First problems with #prusa mk3s, Firmware 3.7.1 broke the filament loading. Downgraded to 3.5.2 and it's working again. https://github.com/prusa3d/Prusa-Firmware/issues/1873
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Ends up I probably used the wrong firmware. Mine is a MK3 not a MK3S. Would be helpful if the flasher could detect that.
