Patent ID: 6124940
Filing Date: 2000-09-26
Classification: G06F

Abstract:
A method of transmitting data from a host computer to a printer, comprising the steps of:providing image data representing at least a portion of a print image to be printed by the printer;defining locations of absolute zero values in said image data and defining locations of non-absolute zero values in said image data, said locations of said absolute zero values and said locations of said non-absolute zero values being mutually exclusive from each other and substantially interspersed with each other;instructing each of the host computer and the printer of said locations of said absolute zero values in said image data;dividing said image data into two subsets, the first of said two subsets containing non-absolute zero values, and the second of said two subsets containing absolute zero values only; andtransmitting only said first subset of said image data containing said non-absolute zero values from the host computer to the printer.