Prusa 3D printer unhappy about loading filament

Issues and Requests
1

Jimmy and I experienced some trouble with the Prusa printer on Sunday. While trying to load filament, there seems to be a physical blockage below the feed gears. It would “chunk chunk chunk chunk” loudly for a bit, with the filament trying hard to advance, but not succeeding. Then after a while of that, selecting “load filament” from the menu would lead to a rapid “click click” through the speaker, with no attempt to feed filament.

I got some experience tearing down the whole thing during the pandemic while making PPE parts, but that’s been a while and I’m rusty on it. If someone knows the troubleshooting steps and can do them or summarize here I’d be grateful

2

Interesting, @CBennett messed around with it for a bit and appeared to be working afterward. Though, I’m not sure if we know what the cause was.

3

Sounds like a nozzle blockage.

4

If it happens again you can contact me and I can come in and help/show you how to troubleshoot the situation to the best of my ability.

5

I think it was plugged, I manually loaded the filament and pushed it thru and it seemed to start working ok.

6

If that happens again, use the acupuncture needle that came with the machine (if it can be found). Carefully insert it 1 or 2cm into the hot nozzle and pull it back out.

If that doesn’t work, try a cold pull:

7

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