Lexmark 4039-1XX User Manual
Page 24
10
Service Manual
4039-1XX
977 Network Card
Network card is installed but is not
communicating with the system board.
See “Network Card 977 Errors” on
page 23.
978 Network Card
General network card hardware error.
Replace the Network Card.
979 Network Card
General network card software error.
Verify that the network card is installed
and grounded correctly. If this error
returns after a POR, there is a software
or microcode incompatibility problem.
Do Not replace the card. Contact your
next level of support.
990 Duplex Option
Duplex error. See “Duplex” on page 18.
991 Duplex System Card Failure
Duplex system card failure. Replace the
duplex system card.
993 Duplex Comm. Failure
Communications between the duplex
unit and the printer have failed.
Error/Code
Action