Patent ID: 7515171

Claim:
A light scanning module mounted on a main body, the module comprising: a light scanning unit including a light scanning window to scan a light onto a photosensitive body of the main body; and a cleaning shutter part coupled to the main body to move between an opening position to open the light scanning window and a closing position to close the light scanning window, the cleaning shutter part comprising: a cleaning part to clean the light scanning window, a cleaning part accommodating part to accommodate at least one area of the cleaning part to pivotally rotate, and a rotation regulating part provided on one side of the cleaning part and is contact-supported on an internal wall of the cleaning part accommodating part to block the pivotal rotation of the cleaning part if the cleaning shutter part moves from the closing position to the opening position, and is separated from the internal wall of the cleaning part accommodating part to permit the pivotal rotation of the cleaning part if the cleaning shutter part moves from the opening position to the closing position.