US Patent 7423773 Print system and printer device facilitating reuse of print data

A print system includes a communication path, a client device which transmits print data to said communication path, a host device connected to said communication path, and a printer device which prints the print data after receiving the print data from said client device via said communication path, and automatically sends the print data together with printer output information to said host device via said communication path, said printer output information including keywords for identifying said print data.