I am getting these random circles insted of letters.
Speed is 1000 mm/m
Power is at 60%
Creality Cr Falcon laser 10 W
What do you see when you view the project output through the Preview Window? This tool will display the cuts and travels expected: Preview Window - LightBurn Documentation. Pleae include a screenshot of the preview & artwork in the LightBurn workspace.
butting in a moment
I have seen this before when kerf is enabled on the layer
However is odd that it only affects SOME letters
Could you post your LBRN so we can take a looksy?