Setting the Permissions for the Scanner
If you want multiple user accounts to be able to access your scanner, you must modify the permissions on the device driver.

- On a command line, type the following:
chmod 666 /dev/sga
/dev/sga must represent the device driver of your scanner.

- Open /etc/rc.d/rc.local in a text editor.
- Add the following line:
chmod 666 /dev/sga
- Save and close the file.
t and replace it with your own content.