Epson Equity Ie Q50188015-1 - Manual (Page 75)

2. The top cover is secured by three screws along the top of the back panel
and two screws on each side of the main unit. Remove the screws and
put them in a safe place.
back panel screws
3. Now turn the main unit around so the front panel faces you. Grasp the
cover and pull it toward you, away from the back of the computer.
4. When the cover clears the main unit, lift it off and set it aside.
A-2 Installing Option Cards