Image recording apparatus, and method and recording medium for optimizing defective-recording-element compensation parameter
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United States of America Patent
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Nov 3, 2015
Grant Date -
Mar 5, 2015
app pub date -
Aug 25, 2014
filing date -
Aug 27, 2013
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Abstract
In the optimization of a non-discharge correction parameter for correcting a non-discharge using a non-discharge correction nozzle, a first test chart including a non-recording region that is the recording position of the non-discharge correction nozzle, a measurement chart region where a measurement chart is formed, and a uniform concentration region is formed for a designated nozzle that is previously designated. Then, the first test chart is read, the reading data is analyzed, the concentration at the measurement chart and the concentration at the uniform concentration region are compared for each non-discharge correction parameter, and a non-discharge correction parameter corresponding to the concentration at the measurement chart that minimizes the concentration difference from the uniform concentration region is derived as the optimum value of the non-discharge correction parameter for the designated nozzle.
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