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Excessive amount of burnt black crust forming on the nozzle only when printing with PVA


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Posted · Excessive amount of burnt black crust forming on the nozzle only when printing with PVA

Which settings in Cura need to be changed in order to prevent an excessive amount of burnt black crust forming on the nozzle when printing with PVA? I am using an Ultimaker S3, and only have this buildup of black debris form when printing with PVA.

 

How can we fix this issue without causing adhesion issues etc.?

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    Posted · Excessive amount of burnt black crust forming on the nozzle only when printing with PVA

    As someone who has never printed PVA, I can somewhat confidently say that either you have it too hot or that you have it too hot for your flow rate. @gr5 might be around here somewhere and can possibly give you a better answer.

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