Huh... Unless something else is very wrong, apparently loose debris of PETG that get stuck to the underside of the #prusa #mk3s can over time coat it in such a way that the printer will start freaking out from temperature errors...
I wish upgrading to a MK3.5 or even MK4 was cheaper. I cannot justify the upgrade when I can get a whole Core XY printer that's considered a workhorse for the same price as the MK3.5 upgrade... 😢






