| 摘要 |
A method to compensate for a degradation of print image quality generated by a defective nozzle, from which no ink or less than a design specification required amount of ink is ejected, in an inkjet image forming device includes moving a printer head a moving distance in a scanning direction, shifting image data corresponding to nozzles of the printer head in a direction opposite to the moving direction of the printer head by the number of nozzles corresponding to the moving distance of the printer head, and printing an image by driving the nozzles according to the shifted image data, and an apparatus to compensate for a degradation of print image quality generated by a defective nozzle, from which no ink or less than a design specification required amount of ink is ejected.
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