Lexmark CS730de. Print technology: Laser, Color. Maximum duty cycle: 120000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 40 ppm, Duplex printing. Product color: Black, White
Lexmark MS821dn. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 250000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 52 ppm, Duplex printing. Display: LCD. Network ready. Product color: Black, White