This article explains which ports are needed for the Lexmark ScanBack Utility.
Port 80 is used to retrieve the scanner capabilities and also to send the profile data.
Ports 9705 – 9750: ScanBack listens for scan data in this port range and uses whichever port is free.
NOTE: All the ports mentioned above are HTTP ports.
Please contact Lexmark Technical Support for additional information.
When calling for support you will need to know your printer model type and serial number.
Please call from near the printer in case the technician asks you to perform a task involving the printer.