733D SYSTEMS, INC.
4. Place the ball in the middle of the laser window and gently move
from the inside to the outside of the window. Make sure no sharp
edges get close to the glass.
NOTE: Make sure you always turn the same direction, so
you don’t get the dirt back to the middle.
5. Repeat Steps 3 and 4 a couple of times.
6. Check to see if the window is clean. To check if window is clean
take an LED ashlight and move the light into different angles to
see of there are any streaks and/or dust left on the window.