On Thu, Jan 15, 2004 at 11:44:13PM -0700, Scott Navarre wrote: > Hi, > > I am setting up an Epson Perfection 1260/Photo scanner thru USB (uses the > Plustek driver). I have upgraded my Red Hat 8.0's SANE backend drivers to > version 1.0.13. > And now, I can see the scanner using both 'scanimage -L' and > 'sane-find-scanner', as root only (I can also use 'xsane' as root only). If > I am not root, 'scanimage -L' finds nothing, and 'sane-find-scanners' finds a > scanner on the USB but doesn't identify it. The man page said something > about not having the permissions of the device file set right if this happens. > The thing is that when it is displayed, it only shows 'libusb:001:004' as > the device name, not something in '/dev' (such as the '/dev/usbscanner0' or > '/dev/sg0' as mentioned in the man page). So how or where do I go to change > the permissions??? Out of frustration, I did a 'chmod -R 777 /dev' but it > didn't help... > > Here are my outputs of the 2 commands by root: > > [root@tepeyac root]# scanimage -L > > device `plustek:libusb:001:004' is a Epson Perfection 1260/Photo USB flatbed > sca > nner > > [root@tepeyac root]# sane-find-scanner > > > > # No SCSI scanners found. If you expected something different, make sure > that > # you have loaded a SCSI driver for your SCSI adapter. > > > > found USB scanner (vendor=0x04b8 [EPSON], product=0x011d [EPSON Scanner], > chip=L > M9832/3) at libusb:001:004 > > # Your USB scanner was (probably) detected. It may or may not be supported > by > # SANE. Try scanimage -L and read the backend's manpage. > > > > # Scanners connected to the parallel port or other proprietary ports can't > be > # detected by this program. > > [root@tepeyac root]# > > And here are my outputs of the same 2 commands by a non-root user: > > [claudia@tepeyac claudia]$ scanimage -L > > > > 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). > > [claudia@tepeyac claudia]$ sane-find-scanner > > > > # No SCSI scanners found. If you expected something different, make sure > that > # you have loaded a SCSI driver for your SCSI adapter. > > > > found USB scanner (vendor=0x04b8, product=0x011d, chip=LM983x?) at > libusb:001:00 > 4 > > # Your USB scanner was (probably) detected. It may or may not be supported > by > # SANE. Try scanimage -L and read the backend's manpage. > > > > # 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. > > [claudia@tepeyac claudia]$ > > Thanks in advance, > Scott Navarre
In /etc/fstab change to none /proc/bus/usb usbfs defaults,devmode=0666 0 0 Source of information : Henning Meier-Geinitz + man sane-usb -- Klaus
