According to embodiments, an image processing apparatus includes an erasing unit configured to perform an image erasing process on each of a plurality of conveyed recording media, and a control unit configured to control the image erasing process performed by the erasing unit. The control unit stops the image erasing process with respect to at least one of the recording media when a conveyance error occurs in the recording medium, determines a situation of the at least one of the recording media causing the conveyance error, restarts the image erasing process after the conveyance error is cleared, counts a number of the recording media conveyed to the erasing unit in accordance with a counting method according to the determined situation of the recording media, and continues the restarted image erasing process performed until the counted number of the recording media reaches a target number.