Laser Exposure - Ricoh S-P2 Service Manual

6. Details

Laser Exposure

Overview
6
1. LD unit
2. Laser shutter
3. Shield glass
4. Polygon mirror
5. F-Theta lens
6. Drum
• Synchronization detector: The 1st mirror, 2nd mirror, and the detector mirror reflect the beam from
the LD unit to the synchronization detector.
• Two laser beams: The LD unit writes two lines at the same time.
• LD safety shutter: When the user opens the front cover, the shutter closes and blocks the laser beam
path.
170
7. Synchronization detector
8. Toroidal lens
9. 1st mirror
10. 2nd mirror
11. Detector mirror