Small gaps randomly

Any idea on what would cause small gaps to occur randomly during printing? its not at a new layer so I don’t think its retraction issues. I can hear little pops when it occurs and I’ve seen it happen just loading material. I am leaning towards moisture but I’m not sure why it wouldn’t be occurring more. I’m using PLA.

Little pops usually mean moisture. Try baking the filament and see if it clears up.

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