ARTEC ULTIMA 2000 (MEDION MD/LT 9385/9375)

Device ID
Bus 003 Device 004: ID 05d8:4002 Ultima Electronics Corp. Artec Ultima 2000 (GT6801 based)/Lifetec LT9385 Scanner

Download firmware
wget http://download2.medion.com/downloads/treiber/sca9385win9xp.exe -P /tmp
unzip /tmp/sca9385win9xp.exe -d /tmp/
sudo mkdir -p /usr/share/sane/gt68xx/
sudo cp /tmp/DRIVER/SETUPEXT/GT/WINX/gt680xfw.usb /usr/share/sane/gt68xx/

Configure sane
sudo sed -i '61s|#override "artec-ultima-2000"|override "artec-ultima-2000"|g' /etc/sane.d/gt68xx.conf
sudo sed -i '62s|#vendor "Medion"|vendor "Medion"|g' /etc/sane.d/gt68xx.conf
sudo sed -i '63s|#model "MD/LT 9385"|model "MD/LT 9385"|g' /etc/sane.d/gt68xx.conf

Scan from command line
scanimage --format tiff --mode color -l 0 -t 0 -x 105 -y 74 --resolution 150 > /tmp/$(date -I)_$$.tiff

Links
http://wiki.ubuntuusers.de/Scanner_gt68xx
http://linuxundich.de/de/ubuntu/mit-einem-tastendruck-scannen/
http://wiki.ubuntuusers.de/Scanner