@Kevin_Z Thanks for touching base. I have tried a bunch of things. Printer is a MFC-L2740DW.   
 

I did set a static IP on the printer. I read to try setting an address a little outside the range of the routers DHCP address range. I used 192.168.000.253. The network recognizes it OK. 
 

My old router was quite old, and I don't know if it was set up with static or dynamic. I don't know whether the new routers security differences may have something to do with it.   I never really had any problem printing from IPad or IPhone on that setup. 
 

I don't use the PC all the time, but I think it is OK. Il will double check. 
 

So, with my current problem, often, but not all the time, when the device asks to select a printer, and you try, sometimes it wont find the printer, sometimes it will. Something I have tried is toggling off my WiFi on the IPad for a few seconds, toggling back on, and most times then, it will find the printer and will print. 
 

I hope that this gives you something to go on. I can do screenshots or video if you need me to. 
 

Thank you.