This guide provides methods for resetting the screen and controller, which you can refer to for the operating steps when needed.
Reference Video:
Power on the printer.
Connect the printer to the Snapmaker Luban software via a USB cable (Serial Port -> COM* -> Connect).
Connecting the machine to Snapmaker Luban via the serial port:
https://wiki.snapmaker.com/en/Snapmaker_Luban/manual/connect_the_machine_to_luban
On the Console panel, input the M502 command and press Enter.
Input the M500 command and press Enter to save the settings.