Patent ID: 7048350
Filing Date: 2006-05-23
Classification: B41J

Abstract:
1. A color printing method of an inkjet printer printing a color image on a recording paper using color inks contained in a color cartridge, the color printing method comprising: detecting a residual amount of each of the color inks; comparing the residual amount of each of the color inks with a predetermined standard residual amount and determining whether the residual amount of at least one color ink is less than the predetermined standard residual amount; if the residual amount of the at least one color ink is less than the predetermined standard residual amount, selecting between a normal printing mode in which the color image is printed using all of the color inks and an ink saving printing mode in which the color image is printed using at least one of the color inks having residual amount greater than the predetermined standard residual amount; and printing the color image according to the selected printing mode.