Lexmark Optra T522 Setup Manual page 13

Screws
Keyhole
Tab
3
Press down on the side door latches and open the
side door.
4
Loosen, but do not remove, the six screws on the
shield.
You need a small Phillips screwdriver to loosen
these screws.
Note: Screws are used to give added protection
against memory theft.
5
Use the tabs to slide the shield up until the top three
screws fit into the three keyholes on the shield.
6
Hold the shield by the tabs and lift it off.
Tab
11