HP Pro K550dtn, Officejet. Maximum resolution: 4800 x 1200 DPI, Maximum print size: A4 (210 x 297 mm), Maximum duty cycle: 7500 pages per month. Print speed (black, normal quality, A4/US Letter): 16 ppm, Print speed (colour, draft quality, A4/US Letter): 16 ppm, Print speed (black, draft quality, A4/US Letter): 37 ppm. Standard printer languages: PCL 3, Printing colours: Black, Cyan, Magenta, Yellow. Internal memory: 32 MB. Standard input capacity: 600 sheets