Try their official website software...

http://www.tp-link.com/en/article/?id=406

Seems that your printer is not in their compatibility list. http://www.tp-link.com/Resources/document/TL-PS310U_Compatibilitylist_20.pdf So there maybe some problem in using it. when you run the scan...

There are two types of VLAN as follows: Port-Based VLAN: Each physical switch port is configured with an access list specifying membership in a set of VLANs. ATM VLAN: Using LAN Emulation (LANE)...

Uninstall anti-virus software and the driver and the utility and then manually reinstall the drvier only. Use the windows configuration tool.........

In Control panel>.....Change adapter settings> Wireless network connection ( SoftAP), right click it, go to properties, go to Sharing, Check both Allow option. then go to the TP utility SoftAP...