How Do I check if something is wrong with the laser?
If your laser marker doesn’t emit light,
if your laser marker doesn’t mark the surface of an object,
there’s a 70% chance your laser is malfunctioning and a 30% chance your tablet is malfunctioning.
How to tell if your marker laser is broken.
Watch the video below.
If 1 and 2.3 light (red light)
that the laser failure needs repair contact after-sales + 8615825503113.
https://laserexporter.net/portfolio/large-stone-engraving-machine-fully-automatic-high-precision