Je viens d'installer Archlinux, et je dois dire que cette distribution comble tout à fait mes attentes, j'ai encore quelques infos à prendre sur pacman et yaourt, mais c'est pas si compliqué

Mon problème du moment est l'installation de mon (vieux) scanner lexmark qui me pose un curieux problème:
il est reconnu par la commande sane-find-scanner:
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[root@mao yohann]# 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=0x043d, product=0x007c, chip=rts8858c) at libusb:002:006
# 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.
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[root@mao yohann]# 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).
Ensuite j'ai regarder ce que donnait le fichier de configuration correspondant au pilote lexmark: /etc/sane.d/lexmark.conf
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# X11xx series
usb 0x043d 0x007c
# X12xx series
usb 0x043d 0x007d
# Dell A920
usb 0x413c 0x5105
# X74
usb 0x43d 0x0060
Si vous avez une idée sur la question...
Merci!