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Flow sensor error with transparent materials.


thorsenrune
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Posted · Flow sensor error with transparent materials.

The UM flow sensor is more than just a sensor or switch which detects if there is a filament or not. The flow sensor detects if the filament is "moving" and is really transported. So it would also detect if there is a clogged nozzle for example. The sensor is an optical sensor as far as I know and the downside is that there could be problems with some transparent filaments. 

 

If you see problems or false alerts with your filament, you can turn the sensor off when printing with that brand of material in the printers menu. Just don't forget to enable it again afterwards.

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    • 3 weeks later...
    Posted · Flow sensor error with transparent materials.
    On 9/20/2021 at 7:19 PM, Smithy said:

    The UM flow sensor is more than just a sensor or switch which detects if there is a filament or not. The flow sensor detects if the filament is "moving" and is really transported. So it would also detect if there is a clogged nozzle for example. The sensor is an optical sensor as far as I know and the downside is that there could be problems with some transparent filaments. 

     

    If you see problems or false alerts with your filament, you can turn the sensor off when printing with that brand of material in the printers menu. Just don't forget to enable it again afterwards.

    I use Ultimaker Filaments with Ultimaker Profiles. Nothing foreign.

    TPU tends to give problems with a printheigh above 5-10mm. I solve that with a micro drop of oil on the filament. 

    Transparent (e.g CPE) apparently need the sensor to be swithed off. So i guess its a optical sensor. If you would share what sensor it is maybe the community could find a solution?

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