An apparatus includes a device that includes a driving source, an opening and closing door that is opened and closed by rotational operation about a rotating shaft with respect to a body of the apparatus, and an elastic part that is provided at the body of the apparatus, that is elastically deformed by contact with a first portion of a part of the opening and closing door on the side of the rotating shaft and blocks a gap between the first portion and the body of the apparatus when the opening and closing door is closed, and that is elastically deformed by contact with a second portion of the opening and closing door that is different from the first portion when the opening and closing door is opened.