Patent ID: 7552988
Filing Date: 2009-06-30
Classification: B41J

Abstract:
1. An ink amount determining method for correlating specified colors and ink amount comprising: acquiring the specified color data showing the color values of the specified colors, converting the ink amount data showing any optional ink amount to color values, acquiring evaluation index including the first evaluation index for evaluating the color difference between the color values of the specified colors and the color value of the ink amount under the standard observation condition and the second evaluation index for evaluating the color difference among the color values obtained under a plurality of observation conditions with regards to the ink amount, evaluating whether the evaluation by the evaluation index meets the predetermined evaluation standard or not, and repeating the conversion of the ink amount data and acquisition of the evaluation index by correcting the ink amount until the evaluation standard is met, and correlating the ink amount data of the ink amount having met the evaluation standard and the specified color data.