Patent ID: 8872873

Claim:
A light scanning unit comprising: a light source to emit a light beam according to an image signal; a deflector to deflect the light beam emitted from the light source in a main scanning direction; an imaging lens to focus the light beam deflected by the deflector onto a photoconductor; at least one reflecting element to reflect the light beam that has passed through the imaging lens; and a bow control apparatus to correct a bow of a scanning line of the light beam, the bow control apparatus comprising: first and second support units to support both ends of the reflecting element; first and second pressure units disposed at one end of the reflecting element to pressure an inside and an outside of the reflecting element, respectively, with respect to one of the first and second support units; and first and second adjusting elements to adjust the amount of pressure of the first and second pressure units, the bow control apparatus convexly or concavely bows the at least one reflecting element.