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MK3S extrusion length very far off  

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pdice
(@pdice)
New Member
MK3S extrusion length very far off

I had a blob form around the nozzle, due to poor bed adhesion, I cleaned it, but then replaced the nozzle and hotend after it was still a mess.  In the process, something is causing significant under extrusion.  It's almost like the extruder is only moving 10% of what it used to.  It doesn't seem to be jammed, the teeth are clean, it's just not moving anywhere near enough filament out of it.

When i heat the nozzle, and move the extruder through the menu, it's very very far off from what i tell it to do.  For example, I mark the filament, tell it to push 20mm of filament and then when i measure, only 8mm moves.  I can do that over and over and still see only 8mm move.  Is there some setting that i could have messed up?  I did do a few selftests and possible a calibration after i had replaced parts from the menu.  Note, all these test have not been done after generating gcode or anything like that, just using menu driven features.

Postato : 10/09/2020 1:07 am
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