940.01Lexmark B3340dw

Fix Lexmark B3340dw network error 940.01

The 940.01 error code on the Lexmark B3340dw signifies a failure within the network interface. This disrupts communication between the host computer and the printer. Follow these steps to diagnose and restore network connectivity.

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Common causes

  • 1IP address conflict within the local network.
  • 2Damaged Ethernet cable or port failure.
  • 3Misconfiguration of network parameters after router updates.

Solutions

Reset Network Interface

  1. Go to the printer control panel.
  2. Navigate to 'Network/Ports' > 'Standard Network'.
  3. Reset network settings to defaults and restart the printer.

Cable and Signal Check

  1. Inspect Ethernet cable for physical wear or loose connectors.
  2. Restart your router to clear IP conflict issues.
  3. Confirm that the wireless signal strength is sufficient for stable operation.

Steps to follow

  1. 1

    Check Physical Link

    Ensure the Ethernet cable is securely connected and indicators show activity.

  2. 2

    Configure Static IP

    Assign a static IP to the printer to prevent DHCP-related disconnects.

  3. 3

    Validate Connection

    Print a network settings page to ensure the interface status is active and reachable.

Frequently asked questions

It indicates a communication error between the printer's network adapter and your local network.

Yes, a power cycle of both the printer and the router often resolves transient network communication issues.

It could be due to IP conflicts, low Wi-Fi signal, or outdated network settings on the local router.

Fix Lexmark B3340dw network error 940.01 | Vimazdev