Note: Look in the "Firmware" folder for the .bin and assets files. TwoTrees3D Support Center
Most Sapphire Pro owners eventually move away from stock firmware. Because the Sapphire Pro uses a CoreXY motion system, standard Marlin provides much better pressure advance and input shaping capabilities. two trees sapphire pro firmware link
The Two Trees Sapphire Pro 3D printer typically runs on open-source Marlin firmware or, for some versions, Klipper (via a separate host). There is no single universal "Sapphire Pro" firmware file; the correct firmware depends on the mainboard version (e.g., MKS Robin Nano V1.3/V2, MKS Gen L, or stock Two Trees board) and the installed display (stock LCD or touch screen). Note: Look in the "Firmware" folder for the
The thermistor table is wrong. Your firmware expects a 100k NTC 3950 thermistor, but your board has a different one. Return to your firmware link and download the version marked THERMISTOR_1 or Generic_3950 . The Two Trees Sapphire Pro 3D printer typically