edfast@Studio-Z68ITX-B-E:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 003: ID 0749:1000 EVer Electronics Corp.
Bus 002 Device 004: ID 1267:0210 Logic3 / SpectraVideo plc LG Optical Mouse 3D-310
Bus 002 Device 005: ID 0d8c:0126 C-Media Electronics, Inc.
edfast@Studio-Z68ITX-B-E:~$ sudo sane-find-scanner
[sudo] password for edfast:

  # 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.

could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
  # No USB scanners found. If you expected something different, make sure that
  # you have loaded a kernel driver for your USB host controller and have setup
  # the USB system correctly. See man sane-usb for details.

  # Not checking for parallel port scanners.

  # Most Scanners connected to the parallel port or other proprietary ports
  # can't be detected by this program.

edfast@Studio-Z68ITX-B-E:~$ scanimage -L
WARNING: gnome-keyring:: couldn't connect to: /run/user/edfast/keyring-esqwJK/pkcs11: No such file or directory

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

edfast@Studio-Z68ITX-B-E:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 002: ID 2109:0811 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 003: ID 0749:1000 EVer Electronics Corp.
Bus 002 Device 004: ID 1267:0210 Logic3 / SpectraVideo plc LG Optical Mouse 3D-310
Bus 002 Device 005: ID 0d8c:0126 C-Media Electronics, Inc.
Bus 003 Device 003: ID 04b0:4001 Nikon Corp. LS 50 ED/Coolscan V ED
edfast@Studio-Z68ITX-B-E:~$ scanimage -L
WARNING: gnome-keyring:: couldn't connect to: /run/user/edfast/keyring-t7G5gf/pkcs11: No such file or directory
device `coolscan3:usb:libusb:003:003' is a Nikon LS-50 ED film scanner
edfast@Studio-Z68ITX-B-E:~$ sudo scanimage -L
[sudo] password for edfast:

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

edfast@Studio-Z68ITX-B-E:~$ scanimage -L
WARNING: gnome-keyring:: couldn't connect to: /run/user/edfast/keyring-t7G5gf/pkcs11: No such file or directory

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

make install