A printing system has an image forming apparatus and a client terminal, the image forming apparatus executing a print job for image forming that the client terminal has transmitted in accordance with a user's request and transmitting completion information regarding job completion of the print job to the client terminal upon completion of the print job, and the client terminal reporting completion of the print job to the user by means of a notification, upon receiving the completion information from the image forming apparatus, where the client terminal halts any completion reporting when a number of transmitted print jobs to the image forming apparatus does not match a number of completed print jobs counted based on completion information received from the image forming apparatus, and reports, when the number of transmitted print jobs matches the number of completed print jobs, completion of all print jobs whose completion reporting has been halted.