Patent ID: 7556336

Claim:
A print control apparatus that supplies print data to a printing device, which creates dots and thereby carries out printing, said printing device comprising: a print head having multiple nozzles, from which ink is ejected; a scanning module that carries out main scan and sub-scan of said print head; and a driving module that drives said print head during each scan and causes at least two different types of dots, a first dot and a second dot, to be created at different timings in respective pixels; said print control apparatus comprising a test pattern data generation module that generates test pattern data used for printing a predetermined test pattern; wherein: the test pattern is a patch pattern, in which dots are created at a preset recording rate in a predetermined area, and a fraction of the first dot and the second dot adjoining to each other in either of a main scanning direction and a sub-scanning direction is significantly greater than a fraction of the first dots or the second dots adjoining to each other.