Patent ID: 9296231
Filing Date: 2016-03-29
CPC Classification: B41J

Claim Text:
1. A printing apparatus comprising: a print head which includes a surface in which nozzles for ejecting ink are formed; a moving unit configured to mount the print head and move in a first direction; a platen positioned to face the print head for supporting a print medium; a pattern printing unit configured to cause the print head to print a plurality of test patterns at each of a plurality of different positions in the first direction on the print medium; a measuring unit configured to measure the plurality of test patterns printed on the print medium; a changing unit configured to change an angle of the print head with respect to the platen by moving the print head such that the direction of a line perpendicular to the surface is changed; and a control unit configured to cause the changing unit to change the angle of the print head corresponding to positions of the print head in the first direction, based on measurement results by the measuring unit.