Lexmark MS822de. 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. Product color: Black, White
Lexmark CS622de. Print technology: Laser, Color. Number of print cartridges: 4, Maximum duty cycle: 100000 pages per month. Maximum resolution: 2400 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 40 ppm, Duplex printing. Network ready. Product color: Black, White
Lexmark MS521dn. Print technology: Laser. Number of print cartridges: 1, 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): 44 ppm, Duplex printing. Display: LCD. Network ready. Product color: Beige, Black
Lexmark MS621dn. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 175000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 47 ppm, Duplex printing. Display: LCD. Network ready. Product color: Beige, Black