Lexmark 302 - Manual (Page 220)

1. Turn the power Off (O).
2. Wait 10 seconds, then turn the power On (|).
3. If the printer displays this status code again, call for service.
| Press Start to set the factory defaults. The printer should follow the
| usual power-on sequence. You then need to reconfigure the printer
and save the values. (See “Storing Configuration Parameters” in
IBM 4232 Printer Model 302 Operator Panel Instructions.)
1. Turn the power Off (O).
2. Wait 10 seconds, then turn the power On (|).
3. If the printer displays this status code again, call for service.
1. Press Stop.
2. Press Start.
3. Contact the system programmer and report the data stream
error.
997 PRINTER BOARD FAILURE
SEE USER'S GUIDE
998 PRINTER BOARD FAILURE
SEE USER'S GUIDE
999 PRINTER CONFIGURATION INVALID
PRESS START TO SET FACTORY DEFAULTS
Axx APPLICATION CHECK
SEE USER'S GUIDE
B-20 User’s Guide Model 302