| 摘要 |
According to one embodiment, there is provided an image forming apparatus for forming an image on a medium. The image forming apparatus includes a first image forming material including a color material that is decolored at or above a first temperature, and that develops color at or below a second temperature lower than the first temperature, a second image forming material including a color material that is not decolored under heat, a heater that heats the medium to the first temperature or higher after an image is formed on the medium, and a controller that performs control to print an image on the medium using the second image forming material, and to print tracking information on the medium using the first image forming material. |
