Patent ID: 8845053
Filing Date: 2014-09-30
Classification: B41J

Abstract:
1. An inkjet printing device comprising: a print head that includes a first nozzle row in which a plurality of nozzles are arranged along a predetermined direction, and a second nozzle row in which a plurality of nozzles are arranged along the predetermined direction, the first nozzle row and the second nozzle row being displaced with respect to each other in a conveyance direction crossing the predetermined direction and a part of the first nozzle row and a part of the second nozzle row overlapping each other in the predetermined direction to form a link region; and a preliminary ejection unit that performs preliminary ejection of ink from each of the plurality of nozzles onto the print medium, wherein the preliminary ejection unit is capable of performing in-image preliminary ejection into the inside of an image and between-image preliminary ejection into a region between a plurality of images, and wherein the preliminary ejection unit uses a part of the nozzles included in the link region to perform the in-image preliminary ejection, and uses the nozzle not used to perform the in-image preliminary ejection out of the nozzles included in the link region to perform the between-image preliminary ejection.