The present invention relates to a print system and control method therefor. A print system includes an image reading apparatus that describes original document image data read from an original document in a page description language, and transmits the data described in the page description language as a copy job; and a printing apparatus that receives the copy job transmitted from the image reading apparatus, and prints out an image corresponding to the original document image data, wherein the image reading apparatus detects a copy preparing operation that is performed prior to the transmission of the copy job and transmits an occupancy notification for notifying occupancy of the printing apparatus to the printing apparatus according to the result of the detection, and wherein the printing apparatus accepts a copy job from the image reading apparatus in accordance with the occupancy notification.