New router, Printer won't stay on-line

I have a Dell H825cdw attached to my Windows 10 Dell Inspiron 5759. 

I recently changed Internet providers, so had to reconnect the printer under the new WiFi name and password. 

Once connected, I can print for about five minutes, then the printer goes offline, and I'm required to re-enter my password on the printer menu window before I can print anything again. (WiFi group name is still listed, don't have to hunt for it). 

As I work from home several times per month, it gets very frustrating to have to enter a password and restart the printer every time I need to print something. 

The WiFi button is lit up (not flashing), menu window says I'm connected, and that the signal is good.

This is a WPA2 connection. 

Any advice?