Epson LQ-780. Maximum print speed: 487 cps, Maximum print speed (draft): 366 cps. Paper tray media types: Envelopes, Roll. Product color: Black, Buffer size: 64 KB, Sound pressure level (printing): 59 dB. Standard interfaces: Parallel, USB. Print head: 24-pin, Print head life: 40 million characters, Mean time between failures (MTBF): 35000 h