How do I connect my I phone to my printer? The number on the phone is FCCWROX4HFYC

You cannot connect a printer to an iOS based device by a cable, like you can to a computer. The printer you own needs to be AirPrint capable or have an App which can be downloaded from the App Store. It must be a Wifi printer, connected to the same network your iPhone is connected to.

See this link about AirPrint --> Use AirPrint to print from your iPhone, iPad, or iPod touch - Apple Support

You don't.

Iphones use airprint, a wireless protocol to print.

You can't connect a cable.

https://support.apple.com/en-us/HT201387