Lexmark Laser T634dtn 43ppm 80MB 500 +500. Maximum duty cycle: 225000 pages per month. Print speed (black, normal quality, A4/US Letter): 43 ppm, Time to first page (black, normal): 8.5s. Standard input capacity: 1100 sheets, Maximum input capacity: 4100 sheets. Standard output capacity: 500 sheets, Maximum output capacity: 3000 sheets. Internal memory: 80 MB, Maximum internal memory: 336 MB