Patent ID: 7907294
Filing Date: 2011-03-15
Classification: G06K

Abstract:
1. A method of processing and forming an image of a plurality of colors of print data in a system including a host device to transfer the print data and an image forming apparatus to form the image of the print data transferred from the host device, the method comprising: calculating an amount of ink or toner of each color that is required to form the image of the print data; comparing the calculated required amount of the ink or toner for each of the plurality of colors with a residual amount of the ink or toner for each color to determine whether the stored residual amount of the ink or toner of each color is sufficient; and forming the image of a plurality of colors of the print data using an ink or toner of a color of which the residual amount of the ink or toner is sufficient in place of any color of which the stored residual amount of the ink or toner is less than the required amount of the ink or toner as a result of the comparison.