An image processing device according to one aspect of the present disclosure includes a moving body, a housing, a support portion, and a first contact portion. The moving body is composed of a resin member and has a surface on which a holding plate which holds an electric component used for image processing is mounted. The housing includes a pair of side walls between which the moving body is housed therein. The support portion is provided to the housing and configured to support the moving body such that the moving body is movable in a predetermined moving direction. The first contact portion is provided to the moving body, and is configured to be contactable with a contacted portion within the housing prior to the holding plate when the moving body reaches a contact position where it is possible to contact with the contacted portion.