Nikon Z fc N2016 Reference Manual page 576

3
Remove any dust and lint from the sensor with a blower.
･ Do not use a blower-brush. The bristles could damage the sensor.
･ Dirt that cannot be removed with a blower can only be removed
by Nikon-authorized service personnel. Under no circumstances
should you touch or wipe the sensor.
4
Replace the lens or supplied body cap.
Caring for the camera
576