Lexmark 302 - Manual (Page 214)

1. Turn the power Off (O).
2. Wait 10 seconds, then turn the power On (|).
3. If the power-on test is successful, resubmit the print job.
4. If the printer displays this status code again, call for service.
1. Turn the power Off (O).
2. Remove the ribbon cartridge.
3. Turn the blue ribbon advance knob to be sure that the ribbon
is advancing correctly.
4. If the ribbon does not advance correctly, replace the ribbon
cartridge.
5. If the ribbon cartridge advances correctly:
a. Turn the power On (|) without the ribbon cartridge.
b. If the printer displays this status code again, call for service.
6. If you try again with a new ribbon cartridge and have the same
problem, call for service.
72 PRINTER BOARD FAILURE
SEE USER'S GUIDE
74 PRINTER BOARD FAILURE
SEE USER'S GUIDE
75 PRINTER BOARD FAILURE
SEE USER'S GUIDE
76 PRINTER BOARD FAILURE
SEE USER'S GUIDE
89 RIBBON JAM
CHECK RIBBON
B-14 User’s Guide Model 302