Patent ID: 8830532

Claim:
A printing control method, wherein a printing system includes an information providing device and a printer, the printer electrically connected to the information providing device and adapted for printing data sent by the information providing device, the printing control method comprising following steps: a printing driver program of the information providing device receiving page data from an application program of the information providing device, the page data comprising a plurality of first color components belonging to a first color space; the printing driver program converting the plurality of first color components into a plurality of second color components belonging to a second color space; the printing driver program checking if any of the second color components contains zeroes for all the content; and the printing driver program sending the plurality of second color components, except for a third color component, to the printer for outputting the page data, wherein the third color component is one of the plurality of the second color components that contains zeroes for all the content; wherein the printer is a laser printer, an LED printer, or a multiple-imaging color ElectroPhotoGraphy (EPG) printer, and the printer sequentially prints the plurality of second color components using a photo conductor.