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