The Original Prusa FFF printers and upgrades use a screw(s) with a spring(s) to provide tension between the filament and the filament pulley. It is important to have this tension…
On the Prusa CORE One, the Original Prusa MK4/S, MK3.9/S, a gearbox alignment is necessary for user-assembled or serviced gearboxes. This procedure is part of the Selftest or can…