Patent 7946494 was granted and assigned to Lexmark International, Inc. on May, 2011 by the United States Patent and Trademark Office.
A cover is adapted to form part of a housing of a laser scanning unit. The cover comprises a main body having walls for defining at least one opening adjacent a lens located in a base of a laser scanning unit housing. At least one of the walls comprising seal structure formed integral with an adjacent portion of the one wall. The seal structure is adapted to engage a side portion of the lens so as to seal a gap between the lens side portion and the one wall.