Laser Exposure; Overview - Ricoh M001 Service Manual

Printing Process

6.3.2 LASER EXPOSURE

Overview

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.
M001
7. Synchronization detector
8. Toroidal lens
9. 1st mirror
10. 2nd mirror
11. Detector mirror
6-6 SM