Oki Data B721dn Digital Mono Printer (49ppm), 120V, (E/F/P/S) OKI B721dn LED Mono Printer (49 ppm) (800 MHz) (256 MB) (8 5" x 14") (1200 x 1200 dpi) (Max Duty Cycle 250 000 Pages) (Duplex) (USB) (Ethernet) (Energy Star) (630 Sheet Input Capacity) OKI B721dn LED Mono Printer (49 ppm) (800 MHz) (256 MB) (8 5" x 14") (1200 x 1200 dpi) (Max Duty Cycle 250 000 Pages) (Duplex) (USB) (Ethernet) (Energy Star) (630 Sheet Input Capacity) Mono Laser