CUPS ClientNew Page Under the cups client we need to prevent the discovery of networked printers in order to only use the new print server. Bonjour may also need to be disabled on the printer itself. It doesn't always stop the printer from adding. However, this is the first measure. Edit the file. /etc/cups/cups-browsed.conf Find BrowseRemoteProtocols dnssd cups Replace with BrowseRemoteProtocols none BrowseProtocols none Edit the file. /etc/cups/cupsd.conf Find Browsing On BrowseLocalProtocols dnssd Replace with Browsing No BrowseLocalProtocols none Restart CUPS service. systemctl restart cups