After downloading one of the more recent updates, I found that I was having trouble getting LightBurn to communicate with the laser at different times. I found that if I shut my computer down and start it over it would work with no problems. After a while I found that my problem was from some type of conflict between my 3d printing program, Cura, and LightBurn. Problems only happened when both of them were open. As soon as I close Cura then the LightBurn software communicates with the laser with no problems. Now that I know this is an issue it is not a big deal to me. I simply just close Cura and go about my business. I was wondering if anyone else was having this issue.
It sounds like maybe your 3D printer and your Laser are using the Same USB port.
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