Before you download any .bin file, you must identify your mainboard. Sunlu has shipped the T3 with different boards over its production run.
Because the Sunlu T3 is open-source and uses a 32-bit board (a clone of the BTT SKR Mini E3 V2), many users recommend switching to custom firmware. Custom Marlin Builds: Builders like sunlu t3 firmware
0;bb7;0;8fa; with TMC2209 stepper drivers in standalone mode. While the printer is praised for its "Fast Print" mode capable of speeds up to 250mm/s, users frequently seek firmware updates to fix bugs like cooling fan misassignments or to add features like Linear Advance. 0;16; Before you download any
