I this z banding ? If so how do I fix it ?
You need to retension your belts
I just re tensioned the 2 belts on the back last week.
Is it possible you did not tighten the screws enough?
It is extrusion problems, not and banding issue…
Like or not but Bambu does not do a great job when it comes to properly calibrated filaments.
I struggled with these issues until I did a full calibration of my filaments.
It won’t fix all issues but once k-factor and extrusion rate are good these weird wall defects are almost fully gone.
Try the Benchy and once the the rounded front comes out fine you are good to go.
Last night I attempted to retention the z-belt and it seems to have taken care of this problem.
Again, the issue was the belt that drives the z rod that is located under the 3D printer
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