Epson Z8250NL - Manual (Page 194)

Installing Optional and Supplied Accessories
194
B
While pulling up the interface cover open switch, pull the
interface cover straight out.
Attaching
Procedure
A
Remove the top cover when ejecting the connected cables
upward. Remove the bottom cover when ejecting the
connected cables downward.
B
Install the cover along the guide.
C
Tighten the screw. (Thumb screw available on the PowerLite
Pro Z8255NL/Z8455WUNL only.)