Lexmark 4039-1XX Manuale Utente

General Information

The diagnostic information in this manual will lead you to the correct 
field replaceable unit (FRU) or part. Use the error code charts, 
symptom index, service checks, and diagnostic aids to determine 
the symptom and repair the failure. 

starting on page 5. This printer can be serviced without being 
connected to a host.

After you complete the repair, perform tests as needed to verify the 
repair.