Patent ID: 7490917

Claim:
A printer having at least two types of ink and a head, wherein the head is capable of forming two more types of dots of different diameter on a print medium, for each of the inks; the printer comprising: image data obtaining module that obtains image data representing an image for printing; image analyzing module that analyzes the obtained image data; table obtaining module that obtains at least two dot apportionment tables on the basis of a result of said analysis of the image data, wherein the dot apportionment tables set a production volume of each of the dot types; and printing module that prints the image by forming dots on the print medium while switching among the dot apportionment tables, depending on the result of said analysis, wherein the image analyzing module divides the image into a plurality of areas on the basis of color values of the image data; the table obtaining module obtains the dot apportionment tables depending on the divided areas; and the printing module prints while switching among the obtained dot apportionment tables depending on the divided areas.