Epson DFX-8000 User Manual page 201

Boards
I n t e r f a c e
3. . Disconnect the printer cable from the printer and the computer.
Then unplug the power cable from the electrical outlet and from
the back of the printer.
CAUTION:
When you install an optional interface board,
4. . If the interface board comes with an FG (frame ground) wire
that is not already attached to the board, attach the wire as
shown below on the right.
Using the Printer Options
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