Patent ID: 6672701
Filing Date: 2004-01-06
Classification: B41J

Abstract:
A method for determining an adjustment value for reducing dot formation misalignments in a direction of main scanning during a process in which a printing device provided with a plurality of monochromatic nozzle groups for ejecting ink drops of mutually different colors is used to print images by depositing ink drops on a print medium and forming dots while main scanning is performed to move the plurality of monochromatic nozzle groups and/or the print medium, the adjustment value determination method comprising the steps of:(a) forming a plurality of first color patches on a print medium with dots composed of two or more types of inkfor a plurality of auxiliary adjustment values, respectively, the plurality of first color patches being designed to reproduce mutually identical colors; (b) forming a second color patch on a print medium using dots composed of two or more types of ink in a different color and/or different printing scheme from that of the plurality of first color patches; and (c) selecting the adjustment value from the plurality of auxiliary adjustment values on the basis of the plurality of first color patches and the second color patch.