Ender 3 Max - v4.2.7 Control Board (Initial Beta Release) Ender3-Max-v4.2.7-<date>.bin - Adds G2 G3 Arc support - Adds G10 G11 Firmware based retraction (Use M207, M208, M209 to configure) - Adds M600 - Filament Change - Adds M603 - Set Filament Load Unload length - Adds M701 - Load Filament - Adds M702 - Unload Filament - Enabled Advanced OK - Enabled CLASSICJERK - Enabled Filament .. Download Product Firmware. Ender-3 BL TOUCH (without adapter board) Filament Detection 31 Mar. 2022. Download. Release Notes. Ender-3Marlin2.0.6HW4.2.7 24 Mar. 2022. Download. Release Notes. Ender-3 Marlin2.0.6 CR-touch or.