At least one embodiment of a post-processing apparatus performs post-processing on a product printed by a printing apparatus, and transmits a command for a temporary stop of print processing for a first job and information indicating a reason for the temporary stop to the printing apparatus. At least one embodiment of the printing apparatus receives the command for the temporary stop of the print processing for the first job and the information indicating the reason for the temporary stop, stops the print processing for the first job according to the command for the temporary stop, and acquires a period of time during which the temporary stop continues based on the received information indicating the reason for the temporary stop.