Lexmark CX833
Try one or more of the following:
From the control panel, navigate to Settings > Reports > Network > Network Setup Page.
Check the network status on the printed page.
If the problem persists, then go to https://www.etherfax.net/lexmark.
Having problems sending or receiving fax messages using etherFAX? Here are basic troubleshooting steps.
Configure your printer to send and receive etherFAX messages.