HP Designjet 4500 Scanner, Designjet. Scanner type: Sheet-fed, Input colour depth: 24 bit, Gray scale levels: 256 levels of grey. Weight: 95 kg. Power consumption (typical): 300 W. Operating temperature range (T-T): 5 - 40 °C, Storage temperature range (T-T): -20 - 55 °C, Operating relative humidity range: 20 - 80 %. Compatible operating systems: Microsoft Windows 2000, XP Home, XP Professional; Mac OS 9.x, Mac OS X; UNIX; Linux