The charged surface of the drum is scanned by the laser beam from the laser unit. The polygon motor (M5) rotates to reflect the laser beam over the drum. Various lenses and mirrors are housed in the laser unit, to adjust the diameter of the laser beam, and focus it on the drum surface.
No. | Name | No. | Name |
---|---|---|---|
1 | Polygon motor (M5) | 4 | Unit base |
2 | f-theta main lens | 5 | Unit cover |
3 | Dust shield glass | 6 | Mirror |