An image forming apparatus forms an image on a print medium, and the image forming apparatus includes: a storage that stores medium information including profile information corresponding to the print medium and attribute information of the print medium; and a medium detection sensor that detects attribute actual information of the print medium; wherein the medium information is configured such that the profile information corresponding to the print medium is associated with the attribute information of the print medium, and the attribute information or the print medium includes information detectable by the medium detection sensor.