Ricoh Aficio MP2550B User Manual

Laser Unit
SM 3-19 D017/D018/D019/D020
Replacement
and
Adjustment
3.4.3 POLYGON MIRROR MOTOR
1. Remove the laser unit (see ‘Laser Unit’).
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.
3.4.4 LD UNIT
1. Remove the laser unit (see ‘Laser Unit’).
2. Replace the LD unit [A] ( x3,  x1).
 Do not remove the screws [B].
 Do not touch any variable resistors on the LD unit.

Ricoh Aficio MP2550B Specifications

General

Brand	Ricoh
Model	Aficio MP2550B
Category	Printer
Language	English