Fujitsu FI-6230Z. Maximum scan size: 216 x 355.6 mm, Scanner type: Flatbed & ADF, Optical scanning resolution: 600 x 600 DPI. Auto document feeder (ADF) input capacity: 50 sheets. Scanning media types supported: Plain paper, Auto Document Feeder (ADF) media weight: 41 - 209 g/m². Standard interfaces: USB 2.0. Server operating systems supported: Windows 2000 Server, Windows Server 2003