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UM3 printing wierd lines and travels that cant be seen in preview


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Posted · UM3 printing wierd lines and travels that cant be seen in preview

Hi, i have this wierd problem suddenly where my printer seems to make some wierd travels and printing extra lines that cant be seen in the g-code preview in Cura.



I've attached pictures which i hope explains the problem. I've circled a few of the "problem" lines that differ from the preview.


From what I can tell this is not stringing but the lines are being fully extruded and the extruder is making these wierd diagonal travels across the support-grid.


Material is Ultimaker PLA, black with settings straight from the NFC chip, i also tried silver, which has been printing perfectly until now. And i also tried slicing a different model with the same issue. I've also tried slicing in both Cura 5.0 and 4.13.1 with similar issues.


I recently did a factory reset of the printer and the issue arose after that.


Any insight would be much appreciated!



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