Installing an interface card
Follow the steps below to install an optional interface card.
Note:
If you install an optional interface card, make sure your printer’s DIP switches are set for automatic or optional interface. See Chapter 4 for information on setting DIP switches.
1.Turn off both your printer and your computer. Then remove all power and interface cables from the printer.
2.Turn the printer so that the rear cover faces you.
3.Open the rear cover.
rear cover
4.Be sure to set any switches and jumpers on the card, as necessary. See the interface card’s manual for details. Make sure that you set jumper JG to on, or the card will not work properly. (To set the jumper to on, cover both wires of the terminal with the rectangular jumper plug.)