52ppm, 800MHz, 1200 x 1200dpi, 10/100/1000 baseT, 2 x USB, 256MB, 800W, 55dB
OKI B721dn, Laser, 1200 x 1200 DPI, A4, 47 ppm, Duplex printing, Grey, White
OKI B721dn. Print technology: Laser. Duty cycle (monthly, A4): 20000 pages per month. Resolution (maximum): 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed black (normal, A4/US Letter): 47 ppm, Duplex printing. Product colour: Grey, White