I don't think it will work, because the printer server is only to share the printing to multiple devices, but those device must have the printer driver installed and they must be able to print when...

on tplink website, it just says " Does not require drivers for Windows 10/ 8.1 / 8 / 7 / Vista / XP or Mac OS X and Linux systems. Backward compatible with USB 2.0/1.1 and the actual transmission...

will the house light turn off when the problem happens? usually it is caused by powerline interference, you may test them in different wall sockets

Who is your ISP? Can you send a screenshot of your setting?

It seems that the C3200 has only site to site IPSec VPN...

not so sure about the log, but you may check the problem happens on WiFi only or both wired and WiFi. If only WiFi has the problem, you could try to change wifi channel and channel width, if wired...