A screwdriver can be
R E P A I R S
7.4.12 Remove front ring
The front ring (15)
is fixed on the brewing unit housing with 4 latches (2 at each side),
has a detachable front cover (14).
Press front ring (15) together at right side to release 2 latches.
Simultaneously swivel front ring to the left to open these latches.
Repeat same procedure at the left side and remove front ring.
Pixie service manual