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Bug found in "Filament-Stuck-in-Printcore"-Procedure

Gero

By Gero
in UltiMaker 3D printers

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Gero

Gero 54

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Posted · Bug found in "Filament-Stuck-in-Printcore"-Procedure

Hello there.

I believe I have found a bug in the procedure that the pro bundle starts when the material station can't retract the filament out of the printcore.

 

I tried printing with BASF PET CF. Sadly the material profile for the material station ALWAYS fails at retract the filament out of the printcore after a finished print. First, I tried to edit the material profile to increase the Break temperature of the filament from 90°C to even 250°C with no change. Maybe I have to set a different Break retraction distance...?

 

Anyway, while I did all these tests I noticed that the procedure to recover stuck filament from the printcore seems to have a bug: at the end of the procedure the build plate almost "falls" to the ground (with a very unpleasant noise).

 

I recorded the end of the procedure. (Around the 0:28 mark)

 

https://www.dropbox.com/s/6r03rbn0dtqdni3/IMG_1896.MOV?dl=0

 

 

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