I am a beginner. When engraving, unplanned lines are engraved or cannot be engraved according to the data. I’ll ask for advice.
It could be stray machine noise interfering with the controller…
or…
It could be a background image compression artifact…
Open the project in LightBurn, and then view it in the Preview window, then capture the screen image so we can see.
If It can’t be seen from the image you share, If you are willing, you can post your lbrn file here for assistance.
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