@Luca Bingo
udevadm test /devices/pci0000:00/0000:00:1d.7/usb2/2-4' shows: 'Invalid rule /etc/udev/rules.d/60-brother-libsane-type1.rules:17: unknown key 'SYSFS{idVendor}' So consequently your device is configured as printer-only: RUN '/lib/udev/tlp-usb-udev %p' /lib/udev/rules.d/85-tlp.rules:10 handling device node '/dev/bus/usb/002/003', devnum=c189:130, mode=0664, uid=0, gid=7 preserve permissions /dev/bus/usb/002/003, 020664, uid=0, gid=7 preserve already existing symlink '/dev/char/189:130' to '../bus/usb/002/003' ACTION=add BUSNUM=002 DEVNAME=/dev/bus/usb/002/003 DEVNUM=003 DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-4 DEVTYPE=usb_device DRIVER=usb ID_BUS=usb ID_FOR_SEAT=usb-pci-0000_00_1d_7-usb-0_4 ID_MODEL=MFC-1910W ID_MODEL_ENC=MFC-1910W ID_MODEL_FROM_DATABASE=MFC-1910W ID_MODEL_ID=035d ID_PATH=pci-0000:00:1d.7-usb-0:4 ID_PATH_TAG=pci-0000_00_1d_7-usb-0_4 ID_REVISION=0100 ID_SERIAL=Brother_MFC-1910W_E74244J6N463385 ID_SERIAL_SHORT=E74244J6N463385 ID_USB_INTERFACES=:070102:ffffff: ID_VENDOR=Brother ID_VENDOR_ENC=Brother ID_VENDOR_FROM_DATABASE=Brother Industries, Ltd ID_VENDOR_ID=04f9 MAJOR=189 MINOR=130 PRODUCT=4f9/35d/100 SUBSYSTEM=usb SYSTEMD_WANTS=udev-configure-printer@-devices-pci0000:00-0000:00:1d.7-usb2-2\x2d4.service printer.target TAGS=:systemd:uaccess:seat:udev-configure-printer: TYPE=0/0/0 USEC_INITIALIZED=4000906 libsane_matched=yes run: 'uaccess' run: '/lib/udev/tlp-usb-udev /devices/pci0000:00/0000:00:1d.7/usb2/2-4' -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1728012 Title: Many 3rd party scanner drivers are broken by a sane change To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1728012/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs