English forum České fórum Polskie forum Forum Français Forum Italiano Foro Español Deutsches Forum Recent Posts Announcements Forums English forum Original Prusa MK4S Hardware, firmware and software help MK4S +MMU3 + 6.40 Alpha FW - Stuck at Reloading Filament - 99% Parking Notifications Clear all MK4S +MMU3 + 6.40 Alpha FW - Stuck at Reloading Filament - 99% Parking Page 2 / 2 Prev 1 2 Last Post RSS GerryPB (@gerrypb) Eminent Member RE: MK4S +MMU3 + 6.40 Alpha FW - Stuck at Reloading Filament - 99% Parking Mine is mk4, still had the issue. I went back to previous firmware and no issue since. Log in to be able to post Posted : 30/11/2025 12:38 am Page 2 / 2 Prev 1 2 Share: