Two Trees Sapphire Pro Firmware Upd [FAST — 2024]

It is worth noting that Two Trees (and their parent company, BIQU) have released newer mainboards (like the BIQU SKR series) that run circles around the stock Sapphire Pro board.

Go to LCD: Info or About Printer. You should see the new Marlin version and build date. two trees sapphire pro firmware upd

Run M115 via USB terminal to confirm.

Some Sapphire Pro units come with a "smart" laser module (e.g., 10W or 20W diode with a built-in MCU). This is not updated via the main board flash. Check your module manual—updates are usually done via a USB-C port on the laser module itself, using a separate tool like LaserBox. It is worth noting that Two Trees (and

If your engine no longer responds to PWM after a main board update, re-calibrate the laser frequency: Go to LCD: Info or About Printer

$32=1
$30=1000
$31=0
$1=255  (enable laser during idle)