| 摘要 |
An ink jet printing apparatus including: a print unit having a polarity of ejection outlet arrays, for ejecting ink,; a scan unit for scanningly moving the print unit relative to the print medium in a main scan direction; and a feed unit for feeding the print medium relative to the print unit in a direction which is different from the main scan direction, wherein an image is formed on the print medium while repeating a scanning operation of the scanning unit and a feeding operation by the feeding unit. The apparatus also includes an information obtaining unit for obtaining image information; and a selecting unit for selecting at least one of the ejection outlet arrays to effect printing for the image data in a predetermined area, on the basis of the information obtained by the information obtain unit about image formations.
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