Lexmark Monochrome laser printer T634N. Maximum duty cycle: 225000 pages per month, Standard printer languages: PCL 6, PostScript 3. Print speed (black, normal quality, A4/US Letter): 43 ppm, Time to first page (black, normal): 8.5s. Standard input capacity: 600 sheets, Maximum input capacity: 4100 sheets. Standard output capacity: 500 sheets, Maximum output capacity: 3000 sheets. Internal memory: 80 MB