Laser Exposure
Overview
1. LD unit
2. Laser shutter
3. Shield glass
4. Polygon mirror
5. F-Theta lens
6. Drum
7. Synchronization detector
8. Toroidal lens
9. 1st mirror
10. 2nd mirror
11. Detector mirror
• 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.
6. Details
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