Roland LV-290 User Manual page 207

Laser engraver
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4)
Loosen the thumbscrew securing mirror #1.
5)
Clean the mirror in the proper manner.
6)
Place the mirror back to the optics holder after cleaning.
7)
Tighten the thumbscrew.
8)
Close and secure all the covers.
Mirror 2, 3, 4
These mirrors are located in the work table area of this machine.
Mirror 3
Mirror 2
1)
Unscrew and remove the black dust cover covering mirror 2.
2)
Unscrew the thumbscrew holding mirror 2 in place.
3)
Clean the lens in the proper manner.
4)
Place the mirror back to the optics holder after cleaning.
5)
Tighten the thumbscrew.
6)
Close and secure the black dust cover.
Mirror 3
1)
Unscrew the thumbscrew holding mirror 3 in place.
2)
Clean the lens in the proper manner.
3)
Place the mirror back to the optics holder after cleaning.
4)
Tighten the thumbscrew.
Thumbscrew
Mirror 2
Mirror 4
205

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