According to one embodiment, there is provided an image forming apparatus including a conveyance unit, a detection unit, an image forming unit, and a control unit. The conveyance unit is configured to convey a print medium to which a wireless tag is attached and on which wireless tag position information indicating a position of the wireless tag is formed. The detection unit is configured to detect the wireless tag position information formed on the print medium. The image forming unit is configured to form an image on the print medium. The control unit is configured to control the conveyance unit and the image forming unit based on the wireless tag position information detected by the detection unit.