Functions : Print, copy, scan, fax Print speed black (ISO, letter) : Up to 35 ppm Print speed black (ISO, A4) : Up to 33 ppm Print speed color (ISO) : Up to 35 ppm Print Speed Color (ISO) : Up to 33 ppm First page out black (letter, ready) : As fast as 9.1 sec First page out black (A4,ready) : As fast as 9.5 sec First page out color (letter, ready) : As fast as 10 sec First page out color (A4, ready) : As fast as 10.5 sec Duplex printing : Automatic Duty cycle (monthly, letter) : Up to 50,000 pagesUp to 50,000 pages 1 ( 1 Duty cycle is defined as the maximum number of pages per month of imaged output. This value provides a comparison of product robustness in relation to other HP LaserJet or HP Color LaserJet devices, and enables appropriate deployment of printers and MFPs to satisfy the demands of connected individuals or groups.) Duty cycle (monthly, A4) : Up to 50,000 pages 1 ( 1 Duty cycle is defined as the maximum number of pages per month of imaged output.