Questions about New Classic

58mm

I've been using the machine for two years. It's normal that you have to heat it up for a few minutes to get a good espresso. I switch it on and after a few minutes I let out an espresso cup of water so that the portafilter comes into contact with hot water and the stale tap water is gone. After 5-10 minutes, remove the portafilter and rinse again with hot water from the machine in case there is any