Loosen the 12 screws securing the front cover using a 2.5 mm Allen key.
Lay the front cover flat. Mark the cables on the motherboard using cable ties.
Disconnect the cables from all the ports on the motherboard.
Tear off the black tape attached to the touchescreen port on the motherboard. Remove the touchscreen cable.
Note: Reserve the tape for future use.
Tear off the black tape attached to the LCD screen port on the motherboard. Remove the cable of the LCD screen port.
Note: Reserve the tape for future use.
Loosen the four screws securing the motherboard using a 2.5mm Allen key. Remove the old motherboard.
Prepare the new motherboard. Align it with the screw holes and put it in the installation position. Tighten the four screws using a 2.5 mm Allen key.
Insert the cables into the ports on the motherboard according to the lable information and the port shape.
Insert the cables of the touchscreen. Adhere the tape to the cable port.
Note: The touchscreen cables have a fixed installation position.
Insert the cables of the LCD screen. Adhere the tape to the cable port.
Note: The LCD screen cable has a fixed installation position.
Align the front cover with the screw holes and put it in the installation position. Tighten twelve screws using a 2.5mm Allen key.
Power on the printer. Select "Tools - Calibration - Next". The printer is ready for use if the LCD screen displays ELEGOO logo.