Correctable ribbon is designed for use with all Brother AX and GX models of electronic typewriters and word processors as well as COM300, COM300M, COM310; Correctronic 140, 145, 300, 300M, 310, 320, 340, 350, 355, 360, 380; EM30, EM31, EM350, EM350E; ML-100, ML-300, ML-500; SX14, SX16, SX23, SX-4000; WPT470, ZX1700, ZX1900, ZX30, ZX50 and all WP models except WP 55, 200, 500, 510 and 650.