| 主权项 |
1. An inkjet printer comprising:
a printing unit including a black nozzle array having a plurality of nozzles to eject an ink of black and at least one other nozzle array having a plurality of nozzles to eject an ink of color other than black, the printing unit being configured to eject the inks onto paper from the plurality of nozzles in the black nozzle array and the other nozzle array while transferring the paper; and a controller configured to drive the printing unit to perform printing on the paper based on image data, wherein the printing unit is capable of performing printing on a first type of paper having a first degree of ink bleed and on a second type of paper having a second degree of ink bleed larger than the first degree of ink bleed, and the controller is configured to
determine whether the image data includes a black information code,upon determination that the image data includes the black information code, determine whether a paper to be printed is the first type of paper, andupon determination that the paper to be printed is the first type of paper, delete pixels at least in one line from one side end of a pattern image forming the black information code in an information recording direction, and drive the printing unit to eject the ink of at least one color other than black in addition to the ink of black to pixels at least in one line at each of two side ends in the information recording direction of the pattern image with the pixels at least in the one line being deleted such that the pattern image is printed with a same width in the information recording direction as a width of the black information code included in the image data. |
