Ricoh D127 - Ld Unit and Polygon Mirror Motor

Laser Unit
SM 4-45 D127/D128
Replacement
and
Adjustment
4.12.3 LD UNIT AND POLYGON MIRROR MOTOR
1. Laser unit (
p.4-44 "Laser Unit")
2. Laser unit cover [A] (
x 2, 1 grounding plate)
3. LD unit [B] (
x 2)
4. Polygon mirror motor [C] (
x 3)
Reassembling
Check that the polygon mirror and toroidal lens are clean. Dust or other foreign substances may
interfere with the operation of the LD unit.