A multifunction machine according to one embodiment of the present invention includes a clock means for recognizing time; a settings information storing means that stores settings information and an updated time; a synchronization target information storing means that stores synchronization target information that specifies synchronization target multifunction machines whose settings information is to be synchronized; a sending means that sends updated settings information and the updated time of the settings information to the synchronization target multifunction machines when the settings information stored in the settings information storing means is updated by a user's operation; a receiving means that receives the settings information and the updated time sent from other multifunction machines; and a synchronization/update means that updates the settings information stored in the settings information storing means based on the received settings information.