80.04MS431dw

Lexmark MS431dw error 80.04: Network Connection Fix

The Lexmark MS431dw error 80.04 signals that the onboard network adapter has lost communication with the host. This issue is typically caused by an IP address conflict or a faulty network cable. When your Lexmark MS431dw shows error 80.04, the most effective solution is to check your physical connections and reset your network configuration settings.

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Common causes

  • 1IP address conflict on the local network.
  • 2Damaged Ethernet cable.
  • 3Wi-Fi signal interference.
  • 4DHCP lease expiration issues.

Solutions

Diagnóstico rápido

The 80.04 error is identified by loss of connectivity to the printer server. Check if the IP address is valid by printing a network setup page.

Solución paso a paso

  1. Verify: Ensure the Ethernet/Wi-Fi cable is securely attached.
  2. Reset: Go to 'Network/Ports' in the settings and reset defaults.
  3. Static IP: Configure a manual IP if DHCP is causing conflicts.
  4. Restart: Reboot your office router to refresh IP tables.

Prevención y mantenimiento

Use high-quality shielded Ethernet cables. Assigning a static IP is the best way to prevent the 80.04 error in networked office environments. Keep firmware up to date to ensure compatibility.

Cuándo llamar a un técnico

If the error continues after configuring a static IP, the onboard network card may be faulty.

Ficha técnica del equipo

  • Technology: Monochrome Laser
  • Speed: 42 ppm
  • Connectivity: USB, Gigabit Ethernet, Wi-Fi
  • Paper Capacity: 350 sheets
  • Consumable: 55B Series
  • Recommended Use: Connected office printing
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Physical Check

    Ensure the Ethernet cable is plugged in or Wi-Fi is actively broadcasting.

  2. 2

    Network Reset

    Access the settings menu and reset all network parameters to defaults.

  3. 3

    Static IP

    Assign a static IP if conflicts with DHCP persist.

Frequently asked questions

This error shows a loss of communication between the printer and the router, typically caused by an IP conflict.

If you are in a managed office, you may need an administrator's permission to modify IP settings.

It uses the Lexmark 55B series; original toners are recommended for stability.

Cleaning isn't necessary, but check that cables are not pinched or damaged.