I have HP 4620 printer, I have a new router how do I change so my iphone recognize?

I have HP 4620 printer, I have a new router how do I change so my iphone recognize?

You have 3 things--printer, router, iphone. You want to change something somewhere? You want recognition of something in the iphone? How are all these connected? Cables? Wireless?
Did you contact customer service at HP or Apple or the router maker (whoever that might be).

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