Epson 3865X Plus - Manual (Page 115)

If you need to change any jumper settings, follow these steps in
the order listed here as necessary for your system:
1. Follow the instructions in “Removing the Cover,” above, to
remove the computer’s cover.
2. Remove any option cards that may be blocking your access
to the jumpers. See “Removing an Option Card,” on page
5-16, for instructions.
3. Then change the main system board jumper settings as
necessary. See “Setting the Jumpers,” on page 5-9.
4. Replace any option cards you removed. See “Installing an
Option Card,” on page 5-10.
5. Follow the instructions in “Replacing the Cover,” on page
5-34, to replace the computer’s cover.
5-8 Installing and Removing Options