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MMU2S loading wrong filament  

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AgentNoise
(@agentnoise)
Eminent Member
MMU2S loading wrong filament

The drum is off by 1.  The head moves to the correct position but the drum load filament 2 if I select 1 and 3 if I select 2 etc. I've tried power cycling and reflashing but the drum is always off by 1

Postato : 18/03/2021 1:03 am
PSI-CAD
(@psi-cad)
Trusted Member
RE: MMU2S loading wrong filament

Hi,

I encountered the same problem.

You need to reset the factory configuration 

https://help.prusa3d.com/fr/article/factory-reset-mmu2s_1920

Regards

Didier

 

I3MK3S, MMUS2, CAO NX from SIEMENS

Postato : 21/03/2021 4:04 pm
SuM.Schiedt
(@sum-schiedt)
New Member
RE: MMU2S loading wrong filament

We have the same problem, now I am asking the support because neither reflashing the printer and MMU, soft reset and hard reset didn't help.

Answer to the question "Now we are a little helpless how to get the MMU work proper again, because we do not know how to synchronize head and drum again." was check the FINDA https://help.prusa3d.com/article/finda-setup-and-troubleshooting_2250  

Checking our FINDA seems to be working correct.

Next step after sending a video of feeding the wrong filament was loosening the screws so that they are flush to the plastic part.

After loosening the screws it now works again. Telling the support, that it works again this was the reaction and the explanation of my problem:

"Great. When these screws are too tight, it can press too hard on the idler and it can't turn freely"

The support told me that I also can add https://help.prusa3d.com/article/mmu2s-setup-and-inspection_2233 to my posting here, because it also can help.

Postato : 18/05/2022 9:49 am
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