Preapre the new filter. Put the filter in the installation position.
Put the front cover of the fan shroud in the installation position by aligning it with the screw holes. Tighten the 5 screws securing the front cover of the fan shroud using a Phillips screwdriver.
Power on the printer. Navigate to "Function - Fans - Model Cooling Fan" on the touchscreen. The printer can be used as usual after the fan rotates normally.