Canon
sudo add-apt-repository ppa:thierry-f/fork-michael-gruz sudo apt update lsb_release -a apt search scangear sudo apt install scangearmp2 sudo apt install software-properties-common sudo apt update apt policy scangearmp2 apt search scangearmp2 lpinfo -v scanimage -L lpstat -p scanimage -L airscan-discover ipptool -tv ipp://PRINTER_IP/ipp/scan get-scanner-attributes.test sane-find-scanner dmesg | tail -30 sudo apt install sane-airscan ipp-usb sudo systemctl enable --now ipp-usb lpstat -p lpstat -t sudo systemctl stop ipp-usb sudo systemctl disable ipp-usb sudo systemctl restart cups lpstat -t lsusb | grep Canon sudo sane-find-scanner sudo apt install sane-airscan airscan-discover scanimage -L journalctl -u ipp-usb -n 50 journalctl -u cups -n 50 cat /sys/module/usbcore/parameters/autosuspe nd sudo sh -c 'echo -1 > /sys/module/usbcore/parameters/autosuspend' journalctl -u ipp-usb -n 50 http://localhost:631 systemctl status cups-browsed. systemctl status avahi-daemon. su...