Raspberry Pi Print Server: Setup a Network Server using CUPS
Installing the LPR driver and CUPS wrapper driver (Linux®) | Brother
GitHub - TheMMcOfficial/cups-for-openwrt: If you want to install cups on your openwrt router to share a usb printer or to enable airprint on your old usb/network printer follow these steps.
4 cup coffee printing machine with tablet selfie coffee printer USB contact edible food 3d printer for coffee beer cookie|Coffee Makers| - AliExpress
printing - What is CUPS server and how to share a printer (Locally or over a network) - Ask Ubuntu