how i can open Krups KA850 food processor?

Food processor Krups Ref: KA850D44/700-3608-R,, type KA850
Iam having promblem opening this food processor its stop working check the fuse on top plug is fine i have volt stick to check if power going to the appliance is ok
on baseof the appliance there are screws did open them still the appliance doesnt open
please anyone has got any idea how to open