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Lexmark CX921

Lexmark CX921

IP Address Will Automatically be set to When Disconnected From the Network

Affected products



in the title section above.

What you will see

When a user disconnects a Lexmark device running firmware version XXXXX.05x.yy or later from the network, the IP address will automatically be set to This also occurs even if the device has a static IP already saved in the device.


The development team has confirmed that the DHCP/IP address acquisition package has been upgraded since firmware version XXXXX.05x.yy. When the printer is disconnected from the network, it will set the IP address to

Therefore the Lexmark device is functioning as designed (FAD) since updating to FW5. Even if the Lexmark device has a saved static IP, the printer will still display if it is not connected to the network. As soon as the network cable is reconnected, the printer will acquire the Static IP and display it on the operator panel.


To acquire the printer's IP address, reconnect the printer to the network. As soon as the network connection is re-established the printer will automatically acquire an IP address. For a static IP connection, the printer will recall the last IP address that was set and restore it once the connection is established.

This is applicable for both a wired and wireless connection;

  • For printers connected via Ethernet cable, reattach the cable to the printer.
  • For printers connected wirelessly, make sure that the wireless router/switch/access point is powered ON and the wireless printer is configured to connect to the wireless network.

Still need help?

If you need additional assistance, please close this browser tab or go to the Lexmark support site, type your printer model and locate

Get in Touch with Lexmark! for contact information.
When calling for support, you will need the following:

  • Affected printer model
  • Printer serial number

Please be near the product/s described in this article to expedite the support process and reduce callbacks.


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