Printing/copy rate – 38 ppm. Printing /scanning /copy resolution – 4800x600 /1200x1200 dpi /1200x1200 dpi. Input capacity -100 sheets (tray 1) + 250 sheets (tray 2). Output capacity: 150 sheets. Automatic two-sided copying and scanning (for M428FDN / M428FDW models). 50 sheet automatic document feeder. Wi-Fi connectivity (except model M428FDN). Display size – 2.7 “. Interface – Hi-Speed USB 2.0. Two-sided printing. Warranty – 12 months.