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Erroneous out of filament reports

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Posted · Erroneous out of filament reports

Printing with TPU.  After several successful prints I have begun seeing thee attached message.  After touching OK and then resume printing resumes until the next fault.  In a 100 mm tall object this has happened many times.  The extruder drive is clear and the filament feeds freely from the spool.  Even pulling a few meters free does not prevent the fault.


Where and how does this printer sense filament out?


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    Posted · Erroneous out of filament reports

    Hey @pcresch,


    Welcome to the Ultimaker Community 🚀 

    The filament flow sensor is triggered by a passive weel that's moving in your feeder. 
    Personally I increase the feeder tension for TPU slightly to reduce the amount of false positives. 
    You can learn about how to do that here.


    It also helps to be on the latest version of the firmware. We've made large improvements in the accuracy of the readings since the launch that are available if you upgrade your firmware.

    Hope this helps. Good luck 💪

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