Using the E3D Hardened Steel Volcano Nozzle is easy. First, make sure it's properly installed with the Volcano block. You can then start printing large layer heights at high flow rates. When using it, avoid printing with very rough or hard - to - handle filaments without checking if the nozzle can handle them. For maintenance, regularly check for any signs of wear. If you notice the printing quality dropping, it might be time to clean or replace the nozzle. Also, store the nozzle in a dry place to prevent rust. And don't forget, these nozzles are built to last, but taking good care of them will ensure long - term performance.