Fix: laser engraver not homing properly & belt making loud grinding noise - Atezr P20 Example.
Quick easy fix for incorrect homing & loud belt grinding noise on a laser engraver after initial setup. Correcting invert settings should resolve the issue in most cases. This is shown on the example of Atezr P20 controlled by LightBurn software on Mac computer, but similar general approach will also work with any other brands of laser engravers.
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