Lexmark C920n. Print technology: Laser, Color. Number of print cartridges: 1. Maximum resolution: 2400 x 2400 DPI. Maximum ISO A-series paper size: A3. Print speed (black, normal quality, A4/US Letter): 36 ppm, Duplex printing. Display: LCD. Network ready. Product color: White
Lexmark CS921de. Print technology: Laser, Color. Number of print cartridges: 1, Maximum duty cycle: 150000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A3. Print speed (black, normal quality, A4/US Letter): 35 ppm, Duplex printing. Network ready. Product color: Black, White