80.00Lexmark B2236dw

Fixing Lexmark B2236dw Error 80.00: Network Connectivity

The 80.00 error code on the Lexmark B2236dw indicates a communication failure with the network adapter or router. This prevents the printer from being detected on the LAN, disrupting mobile and desktop printing. Follow these steps to restore connectivity.

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Common causes

  • 1IP address conflict within the local network.
  • 22.4GHz interference from surrounding Wi-Fi networks.
  • 3Incorrect TCP/IP port configuration on client drivers.

Solutions

Reset Network Adapter

  1. On the printer control panel, go to Settings > Network.
  2. Select 'Reset Network Settings'.
  3. Power cycle the printer to apply changes.

Manual IP Configuration

  1. Access the Embedded Web Server (EWS) via current IP.
  2. Set a Static IP outside the DHCP range.
  3. Save changes and restart.

Steps to follow

  1. 1

    Check link status

    Verify your router is broadcasting Wi-Fi normally.

  2. 2

    Re-configure SSID

    Use the printer's front panel to rejoin your wireless network.

  3. 3

    Verify connectivity

    Ping the printer IP from a connected computer to confirm reachability.

Frequently asked questions

Print a network configuration page from the printer menu to verify the assigned IP.

If hardwired, check for link lights. Try swapping the Ethernet cable if no lights appear.

No, just ensure port 9100 is allowed for traffic to flow properly.