Method for controlling a printing operation
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United States of America Patent
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Feb 17, 2015
Grant Date -
Sep 20, 2012
app pub date -
Mar 13, 2012
filing date -
Mar 16, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A method for controlling a printing operation includes detecting at least one position and/or an extent of a register mark located on a printing material by means of a register mark sensor, and using the detected at least one position and/or the extent of the register mark for register control. The method further includes acquiring at least one item of color information by means of the same register mark sensor during the printing operation, carrying out color monitoring with at least the at least one item of color information, and determining a color deviation with respect to a reference value. Furthermore, the method includes defining a threshold value for the color deviation, and outputting a warning and/or automatically making a change from good to poor products when the threshold value for the color deviation is exceeded.
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