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ASPRINT
(@asprint)
Active Member
Weird marks on print

Hello Prusa Community!

Unfortunately I have been having a weird issue with each and every print since I upgraded to the MK4S from the MK4S. What happen is there are weird imperfections on every layer of the print. I tried a different filament, different print, and a different slicer with no luck. I then reached out to Prusa support on 3 separate occasions but had no luck fixing it. I have tried almost everything and am out of ideas. Please advise. Thanks so much for your help!

Sincerely,

ASPRINT

Attached is an image of a print with the imperfections

ASPRINT-(Proudly)MK4S MMU3 Owner

Posted : 15/06/2025 8:04 pm
Mukluk Actual
(@mukluk-actual)
Active Member
RE: Weird marks on print

Has anyone suggested over-extrusion as the cause?

If you're looking for a great resource, I recommend Sean Aranda's "3D Printing Failures; How to Diagnose and Repair All Desktop 3D Printing Failures."

https://www.amazon.com/dp/B09NH3BB9F?ref_=ppx_hzod_title_dt_b_fed_asin_title_0_0

Posted : 15/06/2025 8:21 pm
ASPRINT
(@asprint)
Active Member
Topic starter answered:
RE: Weird marks on print

Unfortunately, I had no luck when i decreased the extrusion multiplier to .85

ASPRINT-(Proudly)MK4S MMU3 Owner

Posted : 17/06/2025 12:11 pm
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