An image forming apparatus forms a recorded image of an original image on a recording sheet by an electrophotography method. An optical scanning unit emits a laser beam which scans a surface of a photosensitive drum. The image forming apparatus is provided with a light absorbing member for absorbing...http://www.google.fr/patents/US4914458?utm_source=gb-gplus-shareBrevet US4914458 - Image forming apparatus
