The invention claims a fixed structure for the liquid crystal display device and a liquid crystal display device thereof. An image forming apparatus forms an image on a photosensitive member by scanning the photosensitive member with a laser beam reflected by a movable mirror with reciprocating the movable mirror whose rotation angle is changeable in accordance with an electrical signal. The license and the key may be associated within a file comprising the licensed protected content. The automatically and modified formats include field emphasis, positioning of group totals, and insertion of blank lines.