An information processing apparatus transmits job data to be printed to a printing apparatus, and modifies the print data stored in storage means in accordance with a modification notification from the printing apparatus to transmit the modified job data to the printing apparatus. The printing apparatus stores job data to execute printing process. The printing apparatus determines whether or not modified and set print property items include items which can be modified by the information processing apparatus. The printing apparatus transmits a modification notification that requests to modify the job data based on the modified and set print property items to the information processing apparatus based on the determination result. The printing apparatus receives the modified job data corresponding to the modification notification from the information processing apparatus.