A flat head screwdriver
A Phillips screwdriver
A new motherboard

Turn the power switch OFF (symbol "〇") and unplug the power supply cable.
Loosen the five screws securing the bottom cover with a Phillips screwdriver.

Open the bottom cover carefully. Disconnect the cable of the motherboard cooling fan and remove the bottom cover.

Use labelled cable ties to mark the unlabelled cable and make sure the cables correspond to the port names on the motherboard.

Remove the hot-melt adhesive securing the cable in the top-left corner with a pair of pliers.

Unplug the cables connected to the motherboard.

Use a flathead screwdriver to loosen the screws securing the heated bed wire by turning them anti-clockwise. Unplug the heated bed wire.
Note: If the heated bed wire is difficult to unplug, loosen the screws again. Do not force the cable out.

Turn the screws securing the motherboard wires anticlockwise with a Phillips screwdriver and loosen them. Remove the wires.

Disconnect the touch screen wire.

Loosen the four screws securing the motherboard with a Phillips screwdriver and remove the old motherboard.


Align the new motherboard with the screw holes and the slots on the side of the base. Press it and put it in the installation position.

Tighten the four screws securing the motherboard with a Phillips screwdriver.

Insert the plugs accoridng to the labels into the ports on the motherboard.

Loosen the screws of the new motherboard and power supply ports. Plug in the power supply cable according to the cable ties.

Loosen the screws securing the motherboard wires with a Phillips screwdriver. Insert the motherboard wires and tighten the screws.
Note: The red wire connects with the positive port (marked +) and the black wire connects with the negative port (marked --). Do not insert the wires incorrectly, as this may damage the motherboard.

Put the touch screen on the bracket and plug in the connection wire.

Get the bottom cover and plug in the motherboard cooling fan cable.

Tighten the five screws securing the bottom cover with a Phillips screwdriver.

Plug in the power supply cable and turn the power switch ON (symbol "|").
On the touch screen, preheat the printer.


After the temperature reaches the preset value, reset the Z-offset value and re-level the printer. And the printer is ready for use.
