Cannot retrieve scan applications list from the PC; Cannot complete a wireless connection;
Network security software may hinder installation and scan usage
See this article for further information on how to unblock programs from the firewall software.
Please contact Lexmark Technical Support for additional assistance. NOTE: When calling for service, 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.