Push the extension rod to the rear end of the base.
In LightBurn, go to the "Move" tab.
Under Power, click Fire to emit a low-power blue laser beam.
Enter coordinates 0,0 in the “Move to Position” field and click Go to move the laser to the origin.
Change the Distance to 300mm, and click Move Y+.
Make sure the extension rod is properly aligned and that the 300mm range is within the machine’s supported frame without exceeding limits (refer to diagram).