Epson ActionDesk 4000 User Manual page 70

Refer to the illustrations below and follow these steps to install
an option card:
1. If you are using a l6-bit option slot, go on to step 2. If you
are using an 8-bit slot near the power supply, you need to
move the power supply before you can remove the metal
slot cover.
Remove the three screws securing the power supply to the
computer, as shown below. Be careful not to disconnect any
of the cables. Slide the power supply away from the slots
until you
4-16 Installing and Removing Options
can remove the slot covers easily.