Patent ID: 8107847
Filing Date: 2012-01-31
Classification: G03G

Abstract:
1. An image exposure apparatus comprising: an optical unit that emits light to form an exposure image on a photosensitive material; a casing that houses the optical unit and that has an image exposure window through which the light is allowed to pass for forming the exposure image; a transparent dustproof member at the image exposure window; and a shutter member switched between a shield position for covering a region above the dustproof member, which serves as a passage region of a cleaning member for cleaning a surface of the dustproof member, and an open position for allowing the light to pass through the dustproof member to form an exposure image on a surface of the photosensitive material, wherein when the shutter member is located at the shield position, at least a part of the shutter member goes into the passage region of the cleaning member, wherein the cleaning member is guided by a guide path formed in a frame of the image forming apparatus main body toward the inside of the image forming apparatus main body, and the cleaning member is inserted into an opening section formed in an inner cover of the image forming apparatus main body.