Specifications Speed: Up to 23ppm Colour Print First Page: Up to 11.7 Seconds First page Product Group Output: A4 Double Sided Printing: Automatic Double-Sided Printing Printer Resolution: 2400 x 600 dpi Print Interface Type (s): USB (Universal Serial Bus) & Network LCD Screen: 6cm Colour LCD Display Operating Systems Supported: Windows & Mac Compatible Paper Handling Output: 150 Sheet Output Bin Paper Handling Input 1: Single Sheet Manual Feed Paper Handling Input 2: 250 Sheet Input Tray Automatic Document Feeder: 50 Sheet DADF Maximum Paper Weight: 105gsm Monthly Duty Cycle: 75, 000 Pages/ Month In the box Lexmark CX421adn Lexmark Black Starter Toner Cartridge (2000 Pages) Lexmark CMY Starter Toner Cartridges (1400 Pages) CMYK Developer Units Photoconductor Unit Software & Documentation CD Power Cord Setup Guide Statement of Limited Warranty Lexmark Cartridge Collection Programme Information