SM 3-13 G147
Replacement
Adjustment
3.6.4 LASER SYNCHRONIZATION DETECTOR
1. Laser unit (See ‘Laser Unit’)
2. Laser synchronization detector [A] (
x1, x1).
3.6.5 LD UNIT
LD Unit Replacement
1. Laser unit (See ‘Laser Unit’)
2. LD unit [A] ( x 3, x 1)
 To avoid damaging the LD board, hold it securely when disconnecting the
connectors. Hold the laser unit casing.
3. After replacing the LD board, do SP 2-109 to adjust the laser beam pitch
(described below).