The xerox documate 3220 is a next generation duplex scanner that combines an a4us letter sized flatbed and 50 sheet capacity adf automatic document feeder to create an entry level scanner with all the best features of higher end products it can easily support the scanning needs of individuals in small and home offices or workgroups in the corporate world installation is as simple as inserting one dvd rom disc and connecting the scanner to a host pc via a high speed usb 20 cable the xer