Another, more practical, method is to use a Wi-Fi router with print server functionality or a dedicated Wi-Fi USB print server so that no computer is needed to share the printer.

Some users of HP Printer and HP Smart app are facing an issue. Their Wi-Fi printer setup using USB is failing with the HP Smart app on Windows 11. In this guide, we have a few fixes for the issue.

USB 2.0 is typically limited to 2.5W, and even many USB 3.x ports are capped at 4.5W -- at those speeds, you'd have to leave your phone connected to a router for hours to get it from 10% to full.