Ender 3 pro 4.2.7 marlin firmware July 8, 2019 16 32 64 128 Ender 3 4.2 7 marlin firmware Marlin firmware ender 3 pro cr touch 4.2 7 Marlin firmware ender 3 pro bltouch 4.2 7 Marlin 2.1 firmware ender 3 Ender 5 pro firmware update Ender 3 s1 software Marlin ender 5
