Patent ID: 7826103

Claim:
A printing system which comprises an information processing apparatus and a printing apparatus connected to said information processing apparatus, and controls said printing apparatus to print job data transferred from said information processing apparatus, comprising: said information processing apparatus comprises: first storage means for storing print data and print control information; job data transmission means for transmitting the job data to be printed, which is generated based on the print data and the print control information, to said printing apparatus; first modification means for modifying the print data stored in said first storage means in accordance with a modification notification from said printing apparatus to generate modified job data; and modified job data transmission means for transmitting the modified job data modified by said first modification means to said printing apparatus, and said printing apparatus comprises: second storage means for storing job data; control means for storing job data received from said information processing apparatus in said second storage means, and executing print processing of the job data; print property modifying and setting means for modifying and setting print properties for the job data stored in said second storage means; determination means for determining whether or not print property items modified and set by said print property modifying and setting means include items which cannot be modified by said printing apparatus but can be modified by said information processing apparatus; notification means for transmitting a modification notification that requests to modify the job data based on the modified and set print property items to said information processing apparatus based on the determination result of said determination means; and reception means for receiving the modified job data corresponding to the modification notification from said information processing apparatus.