Interface Boards
All Epson interfaces have the Epson name printed on them. If
the board has an identification code printed on it, it will be a four digit number beginning with 8, and should correspond to one of the numbers listed in the table above.
Installing the interface boardRemoving the upper case
CAUTION: Use caution when removing or attaching the upper case to avoid damaging the printer.
1.Make sure that the printer is turned off, then remove the printer cover and paper guide.
WARNING: Turn the printer off before unplugging the power cable from the AC outlet.