Ender 3 pro bl touch firmware 4.2 2 July 8, 2019 16 32 64 128 Ender 3 bltouch firmware 4.2 2 Ender 3 max bl touch firmware 4.2 2 Ender 3 bltouch setup Ender 3 bltouch marlin configuration Ender 5 pro firmware update Ender 3 s1 upgrade firmware
