Zprinter 310 Plus Zprinter 450 Spectrum 510 ZPrinter 650 Affordable, easy to use Affordable colour, office friendly Easy to use, full colour Superior colour, office friendly Monochrome Full Colour Full Colour Superior Colour Build Volume  (mm) 203x254x203 203x254x203 254x356x203 254x381x203 Print Resolution (dpi) 300 x 450 300 x 450 600 x540 600 x 540 Layer Thickness (mm) .089 - .203 .089 - .102 .089 - .102 .089 - .203 ZScanner 800 ZScanner 700 ZScanner 700 CX  **NEW COLOUR SCANNER** ZScanner 700 PX ** NEW - Start shipping end of March 2009 **