Patent ID: 6992690

Claim:
A multi-beam scanning apparatus comprising: a light source unit comprising a laser light source, a holder holding said laser light source and a driving circuit board for driving said laser light source, said laser light source including a laser chip having a plurality of emission points for emitting laser beams and a terminal for energizing the laser chip, said driving circuit board being connected to the terminal of said laser light source; scanning means for scanning a surface to be scanned with the laser beams emitted by said light source unit; and a housing having a wall, wherein said housing contains said scanning means and supports said light source unit on the wall, wherein said holder has a reference portion and said laser light source is fixed to said holder such that a hypothetical straight line connecting the plurality of emission points is inclined with respect to the reference portion so as to have an inclination angle equal to or close to a predetermined angle, and wherein said holder holding said laser light source is fixed to the wall of said housing after the inclination angle of the hypothetical straight line is finally adjusted by rotating said holder.