Lexmark 4I3 - Manual (Page 263)

These status messages are correct display sequences during
power-on, but they should not remain on.
If they remain on more than 30 seconds:
1. Turn the power Off (O).
2. Wait 10 seconds, then turn the power On (|).
3. If the printer displays the same message for more than 30
seconds, call for service.
You have selected a print language or display language that is not
available for your feature package. The xxx can be a numeric value
for a print language or a display language.
DIAGNOSTICS IN PROGRESS
DIAGNOSTICS IN PROGRESS
Calibrating Printer
Please Wait
DIAGNOSTICS COMPLETE
xxx OPTION NOT AVAILABLE
Appendix B. Problems B-33