A printing system prevents mistakes such as that a printed paper sheet printed by requesting from a PC to an image forming apparatus is left in an ejected-paper tray. The image forming apparatus transmits to the server printing execution result information that includes the serial number and the time and date of the printing. The server manages the state of unfetch of the printed paper sheet using a fetch flag in a printing record list created based on the printing execution result information, changes the fetch flag from “unfetched” to “fetched” when information indicating that the printed paper sheet has been fetched is sent from the image forming apparatus.