Patent ID: 7399049

Claim:
An ink jet printing apparatus for printing an image on a print medium, comprising: a print head having a plurality of chips, each of the chips providing a plurality of ink ejection nozzles arrayed in line, printing areas corresponding to a predetermined number of the nozzles in two adjoining chips being overlapped; a control unit that controls relative movement of the print head and the print medium in a direction crossing a direction in which the nozzles are arrayed, and ejection of ink from the nozzles to print the image; a detection unit that detects a malfunction nozzle from the plurality of nozzles arrayed in the plurality of chips; and a setting unit that sets whether or not to use each of the predetermined number of nozzles in the two adjoining chips on the basis of the malfunction nozzle detected by the detection unit, wherein the setting unit selectively sets a desired control mode from among a plurality of control modes, the plurality of control modes having different setting numbers of the nozzles which are set as nozzles to be used from each of the predetermined number of nozzles in the two adjoining chips.