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Filament gets stuck sometimes - nozzle runs dry

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    Filament gets stuck sometimes - nozzle runs dry

    Hi all,

    I am facing the problem, that the filament feed gets stuck from time to time. bowden extruder setting. You can hear this typical click sounds when the gear slips on the filament. Sometimes I then can pause the print, lift Z +100, retract -10 / +10 / -10 / +10 and then it starts flowing again. lift Z -100 and resume. For sure, this is not the way it is supposed to be working
    Any ideas on this?

    thank you for thinking,
    Mirco

    #2
    I think, it has something to do with the nozzle being congested. I unmounted the hot end and found some filament coming through above the heatbreak. Could be an indicator that the pipe where the filament goes through has some gaps. Will let you know.

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