3 Installation
3.3 Installation Instructions
MOVIA, 2-Axis Scan Head – User Manual, 1040–0004 Rev. 03
16
3.3.6
INSTALL THE F-THETA LENS AND REQUIRED LENS SPACER
Positioning of the F-Theta lens relative to the scan head is critical for both
scanning performance and safety of the scanning mirrors.
Contact Cambridge Technology for F-Theta lens and lens spacer
recommendations that will eliminate damaging major or minor back reflections
from the optics onto the surface of the mirrors.
While Cambridge Technology can create custom spacers for non-standard lenses,
you may also create a lens spacer. Contact Cambridge Technology for this
product’s model-specific drawing or the 3D Customer CAD model drawing to
create a lens spacer.
When installing the F-Theta lens and spacer, ensure that your laser is powered
down. Thread the spacer fully into the scan head, and then thread the F-Theta lens
fully into the spacer. Failing to do so can lead to back reflections that could
damage the mirrors in the scan head.
3.3.7
PERFORM SCAN HEAD CALIBRATION
DANGER
Laser radiation
can cause severe retinal and corneal burns, burns on the skin, and may pose a
fire risk.
•
Never stare into the laser’s beam, place any parts of your body in the beam
path, or expose yourself to reflections of beams.
