HP LaserJet 9040n Printer, LaserJet. Maximum resolution: 600 x 600 DPI, Maximum duty cycle: 300000 pages per month. Print speed (black, normal quality, A4/US Letter): 40 ppm, Print speed (black, draft quality, A4/US Letter): 40 ppm, Print speed (black, normal quality, A3): 26 ppm. Internal memory: 128 MB, Maximum internal memory: 512 MB. Processor clock speed: 533 MHz, Built-in processor: MIPS 20KC. Standard input capacity: 1100 sheets, Maximum input capacity: 3100 sheets