Can you see printer in router configuration? I can't see this model in Printer Server Compatibility on this router.

Without router is everything ok with speed? Give us screenshot from speedtest results.

Hardware in TP-link is ok (very good), but I can see problems with software - injury

At the same place a TP-Link with a factory firmware doesn't print anything... Did you test DD-WRT or Gargoyle on TP-link router also in this configuration?

1. Fine-tune DLNA (media server) in TP-link routers and more compatibility with TV devices. 2. Fine-tune samba and FTP server like in openwrt because this is more stable solution. 3. More updates for...

No, I don`t need. We have this functionality in graphics interface (GUI).