I got the same problem (see some posts under you)! It only helps to restart the routher with the tether app. TP-Link told me the router does not support airprint. But it did! It went out of service...

Hi! I have a strange problem: I've done the firmware update. Before I had made a backup. After updating I restored the backup. Now I am not able to log me in anymore. But I am sure about my login...

Region : Germany Model : TL-WDR4300 Hardware Version : V1 Firmware Version : latest 09/2014 ISP : Dear community, I have l problem with the WDR4300 and my AirPrint printer Canon MX525 for a long time...