Patent ID: 9044947
Filing Date: 2015-06-02
Classification: B41J

Abstract:
1. An ink jet printing apparatus comprising: a conveyance unit configured to convey a print medium in a first direction; a print head unit configured to print on the print medium, the print head unit comprising a first print head chip that includes a first nozzle array formed by first nozzles, and a second print head chip that includes a second nozzle array formed by second nozzles, the first print head chip and the second print head chip being arrayed in a second direction crossing the first direction such that the first nozzles in the first print head chip and the second nozzles in the second print head chip print two adjacent lines, respectively, each of which is printed in a direction crossing the second direction; and a controller configured to control ejection of ink by the first nozzles and the second nozzles according to an angle between a longitudinal direction of the print head unit and the first direction.