Patent ID: 6785478
Filing Date: 2004-08-31
Classification: G03G,G06K

Abstract:
A printer control unit for producing image data to be outputted to a printer engine based on data from an external equipment, said printer control unit comprising:sheet feed designation command outputting means for outputting a sheet feed designation command for designating one from among a plurality of sheet feed ports to the printer engine; print command outputting means for outputting a print command to the printer engine; and sheet feed reservation command outputting means for outputting a sheet feed reservation command with identification information for causing to feed a sheet from a sheet feed port designated by the sheet feed port designation command prior to the print command and to await the print command at a state that the fed sheet is on a sheet feed path, said printer control unit being capable of outputting, prior to one page of the print command, a plurality of subsequent pages of the sheet feed reservation commands to the printer engine, wherein each page of the reservation can be specified by the identification information.