You will need to configure the printer on computer 1 by using computer 2’s public IP address on the router it is attached to. There’s another option, if the routers both have VPN functionality.

Q: I am a customer of Comcast/Xfinity. Recently, I changed my old modem/router for a new modem/router and everything connected without issue except for my printer, which is an Epson Workforce 645 ...

How to Make the Printer Wireless Using a Wireless-G Broadband Router. Printing is a necessity in almost any office setting no matter how paperless you attempt to keep your business.