Patent ID: 6523926
Filing Date: 2003-02-25
Classification: B41J

Abstract:
A printing apparatus that prints on a print medium during main scanning, comprising:a print head unit having a print head configured to print dots at each of pixel positions on the print medium; a main scanning drive section configured to effect main scanning by moving at least one of the print medium and the print head unit; a sub-scanning drive section configured to effect sub-scanning by moving at least one of the print medium and the print head unit; a head drive section configured to apply drive signals to the print head to effect printing on the print medium; and a control section configured to control printing, the control section comprising: a printing position adjustment section configured to use an adjustment value for reducing positional deviation of dots to be formed by the print head in a main scanning direction to adjust positioning of dots in the main scanning direction; wherein the print head unit includes readable head identification information set in accordance with characteristics relating to the positional deviation of dots to be formed by the print head in the main scanning direction, and wherein the head identification information is set based on premeasured positional deviation values; wherein the printing position adjustment section determines the adjustment value according to the head identification information.