A fixing apparatus for fusing and fixing an unfixed developer by heatingpressurizing a recording medium on which an image of the unfixed developer is formed, includes a fixing roller cleaning unit for cleaning surfaces of fixing rollers, and a propinquityseparation mechanism for moving the fixing roller cleaning unit close to and away from the fixing roller. The apparatus includes a housing that defines a slot to receive different types of removable memory cards. The modulating tag includes a tamper proof system.