A high-productivity compact mono laser printer with the fastest two-sided printing in its class and the time-saving HP Smart app. Count on more reliable connections and a worry-free experience, and get legendary HP quality. 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. Maximum Print Speed (Black): 30 ppm; Print Resolution (Black) (Width x Height): 600 x 600 dpi; B&W or Color Output: B&W; Printing Type: Laser.