Lexmark 4I3 - Manual (Page 143)

To set the printer address, follow these steps:
a. Turn the power On (|). All indicators and blocks on the
display light, and the alarm beeps. The printer then displays
and an error message displays.
b. Press Stop.
The printer displays
c. Press Menu. Then press Scroll or Scroll until the
printer displays
d. Press Enter.
The printer displays
DIAGNOSTICS IN PROGRESS
DIAGNOSTICS COMPLETE
15 COMMUNICATIONS CHECK
CHECK CABLE
CONFIGURATION MENU
Printer Address
Printer Address
Chapter 2. Attaching the 4230 Printer to Your Computer 2-3