Ensure the card is empty; it is best to format it before starting. Stavros' Notes 3. Obtain Firmware Files
: Run PID calibration for both the bed and the hotend to prevent thermal fluctuations. Use the command M303 E0 S210 C8 U1 for the hotend.
This method is the standard and most widely supported way to update Marlin firmware on the Two Trees Sapphire Pro. two trees sapphire pro firmware upd
You generally need two items in the root directory of your card: Robin_nano35.bin (the main firmware binary). folder (contains UI icons and fonts). 4. Flash the Firmware Power Off: Turn off your printer completely. Insert Card:
Once the update hits 100%, the printer will reboot into the new interface. Ensure the card is empty; it is best
Place the prepared microSD card into the slot on the motherboard.
Ensure the file is named correctly (usually robin_nano.bin or robin_nano35.bin for newer screens). If the screen shows "No Printer Data," the firmware might not match the screen type. Use the command M303 E0 S210 C8 U1 for the hotend
Ensure thermal runaway protection is active to prevent fire hazards.
This guide will walk you through the essential steps to update the firmware on your . Why Update Your Sapphire Pro Firmware?
A small capacity card (4GB-16GB recommended, FAT32 format).