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Problems encountered when using F1 Ultra in combination with Lightburn

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Laser
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2024-12-31

Hello,
we are encountering an issue with our F1 Ultra in combination with Lightburn.
We recently updated everything to the newest version (XCS 2.3.24 / Lightburn 1.7.04 / F1 Ultra 40.52.012.2020.01.ht5 / Plugin 1.4.22)
Today, we experienced a phenomenon where the laser suddenly shifted 1 cm to the left in the middle of the engraving. It then continued engraving precisely for a few times, only to suddenly shift 2 cm to the right.

laser

As we have discovered, this issue occurs exclusively during fill engraving, whereas outline engraving works perfectly.
We added an outline to the letters, and the laser shifts position during the fill engraving but then engraves the subsequent outline in the “correct” position.
Engraving works flawlessly in XCS (xTool software), so it seems to be an issue with FILL ENGRAVING in Lightburn since the last firmware update.

C

    • Leon

      2024-12-31
      Verify Configuration in LightBurn
Check Layer Settings:
Ensure the fill engraving settings in LightBurn (speed, power, and interval settings) are appropriate for your F1 Ultra. Excessive speed or high DPI can sometimes cause skips or shifts.

Try reducing the speed and increasing the interval (lowering DPI).
Confirm that you’re using the correct “Fill” mode (e.g., Fill+Line, or basic Fill).
Optimize Start From Settings:
Make sure the “Start From” setting in LightBurn is set to Absolute Coordinates to avoid positional shifts.
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      • David

        3 days ago
        This looks like a comms issue with the laser itself. Could you describe your connection path over USB? Do you have any USB hubs or extenders in-line that could be removed?
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