The documate 4700 is an excellent flatbed scanner when directly connected to your pc it also can become a flatbed option when connected to any xerox documate adf scanner its usb hub changes the scanner to a combined configuration of distinct adf and flatbed scanners that are addressable as one single scanner so if your needs suddenly change from the adf only scanner you have today you can add a flatbed scanner and improve the investment youve already made in an adf scanner the ability to