LaserPro Spirit GE Maintenance Manual - Beam Alignment

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How does the laser beam travel to the working area? 

The laser beam generated by the laser source is reflected and guided by 4 optical lenses on 

to the working area. Therefore the proper adjustment and maintenance of them are crucial. 

Optical Alignment 

Understanding Reflection. 

                          X            X                                                  Y    Y 

Light enters at an angle and leaves at an angle.   

If light enters at an angle X, it will leave at an angle X. 

If light enters at an angle Y, it will leave at an angle Y. 

Beam Alignment 

The laser beam is guided to the top of the working area by using 4 reflective mirrors. 

Therefore, these mirror adjustments are crucial to the proper functioning of the machine. If the 

laser beam is not aligned correctly, the beam path will be shifted or tilted and both rastering 

and vectoring quality will be affected. 

Step 1: Unscrew the back panel of the machine revealing the laser tube and Mirror 1. Turn on 

the machine and enter the hidden diagnostic menu by holding down the Autofocus keys while 

turning on the machine. Select test laser source. Set laser power to about 5%. Remove the 

protective cover of Mirror 1 and remove Mirror 1. Place a cardboard or paper about 1.5 meters 

away from the laser source. Fire the laser until you get a small burnt mark on the cardboard. 

(Determine the laser beam and the red beam are aligned by seeing if the burnt hole is at the 

exact location of the red beam. If they are not, adjust the red beam diode so that the red beam 

and the burnt mark are at the same location.) Place Mirror 1 back to the mirror holder.   

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