Epson Stylus Pro 7000 Startup Manual page 20

5. Set the DIP switches and jumpers on the card, if necessary.
See the interface card's documentation for details.
6. Slide the interface card along the slots on both sides of the
interface compartment. Push it in firmly to fully insert the
connector at the rear of the interface card into the printer's
internal socket.
7. Secure the interface card in the slot with the two screws
included with the interface card.
8. Connect a compatible interface cable to the interface card and
to your computer. If the cable has a ground wire, secure it with
one of the screws.
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Setting up the Printer with Your Computer