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    • 1. 发明申请
    • Calibration method for printing apparatus
    • 打印设备的校准方法
    • US20070040861A1
    • 2007-02-22
    • US11205613
    • 2005-08-16
    • Chee-Wah TohFei GuoLing-Hwee Ong
    • Chee-Wah TohFei GuoLing-Hwee Ong
    • B41J29/393
    • B41J29/393
    • A calibration method for a printing apparatus is disclosed. The printing apparatus has at least one ink pen and a carriage for scanning the ink pen across a printing region. The calibration method includes: (a) printing a test pattern across a print medium at a constant carriage velocity; (b) optically scanning the printed test pattern to obtain a sensor signal thereof; (c) setting the carriage velocity so that there are acceleration, deceleration and constant velocity printing regions; (d) printing the same test pattern; (e) optically scanning the subsequent test pattern to obtain a sensor signal thereof; (f) comparing the sensor signals of the two test patterns to determine ink dot placement errors; and (g) calibrating time-delay compensation values based on the dot placement errors.
    • 公开了一种用于打印设备的校准方法。 打印装置具有至少一个墨水笔和用于在打印区域上扫描墨水笔的托架。 校准方法包括:(a)以恒定的载波速度在打印介质上打印测试图案; (b)光学扫描印刷的测试图案以获得其传感器信号; (c)设定运动速度,使加速度,减速度,等速打印区域均匀; (d)打印相同的测试图案; (e)光学扫描随后的测试图案以获得其传感器信号; (f)比较两个测试图案的传感器信号以确定墨点放置误差; 和(g)基于点布置误差来校准延时补偿值。