多个次要像素区域中的至少一个。

    A calibration method for an optical sensor, an adjustment method of dot printing positions using the calibration method, and a printing apparatus
    5.
    发明公开
    A calibration method for an optical sensor, an adjustment method of dot printing positions using the calibration method, and a printing apparatus 审中-公开
    用于光学传感器的校准方法,使用校准方法的点打印位置的调整方法以及打印装置

    公开(公告)号:EP0947344A3

    公开(公告)日:2000-11-29

    申请号:EP99302652.5

    申请日:1999-04-06

    IPC分类号: B41J29/393

    摘要: In a complimentary printing by bi-directional scanning of a head (1) or by a plurality of heads, a plurality of patterns in which a print start timing is shifted by a predetermined amount are printed with respect to a reference dot formed by the forward scan of the bi-directional scanning or by one of the plurality heads (S1). In these patterns, an area factor by the dots formed by printing of the patterns is designed to be varied depending upon shifting amount. An average density is read from each of the plurality of patterns, optically (S2). The timing at which the maximum one among average densities read from the patterns is obtained, can be set as the printing registration condition (S3). Further, before the above reading operation, an optical sensor used for this operation is calibrated, for improving accuracies of the reading and the registrating. By these processings, printing registration between a forward and a reverse scan of a print head or printing registration between a plurality of print heads in a printing apparatus can be performed simply and with high accuracy.

    摘要翻译: 在通过头部(1)或多个头的双向扫描的补充打印中,打印开始定时偏移预定量的多个图案相对于由正向 双向扫描的扫描或多个头中的一个(S1)。 在这些图案中,通过印刷图案而形成的点的面积因子被设计为根据移位量而变化。 光学地(S2)从多个图案中的每一个读取平均密度。 可以将获得从图案读取的平均密度中的最大一个的定时设置为打印注册条件(S3)。 此外,在上述读取操作之前,对用于该操作的光学传感器进行校准,以提高读取和对准的精度。 通过这些处理,可以简单且高精度地执行打印头的正向和反向扫描之间的打印对准或打印设备中的多个打印头之间的打印对准。

    Ink jet printing apparatus and ink jet printing method
    8.
    发明公开
    Ink jet printing apparatus and ink jet printing method 有权
    Tintenstrahldruckervorrichtung-和方法

    公开(公告)号:EP1741560A3

    公开(公告)日:2008-04-16

    申请号:EP06014051.4

    申请日:2006-07-06

    IPC分类号: B41J2/21 B41J2/51

    CPC分类号: B41J2/2135 B41J25/001

    摘要: The present invention can correct, when a printing position is displaced by an inclination of a printing head for example, the displacement in an easy and effective manner and also allows a user to easily recognize the displacement of the printing position to correct the displacement. To realize this, dots (61, 62) for forming a test pattern are formed by different scannings by a nozzle group including a plurality of nozzles (N176~N192) positioned at one end side of a nozzle row and a nozzle group including a plurality of nozzles (N1~N16) positioned at the other end side of the nozzle row. Depending on displacements of the printing positions of these dots (61, 62), the plurality of nozzles (N1~N192) constituting the nozzle row are divided to a plurality of divided nozzle groups. Then, the printing position is adjusted on the basis of the divided nozzle groups.