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,
Delonghi KG521.M Coffee Grinder Silver | Techinn
IHHS 2016 | *New DeLonghi Digital Coffee Grinder | Expresso Machine | Latte Art | Home Show - YouTube