Ricoh D017 - Polygon Mirror Motor

Laser Unit
SM 4-22 D017/D018/D019/D020/D084/D085
4.4.3 POLYGON MIRROR MOTOR
1. Remove the laser unit ( p.4-20).
2. Remove the heat sink [A] (
x4).
3. Replace the polygon mirror motor [B] (
x4, x1).
 When you install the new polygon mirror motor, do not touch the surface of the
mirror with bare hands.
4.4.4 LD UNIT
1. Remove the laser unit ( p.4-20).
2. Replace the LD unit [A] (
x3, x1).
 Do not remove the screws [B].
 Do not touch any variable resistors on the LD unit.