HP Laserjet Pro M127FN (Print Copy Scan Network Fax; Print speed Black: Up to 21ppm; Resolution: 600dpi FastRes 1200; HP ePRINT, Apple AirPrint, Embedded Web Server; HP PCLm; HP Device Toolbox; CIS Scanner: Flatbed with ADF 35pgs; Scan Resolution: 1200dpi; TWAIN Version 1.9; 24-bit/256; USB 2.0; Built-in Ethernet 10/100-TX; USB Printing; Memory 128MB; Processor: 600Mhz; Duty Cycle: Up to 8000pgs; RMVP: 250-2000pgs; Input Tray: 150-sheets; Up to 10 Envelopes; Media Weight: 60-163 g/m2; Berat: 9.1Kg; HP Toner: CF283A (~1500pgs); Display: 2-line LCD (Text); Telephone handset supported: No); Dimension: 420x438x309mm); Media Size Standard A4, Letter; Legal; Executive; envelopes; OS Support: Win XP, Vista, 7,8; Mac OS: X v.10.6, Lion, Mountain Lion