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Problem With PVA Filament?

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Posted · Problem With PVA Filament?

Hello - we have a Ultimaker S5 Pro Bundle and when trying to do dual extrusion it seems like there are issues with the filament really adhering - both the PVA and the other filament we use (PLA or PETG). 

I have attached a picture of the latest failure.  You can see how there are little bits off to the sides, etc.  We also got an error message that lead to this page:  https://support.makerbot.com/s/article/1667418045432


Any tips would be appreciated.


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    Posted · Problem With PVA Filament?

    Looks like you are not using a prime tower, try enabling that when using PVA.

    Additionally it looks like your pva might be wet and need to be dried. PVA is VERY sensitive to any amount of moisture in the air. 

    You are likely triggering the error message due to a combination of wet material (this can cause poor extrusion and sometimes jamming) and the lack of purge tower means the print core isnt priming the PVA material completely before attempting to print with it.

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