Two Trees Sapphire Pro Firmware Upd Fix -

A popular choice is a Custom Marlin Firmware available on Thingiverse, which combines elements of Two Trees and Flying Bear firmware for a simplified UI and improved heating speeds.

: Insert the card into the powered-off printer. Turn it on; the update should begin automatically.

Insert the MicroSD card into the slot on the front of the printer. Power the printer on. two trees sapphire pro firmware upd

It is highly recommended to select "Restore Defaults" and "Store Settings" in the menu to ensure the new firmware overrides old settings. 4. Post-Update: Leveling and Tuning After the update, you must re-calibrate your printer.

For potential direct connection via computer if SD card method fails. A popular choice is a Custom Marlin Firmware

Regardless of whether you chose Marlin or Klipper, you must perform these calibrations before printing:

$100=XX.XX (X-axis steps/mm) $101=XX.XX (Y-axis) $102=XX.XX (Z-axis for laser focus) Insert the MicroSD card into the slot on

Happy engraving – and happy updating!

The file must usually be named Robin_nano35.bin for the printer to recognize it during the boot process.