To perform the red dot adjustment on the galvo E-series that is physically out of phase, follow these steps
First step
Remove the 4 Allen screws that secure the head lead to the Lifting MechanismSecond step
Remove the 4 screws with an allen wrench to remove the top cover
Third step
Once the upper cover is removed, identify the red dot diode, adjust the diode by loosening the screw located at the bottom of the glass or the stud until it is located in the middle of the transparent glass (blue rectangle) to do this, reassemble the head laser on the Lifting Mechanism to align the two red dots that are parallel in the same line
Fourth step
Once the red dot passes through the center of the transparent glass, adjust the lower screw and verify that the focal height can be adjusted by moving the adjustment knob and let join the two red dots.
Fifth step
Finally, place the cover by replacing the 4 allen screws and secure the
laser head to the Lifting Mechanism by adjusting the screws to the guide