Printing apparatus and method for printing using two kinds of black inks

摘要

A printing apparatus, which performs printing using a cyan ink, a magenta ink, a yellow ink, and two kinds of black inks, includes an image data acquisition section configured to acquire image data representing an image targeted for printing; a black line specification section configured to specify a black line included in the image on the basis of the image data; a printing control section configured to perform control so as to, along with performing printing of the black line by using the two kinds of black inks, perform printing with respect to pixels forming at least one portion of the black line so as to overlap the two kinds of black colors, and perform printing of a portion other than the black line by using at least one of the cyan ink, the magenta ink, the yellow ink, and the two kinds of black inks.

主权项

1. A printing apparatus which performs printing using a cyan ink, a magenta ink, a yellow ink, and two kinds of black inks, the printing apparatus comprising:
an image data acquisition section configured to acquire image data representing an image targeted for printing; a black line specification section configured to specify a black line included in the image on the basis of the image data; a printing control section configured to perform control so as to, along with performing printing of the black line by using the two kinds of black inks, perform printing with respect to pixels forming at least one portion of the black line so as to overlap the two kinds of black inks, and perform printing of a portion other than the black line by using at least one of the cyan ink, the magenta ink, the yellow ink, and the two kinds of black inks; wherein the two kinds of black inks are a first black ink and a second black ink whose concentration is lower than that of the first black ink, and the printing control section is configured to, in the case where a printing medium selected from among prescribed kinds of printing media is used, the prescribed kinds of printing media having been determined in advance, perform printing of the black line under a condition where usage amounts of the first black ink and the second black ink are set to default amounts, respectively, and in the case where a printing medium other than the prescribed kinds of printing media is used, perform printing of the black line under a condition where a usage amount of the first black ink is set to a default amount, and a usage amount of the second black ink is set to an amount selected from amounts included within a prescribed variable range.