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公开(公告)号：US20240278556A1
公开(公告)日：2024-08-22
申请号：US18440031
申请日：2024-02-13
发明人： NAOKO BABA , TAKAYOSHI KIKUCHI , YOSHIYUKI HONDA , DAISUKE YOSHITOKU , HIROSHI KAWAFUJI , SHUNSUKE KAKEI , AKIHIRO MOURI
CPC分类号： B41J2/04573 , B41J2/04593 , B41J2002/453
摘要： A printing apparatus controls an ejection timing of a printing unit such that a first distance becomes shorter than a second distance, where the first and second distances are distances in a scanning direction between a landing position at which an ink droplet lands on a printing medium in a case where the printing unit scans in a first direction and a landing position at which an ink droplet lands on the printing medium in a case where the printing unit scans in a second direction in first and second printing modes, respectively.
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公开(公告)号：US20240336071A1
公开(公告)日：2024-10-10
申请号：US18624016
申请日：2024-04-01
发明人： YOSHIYUKI HONDA , TAKAO OGATA , TAKU HIGASHIYAMA , KYOSUKE DEGUCHI , DAISUKE YOSHITOKU , SHUNSUKE KAKEI , AKIHIRO MOURI
CPC分类号： B41J2/18 , B41J2/16532 , B41J2/2103 , B41J2/2117
摘要： An object is to optimize the time of ink circulation by a configuration that regularly circulates an ink for agitation without decreasing the capacity of production of printed objects. To achieve this, in a case where an ink discharge operation of discharging an ink from an ejection port is performed between the last circulation operation and the next circulation operation, the circulation time in the next circulation operation is corrected.
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公开(公告)号：US20240198676A1
公开(公告)日：2024-06-20
申请号：US18538324
申请日：2023-12-13
发明人： SHINGO NISHIOKA , TAKAYOSHI KIKUCHI , HAJIME NAGAI , SHIN GENTA , AYUMI YASUDA , KEIJI KURIYAMA , SERENA YOSHIKAWA , SATOSHI WADA , FUMIHIRO GOTO , DAISUKE YOSHITOKU , NAOKO BABA , HIROSHI KAWAFUJI , YOSHIYUKI HONDA , AKIHIRO MOURI , SHUNSUKE KAKEI
摘要： A printing apparatus includes a printing-medium conveyance unit, a printhead, and a control unit. The printhead has a first array of ejection ports ejecting a first ink and a second array of ejection ports ejecting a second ink, with the ports arranged in a printing-medium conveyance direction and the arrays arranged in a predetermined direction intersecting the conveyance direction. The control unit performs control to print an image of a foundation layer and images in stack and non-stack regions on the printing medium by having the conveyance unit convey the printing medium while scanning the printhead. The control unit performs control so that in printing in the non-stack region, the image of the foundation layer is printed using an ejection-port group in the first array at the same position as an ejection-port group in the second array for printing the image in the non-stack region, in an ejection-port arrangement direction.
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