Core One L- First print- No filament coming out
 
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Djh 117
(@djh-117)
Member
Core One L- First print- No filament coming out

Hi everyone, I’m new to the forum and just recently received my Prusa CORE One L. I completed the setup and configuration, and everything seemed to go smoothly. However, when I started the test prints, each one never extruded any filament. The prints would get to 30% completion but nothing was coming out of the nozzle, and there was no material on the print bed. This has happened with three different test prints, and I’m not sure what I might be doing wrong. I’m hoping someone here can point me in the right direction. Thanks in advance for any help!

Posted : 07/02/2026 3:00 pm
Diem
 Diem
(@diem)
Illustrious Member

For all problems with new machines and new built kits the best resource is Prusa Support via chat;  you will need your machine's serial number.

Cheerio,

Posted : 07/02/2026 4:03 pm
1 people liked
hyiger
(@hyiger)
Noble Member
RE: Core One L- First print- No filament coming out

 

Posted by: @djh-117

Hi everyone, I’m new to the forum and just recently received my Prusa CORE One L. I completed the setup and configuration, and everything seemed to go smoothly. However, when I started the test prints, each one never extruded any filament. The prints would get to 30% completion but nothing was coming out of the nozzle, and there was no material on the print bed. This has happened with three different test prints, and I’m not sure what I might be doing wrong. I’m hoping someone here can point me in the right direction. Thanks in advance for any help!

Are you printing PLA? It's possible you are getting a nozzle clog but it's only a guess. Best as @diem pointed out is to contact support. 

Posted : 07/02/2026 4:16 pm
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