Patent ID: 8115964

Claim:
An image processing apparatus, comprising: an image processing part configured to perform image processing for causing a printer to print document data, the printer having a nozzle head, the nozzle head having a first nozzle group and a second nozzle group, the first nozzle group having a plurality of nozzles of K and a plurality of nozzles whose positions coincide with positions of the nozzles of the K in a sub scanning direction, the second nozzle group having a plurality of nozzles offset in the sub scanning direction from the nozzles of the K, wherein the image processing part is configured to perform the image processing so that the K is prevented from being applied to and one or more colors related to the second nozzle group are applied to a plurality of dots corresponding to the second nozzle group in a single movement of the nozzle head in a main scanning direction with respect to a gray drawing object contained in the document data; and the image processing part includes an RGB data generation part configured to generate RGB data with respect to one or more drawing objects contained in the document data, and to extend each dot of the gray drawing object with respect to the RGB data on the gray drawing object.