Laser Optics 
SM 4-49 D086/D087 
Replacement 
and 
Adjustment 
4.6.4 POLYGON MIRROR MOTOR AND DRIVE BOARD 
 
1.  Laser optics housing unit [A] (
 p.4-41) 
 
2.  Polygon mirror motor cover [A] of the laser optics housing unit (
 x 4)  
 
3.  Polygon mirror motor holder [A] (
 x 2) 
4.  Polygon mirror motor [B] (
 x 4,   x 1) 
After installing the polygon mirror motor: 
  1) Do the "Forced Line Position Adj. Mode c" (SP2-111-3).   
  2) Then do the "Forced Line Position Adj. Mode a" (SP2-111-1).