Lexmark T430

• Code: 975
• Description: Unrecognizable network port
• Remedy: A failure with the network port. If the printer is a network model, replace the controller card.

• Code: 976
• Description: Software error in network port
• Remedy: A failure with the network port. If the printer is a network model, replace the controller card.

• Code: 978
• Description: Bad checksum while programming network port.
• Remedy: A failure with the network port. If the printer is a network model, replace the controller card.

• Code: 979
• Description: Flash parts failed while programming network port.
• Remedy: A failure with the network port. If the printer is a network model, replace the controller card.

• Code: 980 ... 984
• Description: <device> Comm The engine is experiencing unreliable communications to the specified device.
• Remedy: Service errors 980 through 984, <device> can be one of the following: Engine, Duplex, or Tray x (x=1, 2, or 3).