sudo apt install hplip hplib-gui

• si erreur : Unable to communicate with device (code=12) Voir commun 1 à faire

• Scan : Avec HP device Manager, cliquer sur Scan pour installer le driver HP

• Turn printer off, open “Printers” control panel, delete the default printer installed by Ubuntu.
• In terminal, remove the USB driver apt purge ippusbxd
• Install new ipp-over-IP driver (DEB) from https://download.opensuse.org/repositories/home:/pzz/xUbuntu_20.04/amd64/
• Power on printer
• In terminal run hp-setup -i and install USB printer with PPD plugin as suggested by installer. Test page will not work.
• From any program (ex Libre Office) choose Print and you will find two (!) printers, one with the hostname suffix added to it, (1) mylaserjet, and (2) mylaserjet-lenovo
• Print to the the second printer with hostname suffix, ex mylaserjet-lenovo. This printer is not visible in the “Printers” control panel.

https://askubuntu.com/questions/1233521/printer-problems-after-installing-ubuntu-20-04