Epson Stylus 800 User Manual page 28

Follow these steps:
1. Make sure both the printer and computer are turned off.
2. Plug the cable connector securely into the printer's interface
connector.
3. Squeeze the wire clips together until they lock in place on
both sides. If your cable has a ground wire, connect it to the
ground connector above the interface connector.
4. Plug the other end of the cable into the computer's parallel
interface. If there is a ground wire at the computer end of
the cable, connect it to the ground connector at the back of
the computer.
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Setting Up Your Printer