hey all. been printing happily for just over a month. But now i am starting to get some strange black sludge coming from the top of my extruder head. (see picture)
i think it is just old trapped fillament which has slowly boiled to death inside the head and is now coming back for revenge.
it is goopy when hot, cools quickly and becomes very brittle in seconds.
Should i be worried? wipe it clean and carry on? Preform an exorcist? call ghost busters? replace the head? give it a thorough clean?
Any help is appreciated, thanks.
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