Lexmark MX421ade. Print technology: Laser, Printing: Mono printing, Maximum resolution: 1200 x 1200 DPI. Copying: Mono copying. Scanning: Color scanning. Faxing: Mono faxing. Maximum ISO A-series paper size: A4. Product color: Beige, Black
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