Hi there Michael. My name is*****'m sorry that you're having this problem, and I 'd be happy to help you with it. I will need to ask a few questions in order to best help you. Do you have other devices successfully connected to the new router? If so, can you tell me please what your operating system is on your computer and the brand and model of your router? If you aren't sure about the operating system, this should help you to find out:
Can you click this link and tell me what you see please?
From the Apple menu, choose About This Mac. Your version of OS X appears directly below “OS X
Also, do you have a usb cable that you can use to connect the printer to the computer for setup purposes?