The printer will reboot, and the new firmware will be loaded. 3. Updating the Screen Firmware (TFT)
Robin_nano35.bin (Note: The name must be exact; if your board expects elegoo_nano.bin or similar based on a previous flash, match that).
Two Trees shipped different production runs of the Sapphire Pro with different control boards. You verify your specific board version by removing the bottom printer panel. Installing firmware configured for the wrong board can permanently brick the hardware. two trees sapphire pro firmware upd
Updating the Two Trees Sapphire Pro firmware is the single best "free" upgrade you can give your printer. It transforms the machine from a basic kit into a precision tool. Just remember: before trying something new!
If your Sapphire Pro refuses any firmware update, the bootloader may be corrupted. You would need an ST-Link V2 programmer to reflash the bootloader to the MKS Robin Nano. This is an advanced procedure—seek the Two Trees community forum for step-by-step ST-Link instructions. The printer will reboot, and the new firmware will be loaded
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Once you have the source code, navigate to the Marlin folder and open Configuration.h and Configuration_adv.h . Pay attention to these specific settings: Two Trees shipped different production runs of the
Resolve issues with the stock UI, thermal runaway protection enhancements, and screen freezing.
The Sapphire Pro is a "speed" printer (CoreXY). The default PID values (how the printer maintains temperature) can be unstable at high speeds. Updated firmware allows for PID Autotune to be saved permanently, eliminating temperature fluctuations that cause print defects.
Many users want to add auto-leveling sensors like the BLTouch. Updated firmware is mandatory to enable this functionality SHUI Wiki .
Occasionally, a firmware flash can throw off the touch offsets. Keep a stylus or the original "calibration" file handy if the screen becomes unresponsive to touch.