Bought this KG521M as a second hand but when I'm trying to grind the beans to espresso setting, ground beans are getting stucked. I already used medium beans so it's not oily,
How to programme the settings on the De'Longhi KG520.M Dedica Grinder - YouTube
Digital Coffee Grinder | DeLonghi
KG521.M Dedica Electric coffee grinder | De'Longhi International