Abstract:
An image forming method usable with an image forming device includes a storage medium mounting part to receive image data from a storage medium connectable therein and a displaying part to images that correspond to the image data received from the storage medium. The image forming method includes: receiving the image data and print information data about whether the images that correspond to the image data received from the storage medium have been printed before, dividing the images into a first group and a second group according to whether the images have been printed before and displaying the images in at least one of the first and second groups, printing one or more images selected from among the displayed images, and updating the print information data that corresponds to the printed one or more images in the storage medium. Thus, the user may easily obtain information about whether the images stored in the storage medium have been printed or not.