2.5mm Allen key x 1
2.0mm Allen key x 1
1.5mm Allen key x 1
Phillips screwdriver x 1
A new model cooling fan x 2

Power off the printer and unplug the power cord.
Unplug the cables of the rear cooling fan assembly.

Using a 2.5 mm Allen key, loosen the three screws securing the rear cooling fan assembly.

Remove the rear cooling fan assembly.

Using a 1.5 mm Allen key, loosen the two screws securing the print head connection cable.

Disconnect the connection cable of the print head.

Using a 2.0 mm Allen key, loosen the four screws securing the back of the print head assembly.


Using a 2.0 mm Allen key, loosen the two screws securing the front cover of the print head .

Remove the print head assembly.

Remove the front cover of the print head.

Disconnect the two cables of the model cooling fan and nozzle light from the print head adapter board.

Using a 2.0 mm Allen key, loosen the screw securing the leveling sensor.

Using a Phillips screwdriver, loosen the screw securing the airflow unit below the leveling sensor.

Using a Phillips screwdriver, loosen the five screws securing the airflow unit at the bottom.

Remove the airflow unit.

Organize the cables. Remove the nozzle light.

Using a Phillips screwdriver, loosen the two screws securing the model cooling fan.

Remove the old model cooling fan.

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

Using a Phillips screwdriver, tighten the two screws securing the model cooling fan.

Insert the cables of the cooling fan into the adapter board port of the print head.

Using a Phillips screwdriver, loosen the three screws securing the model cooling fan.

Organize the cables. Remove the old model cooling fan.

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


Using a Phillips screwdriver, tighten the three screws securing the model cooling fan.

Insert the cables of the cooling fan into the adapter board port of the print head.

Prepare the base of the airflow unit.

Align the lampshade and nozzle light with the screw holes and put them in the installation position.


Organize the cables. Align the airflow unit with the screw holes and put it in the installation position.

Using a Phillips screwdriver, tighten the five screws securing the airflow unit at the bottom.

Using a Phillips screwdriver, tighten the screw securing the airflow unit below the leveling sensor.

Align the leveling sensor with the screw holes and put it in the installation position.

Using a 2.0 mm Allen key, tighten the screw securing the leveling sensor.

Organize the cables. Insert the cables of the nozzle light into the port on the extruder adapter board of the print head.

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

Prepare the print head assembly. Align the print head assembly with the screw holes and put it in the installation position.

Using a 2.0 mm Allen key, tighten the two screws securing the front cover of the print head.

Using a 2.0 mm Allen key, tighten the four screws securing the back of the print head assembly.


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

Using a 2.5mm Allen key, tighten the three screws securing the rear cooling fan assembly.

Plug the cables of the rear cooling fan assembly.

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

Using a 1.5 mm Allen key, tighten the two screws securing the connection cable port of the print head.

Plug in the power cord and power on the printer.
Select Setting - Fan on the touchscreen.

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The model cooling fan is running normally, the printer is ready for use after leveling.