Patent ID: 8888204

Claim:
An inkjet printing apparatus comprising: a print head configured to: (i) eject a plurality of kinds of color inks with mutually different colors, each ink containing a colorant, in accordance with image data of an image to be formed on a print medium, and (ii) eject an image quality improvement liquid for changing a gloss level or image clarity, wherein the print head is further configured to be scanned over a unit area of the print medium a plurality of times to form an image on the print medium with the color inks and to apply the image quality improvement liquid; a determining unit configured to determine a number of kinds of color inks used for printing in the unit area based on image data, of the image, corresponding to the unit area; and a control unit configured to control a volume of the image quality improvement liquid applied to the unit area by the print head in each of the plurality of scans by determining a permitted volume of the image quality improvement liquid to be applied to the unit area in each of the plurality of scans according to the number of kinds of color inks determined by the determining unit.