Patent ID: 7347524

Claim:
A printing method comprising: (a) a step of printing a correction pattern on a medium, wherein said correction pattern: is constituted by a line group including a plurality of lines arranged in an intersecting direction that intersects a movement direction of nozzles, each of said lines being made of a plurality of dots arranged in said movement direction, and is printed by alternately repeating an operation of ejecting ink from a plurality of said nozzles and an operation of moving said medium in said intersecting direction; (b) a step of setting for each of said lines a correction value for correcting a darkness in said intersecting direction of an image to be printed on said medium, wherein each of said correction values is set based on a darkness of N lines that are adjacent to one another in said intersecting direction, in said line group, including the line whose correction value is to be set, and wherein said correction value is set to a value that is shared by said N lines; and (c) a step of printing said image on said medium based on said correction values that have been set for each of said lines.