How to Solve Hot End Filament Leak Problem for Anet ET4 3D Printer
When hot end filament leak happens on Anet ET4 or any other type of desktop FDM 3D printer, it’s probably caused by loose heat break (or hot end throat) installation. There is a tiny gap between the throat and the heat block. By reinstalling it thoroughly into the heat block, we can solve the problem.
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