Patent ID: 7399059
Filing Date: 2008-07-15
Classification: B41J

Abstract:
1. An ink jet printing apparatus which forms an image by dividing the image of one color into a plurality of images of the same color and printing the divided images of the same color using a plurality of line heads arranged in a direction in which a print medium is transported by print medium transport means, the ink jet printing apparatus comprising: ink-ejectable head detection means for detecting such line heads of the plurality of line heads intended to print the images of the same color that can eject ink properly; image data supply means for dividing image data of one color into a plurality of image data of the same color by the number of the ink ejectable line heads detected by the ink-ejectable head detection means and supplying the divided image data to the ink ejectable line heads; and control means for controlling a printing operation of the ink ejectable line heads according to the divided image data supplied from the image data supply means.