Patent ID: 8018606

Claim:
A color page printer comprising; a print engine operable by a color mode for executing color printing and a monochrome mode for executing monochrome printing; and a control unit for controlling the print engine to generate a printed paper having a content corresponding to received print data; wherein the control unit is a unit equipped with a print number output section for outputting numbers of surfaces printed by a color mode and a monochrome mode of the print engine respectively as a number of color prints and a number of monochrome prints in an engine counter mode, numbers of surfaces printed based on print data for which color print is specified and print data for which monochrome print is specified respectively as a number of color prints and a number of monochrome prints in a driver specified counter mode, and a number of printing surfaces whose printed result was color and a number of printing surfaces whose printed result was monochrome respectively as a number of color prints and a number of monochrome prints in a real counter mode, the print engine is a unit capable of double side printing, and the print number output section of the control unit is a section for outputting numbers of double side surfaces printed based on print data for which color printing and double side printing are specified and print data for which monochrome printing and double side printing are specified respectively as a number of color double side prints and a number of monochrome double side prints in the driver specified counter mode, and for outputting a number of double side printing surfaces whose printed result of at least one surface was color and a number of double side printing surfaces whose printed result of the both surfaces were monochrome respectively as a number of color double side prints and a number of monochrome double side prints in the real counter mode, and is a section for outputting a value in which a last surface of blank in the case of double side printing is counted and a value in which a last surface of blank in the case of double side printing is not counted respectively as each number of double side prints in the driver specified counter mode and each number of double side prints in the real counter mode.