Can you try DMZ in router settings, type in local IP from web server.

Thanks for firmware. I'll uploading for my polish tp-link forum. ;) http://forum.jimasek.elektroda.eu/smf

My proposition for WR740N settings - LINK

Base question, about your WAN IP address. You need to have public IP on this interface.

Base question, can you make connection by the LCD screen in printer? Can you see there SSID (wireless network name) and make connect?

I have WDR4300 and WR1043ND and everywhere is Gargoyle too. I'm very happy with stability and functionality this firmware. If you like you can configure planned reset every day, every week or every...