then you must try to see your evironment & check your lan port cable link to router. And if your device still under warranty in 2 years, u can try send it to nearless service center company name...

try to reinstall the same firmware. if still the same, try to downgrade the firmware by following this link http://www.tp-link.com.my/download/Archer-C5.html#Firmware

this 2 adapter can use in wr1043nd

Model : TL-PS110U/ CANON PIXMA E610 Hardware Version : Not Clear Firmware Version : ISP : Hi, Do the the model tp link ps110u print server support the printer model canon pixma E610, in compatible...

WA500G PROVIDE MAX SPEED 24Mbps for LAN port.... DIR-615 provide 100mbps .... so it not suitable