@Miraki Thanks for reaching out to us. Archer C7 doesn't support printer server feature, so it's not able to connect USB printer directly to the router USB port. Actually our printer server device...

@SRN Thanks for reaching out to us. If you connect computer directly to your front device such as modem or modem router bypass TP-Link router, how much upload speed you can get?

@Ankit981092 Thanks for reaching out to us. TL-WR840N does not support Tether application, so that it is unable to be seen on the Tether app. Compatible Devices are listed here: Tether Compatibility...

@spaceman5 Thanks for reaching out to us. Sorry to tell you that we don't have home router support Port Mirroring, Port Spanning, or TCPDump. Our businees router may support these advanced feature....

@PRINTMARKINDIA5 Thanks for reaching out to us. If you want to login to Tether app, please refer to step2 to step5 in this guide. How to setup TP-Link Wi-Fi Router on Tether APP?

@Rjones94 Thanks for reaching out to us. If you connect your computer directly to your virgin router bypass TP-Link router, will you get the same issue? If not, please try to clone your computer's...