Printing device, program for controlling printing device, method of controlling printing device, printing data creating device, program for controlling printing data and method of creating printing data

A printing device which prints an image on a printing medium by a printing head, the printing head having a plurality of nozzles for forming a dot on the printing medium, the printing device comprising:

• a printing unit that executes a printing process for reducing deterioration of a printed image quality caused by a banding phenomenon;
• a characteristic information extracting unit that extracts characteristic information for every predetermined region of the image;
• and
• a printing control unit that controls the printing process for reducing the deterioration based on nozzle information indicating a characteristic of each nozzle and the characteristic information for every predetermined region of the image;
• wherein the characteristic information includes density information for every predetermined region of the image and for each color of ink corresponding to the printing head, and
• wherein the characteristic information extracting unit extracts density information for every predetermined region of the image and for each color of ink corresponding to the printing head.