1 Needs a subscription. For more information, go to https://www.etherfax.net/lexmark or contact the place where you purchased the printer.
2 Needs an installed license bundle. For more information, contact the place where you purchased the printer.
This article serves as a guide to gathering necessary information before opening an escalation item for fax issues.
Here are information on the types of flash drives supported by the printer and the list of file types printed from the USB.