I often have problems with lines on my prints, I would like to ask if it is a worrying problem or if it can be solved in some way
This is not Ringing… Probably Z banding
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You should take a look at this thread:
H2D Z-Banding - Bambu Lab H2D - Bambu Lab Community Forum
There are several people with similar problems, including myself.
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I understand, do you think it is necessary to return it to replace it or will it be a problem that can be solved via firmware?
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This is hard to answer but you seem to have a similar issue like me. I printed a lot over the weekend to find a solution and something that helped me was to manually calibrate the flow ratio and also look at the z seam settings. My prints are still not perfect but quite a bit better so I think its not a mechanical problem.
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It’s not the printer, it’s the slicer. Check your sliced previews and you might see one that aligns with the defects you’re seeing on the print.
Lowering cooling has helped some people minimize it.
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Check the layer time and flow of your model after you sliced it. There is a high chance that the layer time or flow is different at these layers where the defects occur.
Time yes; but why should the flow be different?
The volumetric flow rate can be different because of slicer settings. For example “slow down for overhangs” will reduce it if I remember correctly.
I think I solved it with a total calibration, now the lines are much less visible
looks like even Bambu is having a little trouble with it. Im sure theyll figure it out and update.
This is from one of their videos.
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Second pic (white) looks like plate adhesion was insufficient and the outer leg of the print shifted. I add single-later adhesion shapes (oval, round, etc.) when that’s a concern.
Possibly a fingerprint on the build plate?