The Optical Path representing the path that the UV light go through.
The parts below are the main parts involved:
- Projector Lens
- Protection glass
- Resin tank base
How to check
- We can remove the resin tank and then observe the protection glass and projector lens.
Looking for any dusts or residue.
- Check the bottom of the resin tank.
- And sometimes it's not easy to tell whether the lens and glasses are clean. Then we can check with the projector setting.We can go to the projector setting and turn on the projector. Choose 'White' mode. And check the cleaness of the UV light.
If you find that the optical path is contaminated. You can go ahead with Optical path cleaning procedure.