Epson LQ-680 Dot Matrix Printer. Maximum print size: A4 (210 x 297 mm). Maximum print speed: 465 cps, Normal print speed: 372 cps, Maximum number of copies: 5 copies. Print direction: Bi-direction, Standard printer languages: Epson (ESC/P2), IBM 2390+. Buffer size: 64 KB. Standard interfaces: IEEE 1284