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Replaced my nozzle and filament won't load  

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AMir
 AMir
(@amir)
New Member
Replaced my nozzle and filament won't load

Hi
I recently replaced my nozzle with a 0.25 mm nozzle to get more detail on some finer prints. I have Mk3s with MMU2S upgrade. 
Now, when loading filament from MMU2S to the extruder, it will send filament down the tube to the extruder, then pull it back. This goes on a few times, and then stops. Sometimes I get an error, and sometimes the extruder thinks there's filament there and starts a phantom print. I think I have everything rotated back into place properly. Any ideas where I should start? I don't hear anything strange. Could it be banging against the heatbreak or something?

Thanks for your help!

 

Posted : 15/12/2020 11:57 am
cwbullet
(@cwbullet)
RE: Replaced my nozzle and filament won't load

Check to see that the nozzle is drilled out.  There should be a hole through it.  

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Chuck H
3D Printer Review Blog

Posted : 15/12/2020 11:58 am
Erik
 Erik
(@erik-3)
Estimable Member
Sensor Info

Go into the sensor menu and manually load a piece of filament down through the chimney and into the hot nozzle. If the PINDA sensor ever flashes to 0 once the filament is in the chimney it will assume that a load error has occurred and try again. You need to adjust the chimney so that sensor stays 1 once the filament is inserted.

Posted : 26/10/2021 7:17 pm
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