HP M751DN Color LaserJet Enterprise Printer - Print only, Print speed letter: Up to 40 ppm (black and color), Prints up to 12x18"; Auto duplex printing; 2 paper trays (standard); 2.7 in LCD, FCC Class A emissions - for use in commercial environments, not residential environments

HP M454DN Color Laserjet Pro Printer - Print only, Print speed letter: Up to 28 ppm (black and color), Auto duplex printing; 2 paper trays (standard), Best-in-class security - detect and stop attacks

HP M806DN Laserjet Enterprise Printer - Print only, Print speed letter: Up to 55 ppm (black), Prints up to 11x17"; Auto duplex printing; 3 paper trays (standard), FCC Class A emissions - for use in commercial environments, not residential environments

HP M652N Color Laserjet Enterprise Printer - Print only, Print speed letter: Up to 50 ppm (black and color), 2 paper trays (standard); Uses toner with JetIntelligence, FCC Class A emissions - for use in commercial environments, not residential