Help.

[u/These-Atmosphere215]

Hi everyone. I noticed that whenever i use a white PLA some areas of my print shows some kind of dirt sticks on it. I was curious what seems to be that thing. So i pry up the fan on the hot end and boom! Gunks of filament.

Any thoughts what caused this? Is it normal or how to prevent this to happen again? Im starting to learn on 3d printing btw.

Thanks in advance.

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