Weird lines

Hello. Ive made a lot of successful projects with this printer. Now.im getting these vertical lines on my prints. I am setting to engraving 1300 speed 40 power and 2 passes. They just started showing up.

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My first question would be material - do you get the same lines vertically if you rotate the material 45º or 90º? I can’t tell from the image what your material is!

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i havent tried to reorient the materiel. im using different color metal blanks that ive painted black.

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Gotcha, so it’s unlikely to be in the material itself. There’s been an ongoing issue with vectors getting lines, but these look like they’re rasters. If they’re vectors, the easiest way to fix/double check is to rasterize them.
If they’re already rasters, then try rotating and let us know :slight_smile:

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If you use the term “banding” when searching you will find some similar discussions in the past that might be educational. I’m not sure if any came to a useful conclusion.

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