Printing control apparatus, printing apparatus, and printing contol method

A printing apparatus configured to execute printing using a print head provided with, on different head chips, a plurality of nozzle groups including a first nozzle group and a second nozzle group configured to eject ink of a same color, with at least a portion of a formation range of each of the nozzle groups corresponding to ink of the same color and formed on the different head chips overlapping each other, and the different head chips being disposed in a direction that crosses an alignment direction of nozzles of each of the nozzle groups, the printing apparatus comprising

• a halftone processing unit configured to generate halftone data specifying a presence or absence of dots per pixel serving as data to drive the nozzle groups based on image data,
• the halftone processing unit being further configured to generate first halftone data to drive the first nozzle group and second halftone data to drive the second nozzle group in an uncorrelated manner.

A printing control method for controlling printing using a print head provided with, on different head chips, a plurality of nozzle groups including a first nozzle group and a second nozzle group configured to eject ink of a same color, with at least a portion of a formation range of each of the nozzle groups corresponding to ink of the same color and formed on the different head chips overlapping each other, and the different head chips being disposed in a direction that crosses an alignment direction of nozzles of each of the nozzle groups, the printing control method comprising

• generating halftone data specifying a presence or absence of dots per pixel serving as data to drive the nozzle groups based on image data,
• the generating halftone data generating first halftone data to drive the first nozzle group and second halftone data to drive the second nozzle group in an uncorrelated manner.