One specific Prusament Filament will not load; All other filaments load without an issue. Is it a programming issue?
 
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One specific Prusament Filament will not load; All other filaments load without an issue. Is it a programming issue?  

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Kat
 Kat
(@kat-2)
Member
One specific Prusament Filament will not load; All other filaments load without an issue. Is it a programming issue?

I have an MK3 with the MMU3. I've used Prusament, California Filament, and other brands, PLA and PETG without this problem. I recently purchased Prusament PETG Galaxy Black (1.75). I have used Prusament PLA Galaxy Black, along with other colors, and Prusament PETG, along with others. This is the first time I've used this specific type/color. 

This one reel will not load to the nozzle. It doesn't matter what position I use. All other filaments load with no issues.

Here are some of the things I've tried...

* Tried other filaments/filament types (PLA/PETG)-- all load in all positions (1-5) EXCEPT this one Prusament Filament. 

* I've pulled out a ton of filament to *feel* for any obvious inconsistencies in the filament (haven't found any)

* I checked the tension of the filament (how difficult it is to pull into/by the MMU). I didn't find an issue but I have tried multiple different loading configurations, just in case there was too much tension specific between the MMU and the reel.

* I've tried loading it will all other MMU positions filled (5 preloaded to MMU), when only a few positions were filled, and when no other positions were used.

* The temperature requirement for this filament is higher than most of my Prusament PETGs, so I've tried several different temperatures for preloading to the nozzle. 

* I've put it in a Sunlu dryer for 6 hours...just in case....then tried all of the above over again...

What else can I try? Has anyone else had an issue like this? If I had an issue with a generic filament I would chalk this up to a learning moment... 

Thanks,

Kat

Posted : 20/11/2023 3:03 pm
Tojik
(@tojik)
Member Moderator
RE: One specific Prusament Filament will not load; All other filaments load without an issue. Is it a programming issue?

Hi, this is more of an MMU question than a prusalink one

 I eill move your post there

Posted : 20/11/2023 4:33 pm
Tojik
(@tojik)
Member Moderator
RE: One specific Prusament Filament will not load; All other filaments load without an issue. Is it a programming issue?

Where does it get stuck? I would try monitoring the filament sensors to see, whether the finda and the fsensor get triggered reliably, but i am not that experienced in MMU troubleshooting, so please if anyone knows what's up, feel free to respond 😉

Posted : 20/11/2023 4:37 pm
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