L'Antre du Tryphon
Unclogging a 3D print head is not always an easy task, especially when you lack of the proper tools. They are sometimes hard to find.
To unclog a .35mm J-Head fitted for 1.75 mm filament, I am using a strand of a steel cable and a stake flag. The steel cable strand is small and stiff enough to be inserted in the print head by the tip of it. Its diameter is less than .35 mm. The stake flag provides me a rod that I insert in the filament intake. It is stiff and long enough to push it down to the tip of the print head. Home Depot sells both for less than 4 dollars.
The procedure to unclog the print head is:
That’s it!