PRINT SPEED BLACK (ISO, A4)Normal: Up to 29 ppm [1] [9] Measured using ISO/IEC 24734, excludes first set of test documents. For more information see http://www.hp.com/go/printerclaims. Exact speed varies depending on the system configuration, software application, driver, and document complexity.FIRST PAGE OUT (READY)Black: As fast as 7 sec [2] [11] Measured using ISO/IEC 17629. For more information see http://www.hp.com/go/printerclaims. Exact speed varies depending on the system configuration, software application, driver, and document complexity.FIRST PAGE OUT (SLEEP)Black: As fast as 7.5 sec [2] [11] Measured using ISO/IEC 17629. For more information see http://www.hp.com/go/printerclaims. Exact speed varies depending on the system configuration, software application, driver, and document complexity.PRINT QUALITY BLACK (BEST)Up to 600 x 600 dpiDUTY CYCLE (MONTHLY, A4)Up to 20,000 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. RECOMMENDED MONTHLY PAGE VOLUME200 to 2,000 HP recommends that the number of printed pages per month be within the stated range for optimum device performance, based on factors including supplies replacement intervals and device life over an extended warranty period.PROCESSOR SPEED500 MHzPRINT LANGUAGESPCLmS; URF; PWGREPLACEMENT CARTRIDGESHP 136A Black LaserJet Toner Cartridge, W1360A (1,150 yield), HP 136X Black LaserJet Toner Cartridge, W1360X (2,600 yield) [9] [6] Declared yields