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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 L, CORE One, Original Prusa MK4/S, MK3.9/S, and XL, a gearbox alignment is necessary for user-assembled or serviced gearboxes. This procedure is part of the…