Patent ID: 8262184

Claim:
An ink jet printing apparatus comprising: a printing head including a first and second nozzle arrays, each of which is provided with a plurality of nozzles for ejecting ink for printing on a printing medium; a scanning unit for performing relative scanning of the print head and the printing medium in a direction intersecting an arrangement direction of nozzles in the nozzle arrays over a same area of the printing medium a plurality of times; and a dividing unit configured to divide print data for each nozzle array into print data for each of the plurality of times of scanning, according to a dot arrangement pattern of dots for determining an arrangement of dots in the area for dividing the print data, wherein the dot arrangement pattern corresponding to the first nozzle array ejects ink earlier than the second nozzle array to the area has a higher frequency characteristic than that of the dot arrangement pattern corresponding to the second nozzle array array.