Patent ID: 7515307

Claim:
A printing and copying system comprising: a host computer and a printing apparatus having a printer function and a copy function, wherein the host computer comprises: an image enhanced data producing section which produces first image enhanced data for printing and second image enhanced data for copying, and wherein the printing apparatus comprises: an image enhanced data storing section which stores the first and second image enhanced data produced by the image enhanced data producing section of the host computer; a print data producing section which produces print data; and a print section, wherein the print data producing section produces the print data by modifying document data received by the printing apparatus according to the first image enhanced data stored in the image enhanced data storing section when performing the printer function; produces the print data by modifying the document data received by the printing apparatus according to the second image enhanced data stored in the image enhanced data storing section when performing the copy function; and wherein the print section prints according to the print data produced by the print data producing section when performing the printer function, and copies according to the print data produced by the print data producing section when performing the copy function.