A 2.5 mm Allen key
A 2.0 mm Allen key
A 1.5 mm Allen key
A new tool head board

https://www.youtube.com/watch?v=0XCBpwRAjXE
Turn the power switch OFF (symbol "〇") and unplug the power supply cable.
Remove the lid.

Open the front cover of the tool head. Unplug the cable of the model cooling fan. Remove the front cover of the tool head.


Loosen the screws securing the hotend with a 2.5mm Allen key. Remove the screws with a pair of tweezers.

Remove the plugs with a pair of tweezers.

Loosen the two screws securing the extruder communication cable with a 1.5 mm Allen key. Remove the screws with a pair of tweezers.

Loosen the screws securing the tank chain with a 2.5mm Allen key. Remove the screws with a pair of tweezers.

Unplug the extruder communication cable.

Release and remove the three screws securing the back cover of the tool head with a 2.0 mm Allen key.

Release and remove the screws securing the tool head board with a 2.0 mm Allen key. Remove the tool head board.


Prepare the new tool head board and put it in the installation position.

Tighten the screws securing the tool head board.

Put the back cover of tool head board in the installation position. Tighten the three screws securing the back cover.


Plug in the extruder communication cable.

Tighten the two screws securing the extruder communication cable with a 1.5 mm Allen key.

Put the tank chain in the installation position. Tighten the screw securing the tank chain.

Insert the plugs with a pair of tweezers.

Put the hotend in the installation position and tighten the two screws.

Plug in the cable of the motherboard cooling fan. Install the front cover of the tool head.


Plug in the power supply cable. Turn the power switch ON (symbol "|") .
On the touch screen, select Settings - Calibration - One-Click self-check - All - Start. The printer is ready for use after the self-check.


