Lexmark CX833
Note: These instructions apply only to printers that have a fax card installed.
From the control panel, navigate to Settings > Fax > Fax Setup > Fax Receive Settings > Admin Controls.
Set Enable Caller ID to On.
If the problem persists, then contact customer support.
Does your printer fail to print or scan? Checking the cables, power cord, and print driver can help you solve this problem.
Does your scanner fail to scan or copy documents? Try checking the power cord connection.