2.5 mm Allen key x 1
2.0 mm Allen key x 1
1.5mm Allen key x 1
A Phillips screwdriver
A new heat break cooling fan

Turn the power switch OFF (symbol "〇") and unplug the power supply cable.
Unplug the cables of the rear cooling fan assembly.

Loosen the three screws securing the rear cooling fan assembly with a 2.5 mm Allen key.

Remove the rear cooling fan assembly.

Loosen the two screws securing the print head connection cable with a 1.5 mm Allen key.

Disconnect the connection cable of the print head.

Loosen the four screws securing the back of the print head assembly with a 2.0 mm Allen key.


Loosen the two screws securing the front cover of the print head with a 2.0 mm Allen key.

Remove the print head assembly.

Remove the front cover of the print head.

Disconnect the cables of the heat break cooling fan, model cooling fan, nozzle light and leveling sensor from the print head adapter board.

Loosen the four screws on the two sides of the model cooling fan support with a Phillips screwdriver.


Pull model cooling fan support downward and remove it.

Loosen the two screws securing the heat break cooling fan with a Phillips screwdriver.

Remove the old heat break cooling fan.

Prepare the new heat break cooling fan and put it in the installation position.

Tighten the two screws securing the heat break cooling fan with a Phillips screwdriver.

Organize the cables and put the model cooling fan support in the installation position.

Tighten the four screws on the two sides of the model cooling fan support with a Phillips screwdriver.


Insert the cables of the heat break cooling fan, model cooling fan, nozzle light and leveling sensor on the print head adapter board.

Organize the internal cables of the print head. Install the front cover of the print head assembly.

Put the print head assembly in the installation position. Tighten the two screws securing the front cover of the print head with a 2.0 mm Allen key.

Tighten the four screws securing the back of the print head assembly with a 2.0 mm Allen key.

Prepare the rear cooling fan assembly. Align it with the screw holes and put it in the installation position.

Tighten the three screws securing the rear cooling fan assembly with a 2.5 mm Allen key.

Plug in the cables of the rear cooling fan assembly.

Insert the connection cable of the print head into the port.

Tighten the two screws securing the connection cable port of the print head with a 1.5 mm Allen key.

Plug in the power supply cable and turn the power switch ON (symbol "|").
On the touch screen, select Prepare - Temperature. Set the temperature of the nozzle to 220 ℃.


The heat break cooling fan works normally. The printer is ready for use after it is re-leveled.
