Print Technology : Monochrome Laser Print Resolution, Black : 1200 Image Quality 1200 x 1200 dpi 2400 Image Quality 600 x 600 dpi Print Speed ( Letter, Black) : Up to35 ppm Print Speed ( A4, Black) : Up to33 ppm Print Speed ( Letter, Black) Duplex: Up to18 spm Print Speed ( A4, Black) Duplex: Up to17 spm Time to First Page ( Black) As fast as7 seconds Processor266 MHz