Epson EPL-N2050 Setup Manual page 18

Note:
If you installed an optional memory module, Installed Memory shows
the total size including both default 16 MB and the optional module's
size. However, if you installed one 256 MB-DIMM, the status sheet
shows just 256 MB because the maximum memory size for this printer
is 256 MB.
w
Warning:
Avoid touching electrical components that are exposed after you
have removed the printer's casing. They may be very hot if the
printer has been in use.
1. Make sure the printer is off.
2. Face the left side of the printer.
3. Loosen the two retaining screws on the back of the printer and
remove the left side casing of the printer.
12
Installing the Options