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the filament stop coming out when printing .


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Posted · the filament stop coming out when printing .

when the ultimaker2 is printing something need much retraction , the filament would not coming out because the filament is damaged (not the nozzle block) .

i don't know how to upload a image here ....

how to solve this problem and i want the retraction stay open at the same time .


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    Posted · the filament stop coming out when printing .

    To load a picture click "gallery" in the top left corner of this page. Then click big blue "upload" button.

    Then create a new post and click "my media" next to smile icon.

    Is the filament squished flat? If so the feeder stepper is too hot. How hot is the air in your room? 20C? 30C? 35C?

    Consider removing the left rear servo cover - only 2 screws - very simple. Then put a fan in front of your printer blowing towards the feeder stepper and try printing something with lots of retractions to test.

    PLA gets soft around 50 or 60C and the stepper can easily get up to 80C.


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