Filament stuck

Help with printing with specific plastic filaments.
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GH20
Posts: 2
Joined: Sat Mar 16, 2019 1:59 pm

Filament stuck

Post by GH20 » Sat Mar 16, 2019 2:03 pm

Hi,
My PLA filament just got stuck in the nozzle of my Lulzbot mini 2. I have tried cooling down, heating, but it stays stuck.
Can anyone help me please?
GH

nopick
Posts: 979
Joined: Mon Sep 09, 2013 11:14 am

Re: Filament stuck

Post by nopick » Sat Mar 16, 2019 6:27 pm

If you can still grab and pull the filament, remove the hotend cooling fan and warm up the hotend to 220. While it is heating, pull firmly on the filament. Usually, it will soften the filament that is stuck in the cold section of the hotend enough to pull out. It takes a few minutes for the cool section to warm up enough to release the plastic. Be patient.

GH20
Posts: 2
Joined: Sat Mar 16, 2019 1:59 pm

Re: Filament stuck

Post by GH20 » Sun Mar 17, 2019 11:54 am

Thanks!
It worked!

Everyrhing is back to normal again. Thank you for helping me.

b-morgan
Posts: 238
Joined: Fri Aug 11, 2017 8:53 am

Re: Filament stuck

Post by b-morgan » Mon Mar 18, 2019 3:40 am

In the future, you don't need to remove the cooling fan. Just stop it from spinning or block the intake.

nopick
Posts: 979
Joined: Mon Sep 09, 2013 11:14 am

Re: Filament stuck

Post by nopick » Mon Mar 18, 2019 11:01 am

I'm happy it worked out for you!

saildude
Posts: 17
Joined: Mon Mar 04, 2019 12:07 am
Location: Puget Sound
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Re: Filament stuck

Post by saildude » Mon Mar 18, 2019 12:33 pm

Tech support suggested I tape over the fan - did not help me but maybe it will help someome else - filament stayed stuck and had to take the head apart

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