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Posted · UM3 second extruder problem

Just wondering if anyone else has had this problem.  I have an UM3 and just started trying to print with 2 filaments - PLA/PVA.  

My printer always extrudes the second filament (PVA) from a distance above the bed as it seems to miss the lift notch when it switches to the second extruder.

I'm using Cura 4.5/most recent UM3 firmware.


I have done the lift switch calibration, a full factory reset, and the XY offset print actually prints fine - the extruders are raised and lowered appropriately and there is no major offset noted.


Thanks for any help that anyone can offer.

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