An image forming device includes a data receiving unit for receiving printing data and first identification information through a network; a data storage unit for storing the printing data and the first identification information; a non-contact medium information obtaining unit for obtaining second identification information stored in a memory of a non-contact medium; a print control unit for controlling a printing process of forming an image according to the printing data; a information comparison unit for comparing the first identification information with the second identification information; and a data control unit for retrieving the printing data corresponding to the first identification information from the data storage unit and sending the printing data to the print control unit when the information comparison unit determines that the first identification information matches to the second identification information.