Patent ID: 6863373

Claim:
A method off printing a color image, comprising the steps of: providing a two-color printer for printing said image on a paper; determining a location of a printer carriage with respect to a print location of said image being printed on said paper, wherein said printer carriage contains only two print cartridges, namely, a primary color cartridge and an alternate color cartridge corresponding to a primary color and an alternate color, respectively; moving said printer carriage to a second side of said print location if said printer carriage is on a first side of said print location, and when said primary color cartridge is over said print location, one primary color dot is printed on said paper where called for by said image; after which, when said alternate color cartridge is over said print location, one alternate color dot is printed on said paper when called for by said image; stopping said print carriage from moving from said first side to said second side once both print cartridges are at said second side of said print location; moving said printer carriage to said first side of said print location if said printer carriage is on said second side of said print location, and when said alternate color cartridge is over said print location, one alternate color dot is printed on said paper where called for by said image; after which, when said primary color cartridge is over said print location, one primary color dot is printed on said paper when called for by said image; and stopping said print carriage from moving from said second side to said first side once both print cartridges are at said first side of said print location.