The Interface Boards

3.Close the upper case. Press down on the front of the case to lock it into place.

4.Reattach the font compartment cover.

WARNING: When you use the optional interface, be sure to disconnect the printer cable from the printer’s built-in parallel interface. You should never leave two interface cables connected at the same time.

5.Replace the ribbon cartridge, printer cover, and any other necessary parts or options.

Appendix A-11