Epson 4SLC2-50 - Manual (Page 75)

Replacing the Keyboard
After installing a memory module or numeric coprocessor, you
must replace the keyboard. Follow these steps:
1.
2.
3.
Carefully lift the keyboard off the top of the computer, turn
it right side up, and align it over the front of the computer.
Make sure the keyboard cables are not twisted.
Carefully press the keyboard forward until the tabs on the
keyboard fit into the slots on the computer’s cover.
Press down on the front of the keyboard until it is securely in
place.
4-18 Connecting Optional Devices