The image reading unit (2) reads an image from a document. The image forming unit (3) is located below the image reading unit (2) and forms an image on a sheet. The operation unit (5) is rotatably supported at a position forward of the image reading unit (2) and receives user's operation. The post-process unit (7) is provided between the image reading unit (2) and the image forming unit (3), and has, at a position interfering with the rotation range of the operation unit (5), a retracted portion (772) retracted rearward in the post-process unit (7). The post-process unit (7) performs a post-process on a sheet on which an image has been formed by the image forming unit (3).