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Ultimaker 3 Extended Print Material Gunking Up

BobbyJackT

By BobbyJackT
in Improve your 3D prints

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BobbyJackT

BobbyJackT 0

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Posted · Ultimaker 3 Extended Print Material Gunking Up

I work for a university and we have two Ultimaker 3 Extended printers, one of them is having an issue where the second filament, PVA, keeps extruding lightly when it should not be and gets all over the print and the PLA. It also sounds like it is crackling when it is extruded as well. When it does try to print PVA though, it does not adhere to the build plate like the PLA does. It also sometimes cracks and does not make it to the nozzle. Anyone know how to fix this?

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    Smithy

    Smithy 1,144

    Posted
    Posted · Ultimaker 3 Extended Print Material Gunking Up

    When you get a sizzle sound during printing PVA, it means that your PVA spool has absorbed too much moisture from the air. PVA is very sensitive and should always stored in a dry place. Never leave your PVA spool on the printer.

     

    You can try another spool of PVA or dry your spool on the heated print bed over night.

     

    Before you print you should also clean your nozzle with some Atomic pulls.

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