B930dn - 50ppm (A4), 28ppm (A3), Duplex, 3 sec (warm start), 600MHz, 1200 x 1200dpi, Hi-Speed USB 2.0, IEEE1284 (ECP) parallel, RS-232C serial, 10/100BaseTX Ethernet
OKI B930dn, Laser, 1200 x 1200 DPI, A3, 50 ppm, Duplex printing
OKI B930dn. Print technology: Laser. Duty cycle (monthly, A4): 300000 pages per month. Resolution (maximum): 1200 x 1200 DPI. Maximum ISO A-series paper size: A3. Print speed black (normal, A4/US Letter): 50 ppm, Duplex printing