This HP LaserJet with JetIntelligence combines exceptional performance and energy efficiency with professional-quality documents right when you need them-all while protecting your network from attacks with the industry's deepest security. HP printers have the industry's strongest security because they're always on guard, continually detecting and stopping threats. With HP Sure Start, each printer regularly checks its operating code and repairs itself from attempted hacks. Maximum Print Speed (Black): 55 ppm; Print Resolution (Black) (Width x Height): 1200 x 1200 dpi; B&W or Color Output: B&W; Printing Type: Laser.