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    • 2. 发明专利
    • Print system and control method of print system
    • 打印系统的打印系统和控制方法
    • JP2008250799A
    • 2008-10-16
    • JP2007092902
    • 2007-03-30
    • Seiko Epson Corpセイコーエプソン株式会社
    • EZOE TAKASHI
    • G06F3/12B41J2/51B41J19/96
    • PROBLEM TO BE SOLVED: To prevent print quality from deteriorating by preventing a white line in a main scanning direction from appearing in a printed result even when a feed amount set in each printer does not coincide with an actually transmitted feed amount, due to mechanical errors.
      SOLUTION: Image data is generated by arranging the same dot line data as dot line data at a bottom edge in a plurality of columns of dot line data composing the first pass data at a top edge of the second pass data (step S14), and the image data is transmitted to a printer (step S16). Each time the printer performs printing for one pass, the printer carries printing paper only by a feed amount that is smaller, by one dot, than the number of dots composing a printing element group in a sub-scanning direction of a print head and executes printing processing on the basis of the generated image data.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:即使当在每个打印机中设定的进给量与实际传送的进给量不一致时,通过防止主扫描方向上的白线出现在打印结果中来防止打印质量劣化 机械误差。 解决方案:通过在构成第二遍数据的顶部边缘处的构成第一遍数据的多列点阵线数据中的底边缘处布置与点线数据相同的点线数据来生成图像数据(步骤S14 ),将图像数据发送到打印机(步骤S16)。 每次打印机一次执行打印时,打印机仅通过比打印头的副扫描方向上组成打印元件组的点数小一点的进给量来承载打印纸,并执行 基于生成的图像数据进行打印处理。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • PRINTING APPARATUS AND CONTROL METHOD THEREFOR
    • JP2000238355A
    • 2000-09-05
    • JP3967299
    • 1999-02-18
    • FUNAI ELECTRIC CO
    • HASHIMOTO MAKOTO
    • B41J11/42B41J19/92B41J19/96
    • PROBLEM TO BE SOLVED: To stabilize the operation of a feed motor by always starting the rotor of the feed motor from a step position where the acceleration characteristics of the rotor are best. SOLUTION: The initial step position Si of the rotor of a feed motor at a time when the leading end of paper reaches a feeding position Pk is detected (Step 1) and the number of draw-in steps Sh corresponding to a blank portion is added to the initial step position Si (Step 2) and the added value is divided by the number of steps per one rotation of the feed motor to calculate residual ΔS (Step 3) and the residual ΔS is added to the initial step position Si to calculate a step position Sa and the shift from the step position Sa to the best step position Sb in a forward rotary direction is calculated as the corrected number of steps St (Step 4) and the feed motor is driven from the initial step position Si by the quantity corresponding to the value calculated by adding the corrected number of steps St to the number of draw-in steps Sh corresponding to the blank portion to feed out paper (Steps 5, 6).