HPs entry-level Enterprise-class printer with speeds up to 42 ppm & strongest security. This printer uses dynamic security, which may be updated periodically by firmware updates. The printer is intended to be used solely with cartridges using an original HP chip. Cartridges using a non-HP chip may not function or may cease to function. Give workgroups what they need to succeed with hundreds of HP & third-party solutions & card reader support. Maximum Print Speed (Black): 40 ppm; Print Resolution (Black) (Width x Height): 1200 x 1200 dpi; B&W or Color Output: B&W; Printing Type: Laser.