xTool D1 loses alignment a few minutes into engraving

Hi Everyone, my xTool D1 is suddenly losing alignment about 5 minutes into an engraving job. I’ve tried tightening the belts, as well as loosening them with the same result. All moving parts are well lubricated. I’ve had the machine for a few months and this just started, though I’ve used it infrequently. Any idea how to solve this? It happens in both x and y directions. I’ll paste my Lightburn console code below in case it helps.

Thanks for the help!

PS, I tried pasting my Lightburn code but got a message about too many links in my post

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