INK JET PRINTING APPARATUS AND INK JET PRINTING METHOD

摘要

PURPOSE: An ink jet printing apparatus and an ink jet printing method are provided to realize both a high speed printing and a high quality printing without color deviations when each of the print areas is printed in a plurality of scans by a plurality of print heads ejecting different kinds of ink. CONSTITUTION: An ink jet printing apparatus comprises a controller for controlling each print head(1) independently and widths and positions of active nozzle groups in the print heads. The active nozzle groups represent the plurality of nozzles in the print heads used for printing. Herein, the controller controls the widths and positions of the active nozzle groups according to a set printing condition.