The first thing to see is whether the printer supports wireless printing.
If it is supported, first open the printer's wireless WIFI hotspot, generally open the printer screen will display the hotspot name and password.
Turn on the wireless phone, search for hotspots, enter the password and connect to the printer.
Find the data you need to print, select print, select the connected printer to type it out.
Generally, Apple mobile phones support direct connection to print, and Android mobile phones generally need to download a special APP to connect to the printer to print.
I hope the above answers can help you.