Patent ID: 8613494
Filing Date: 2013-12-24
Classification: B41J

Abstract:
1. A print device for moving a print head in a scanning direction and printing image data onto a print medium, the print head comprises: a color nozzle row, which is a nozzle row in which nozzles for ejecting P (where P is an integer 2 or higher) types of color ink are arranged side by side in a direction intersecting with the scanning direction, the color nozzle row being constituted of P color nozzle groups; and a black nozzle row, which is a nozzle row in which nozzles for ejecting black ink are arranged side by side in parallel with the direction intersecting with the scanning direction and in parallel with the color nozzle row, the black nozzle row being constituted of P black nozzle groups; and in a case where the amount of ink to be ejected from the black nozzle row is a predetermined value or greater, one raster is segmented among each of the black nozzle groups of the black nozzle row, and in a case where the amount of ink to be ejected from the black nozzle row is less than a predetermined value, one raster is printed by any one among the black nozzle groups.