1. An ink-jet printing apparatus comprising: a printhead including a group of nozzles constituted by a plurality of nozzles; storage means for storing a density table indicating a print density of ink discharged from each nozzle constituting the group of nozzles; determination means for determining a nozzle to be driven for discharge in the group of nozzles; and density compensation means for obtaining from the density table a print density corresponding to the nozzle, determined to be driven for discharge by said determination means, and performing compensation control of a print density based on the obtained print density.