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    • 3. 发明申请
    • METHOD FOR CONTROLLING A COLOR PRINTER OR A COLOR COPIER
    • 用于控制彩色打印机或彩色复印机的方法
    • US20150156376A1
    • 2015-06-04
    • US14400755
    • 2013-05-29
    • Océ Printing Systems GmbH & Co. KG
    • Andreas Paul
    • H04N1/60
    • H04N1/6044B41F33/0081B41P2233/52G03G15/5062G03G2215/00455G03G2215/0141G03G2215/0161H04N1/6038H04N2201/0005H04N2201/0094
    • In a method to control a color printer or color copier, a color separation of a first color and a color separation of a second color are applied to a printing substrate to generate a print image. Also, with aid of a printing unit, at least a first control field is printed on the printing substrate. The first control field has a predetermined pattern that includes at least the first color and the second color and is designed such that a color value of the first control field changes depending on a registration error between the first and the second color separations. A reference field is also printed on the printing substrate, a pattern of the reference field being predetermined such that it has a same color value independent of the registration error. The color value of the first control field is measured with a color value sensor. The color value of the reference field is also measured with the color value sensor and a desired color value is determined depending on the color value of the reference field. A deviation between the measured color value of the first control field and the desired color value is determined, the deviation corresponding to a spatial shift of the color separations. At least one control signal is generated to reduce the spatial shift depending on the determined deviation.
    • 在控制彩色打印机或彩色复印机的方法中,将第一颜色的颜色分离和第二颜色的颜色分离施加到打印基板以产生打印图像。 此外,借助于印刷单元,至少第一控制场被印刷在印刷基板上。 第一控制区具有至少包括第一颜色和第二颜色的预定图案,并且被设计成使得第一控制区的颜色值根据第一和第二分色之间的配准误差而改变。 参考场也印在印刷基板上,参考场的图案是预定的,使其具有与注册误差无关的相同颜色值。 用色值传感器测量第一控制场的色值。 参考场的颜色值也用颜色值传感器测量,并且根据参考场的颜色值来确定期望的颜色值。 确定第一控制场的测量颜色值与所需颜色值之间的偏差,该偏差对应于分色的空间偏移。 产生至少一个控制信号以根据确定的偏差来减小空间偏移。