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You might want to check the Teflon insulator look here for instructions
It also looks like the space between the Teflon insulator and the steel coupler is to big. It should be around 1mm. Maybe some PLA has entered between them causing a clog higher in the head?
Other things to check:
Filament diameter (must be 2.85mm (with tolerance) not over 3mm)
Rear fan (but it looks like it's working in the video)
Bowden tube friction (is it damaged?) is it well inserted in the Teflon?
Grinded filament, can add extra friction in the bowden
Aside from what Didier said which will explain why you are not getting a proper feed on your filament, I think your bed is too far away as well. Try loosening up the screws a little to get the bed a bit closer to the nozzle.
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DidierKlein 730
You might want to check the Teflon insulator look here for instructions
It also looks like the space between the Teflon insulator and the steel coupler is to big. It should be around 1mm. Maybe some PLA has entered between them causing a clog higher in the head?
Other things to check:
Filament diameter (must be 2.85mm (with tolerance) not over 3mm)
Rear fan (but it looks like it's working in the video)
Bowden tube friction (is it damaged?) is it well inserted in the Teflon?
Grinded filament, can add extra friction in the bowden
Link to post
Share on other sites