OEM Delonghi Sump, Filter, Handle Assembly Shipped with ECP3420, ECP3630, ECP3220, ECP3220W, ECP3220R, ECP3120 : Amazon.ca: Home
Just got a delonghi ec155m for my wife for Christmas as a first machine. We're complete noobs to espresso. I'm pretty sure the sump there is supposed to turn to be centered
De'Longhi Pump Espresso Machines: Cleaning the Filter Baskets - YouTube