Two Trees Sapphire Pro Firmware Upd

Sometimes a two trees sapphire pro firmware upd introduces instability (rare, but possible). To revert:

Always keep a copy of your working firmware on your PC.

This updates the UV LCD controller for exposure timing and light uniformity. two trees sapphire pro firmware upd

Two Trees produced the Sapphire Pro with at least two different mainboard iterations:

How to check: Open the electronics case under the printer. Look for the silkscreen text on the board. Sometimes a two trees sapphire pro firmware upd

Go to LCD: Info or About Printer. You should see the new Marlin version and build date.

Run M115 via USB terminal to confirm.

⚠️ Warning: Do NOT power off during the LED blinking. This corrupts the bootloader.