Inkjet print apparatus and inkjet printing method

摘要

In the case of printing a test pattern with an inkjet print apparatus, two printing modes are prepared. In one printing mode, a preliminary ejection on the printing medium is performed during printing of a test pattern, and in the other printing mode, the preliminary ejection on the printing medium is not performed during printing of a test pattern. For a test pattern that is, if the test pattern is printed under the same condition as that for an actual image, convenient for a subsequent correction, the preliminary ejection on the printing medium is performed during printing of the test pattern. On the other hand, for a test pattern in which, if an irrelevant dot is printed within the pattern, inconvenience is taken into consideration in a subsequent correction, the preliminary ejection on the printing medium is not performed during printing of the test pattern.

主权项

1. An inkjet print apparatus for printing an actual image based on inputted image data and a first test pattern and a second test pattern which are different from the actual image, comprising:
a print head having a plurality of nozzles configured to eject a first color ink and a second color ink, the second color being different from the first color; and a controller which executes steps of: causing the print head to print the first test pattern, which is a specified pattern configured to correct color of the actual image by ejecting both of the first color ink and the second color ink, while also printing a preliminary ejection pattern for maintaining ejection conditions of the plurality of nozzles on an area where the first test pattern is printed; causing the print head to print the second test pattern, which is a specified pattern configured to check the printing state of the plurality of nozzles and is different from the first test pattern, by ejecting the first color ink and not ejecting the second color ink, without printing of a preliminary ejection pattern for maintaining ejection conditions of the plurality of nozzles on an area where the second test pattern is printed; correcting the color of the actual image on the basis of the first test pattern; and causing the print head to print the actual image by ejecting both of the first color ink and the second color ink, while also printing a preliminary ejection pattern for maintaining ejection conditions of the plurality of nozzles on an area where the actual image is printed, wherein the first test pattern includes a pattern for reducing a color difference between a color that is printed in a first region by using the first color ink and the second color ink according to data indicating a predetermined color and a color that is printed in a second region different from the first region by using the first color ink and the second color ink according to data indicating the predetermined color.