Da root:
[root@pinco-laptop-lan pinco]# scanimage -L
[1device `v4l:/dev/video0' is a Noname HP Webcam virtual device
device `snapscan:libusb:002:005' is a EPSON EPSON Scanner flatbed scanner
(arg: 1)
[root@pinco-laptop-lan pinco]# sane-find-scanner
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.
found USB scanner (vendor=0x04b8, product=0x011f) at libusb:002:005
found USB scanner (vendor=0x07ca [AVerMedia], product=0xa309 [A309]) at libusb:002:004
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
[root@pinco-laptop-lan pinco]#
Ecco ora l’output degli stessi comandi dati come utente normale:
pinco@pinco-laptop-lan:~$ scanimage -L
device `v4l:/dev/video0' is a Noname HP Webcam virtual device
pinco@pinco-laptop-lan:~$
pinco@pinco-laptop-lan:~$ sane-find-scanner
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.
found USB scanner (vendor=0x04b8, product=0x011f) at libusb:002:005
found USB scanner (vendor=0x07ca, product=0xa309) at libusb:002:004
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
# You may want to run this program as root to find all devices. Once you
# found the scanner devices, be sure to adjust access permissions as
# necessary.
pinco@pinco-laptop-lan:~$