Laser Scanner Unit - Kyocera FS-1800 Service Manual

Laser scanner unit

4
5
9
6
8
Name
1 Laser diode
2 Collimator lens
3 Cylindrical lens
4 Polygon motor
FS-1800/1800N | FS-3800/3800N
7
Figure 4-1-6 Laser scanner unit
Emits diffused, visible laser.
Aligns the laser beam to the cylindrical lens.
Compensates the vertical angle at which the laser beam hits on of the
polygon mirror segments.
Has six mirror segments around its hexagonal circumference. Each
mirror corresponds to one scanned line width on the drum when the
laser beam scans on it.
4-8
Description
3
2
1
0