Excellent I just found this in another thread. find where your scanner is by using lsusb, then ;
user@somelinuxbox:~$ lsusb
Bus 003 Device 002: ID 046d:c016 Logitech, Inc. M-UV69a Optical Wheel Mouse
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 002: ID 05d8:4002 Ultima Electronics Corp. Artec Ultima 2000 (GT6801 based)/Lifetec LT9385 Scanner
Bus 002 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 005 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 005 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
as you can see the scanner resides on Bus 002 as the second (002) device in my case. The syntax for changing permissions of the scanner device is
user@somelinuxbox:~$ sudo chmod a+w /dev/bus/usb/$BUS/$DEVICE
remember to change the $BUS and $DEVICE variables according to the lsusb output as described above. to change permissions to my scanner device i would enter:
user@somelinuxbox:~$ sudo chmod a+w /dev/bus/usb/002/002
Worked for me thanks Aouie
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