Lexmark MS331dn. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 50000 pages per month. Maximum resolution: 600 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 40 ppm, Duplex printing. Display: LCD, Product color: Black, White
Lexmark 3073173. Compatibility: Lexmark CX310/410/510, MX510/511/610/611/710/711, CS310/410/510, MS510/610/810/811/812/. Width: 18.7" (475 mm), Depth: 23.6" (600 mm), Height: 10.4" (264 mm). Package weight: 57.1 lbs (25.9 kg). Country of origin: United States. Package dimensions (W x D x H): 27.25 x 23.25 x 14.50"