Use ribbon with Brother AX, GX, ML, SX Typewriters; EM30, 31, 31-11, WPT Word Processors; Correctronic 140, 145, 300, 300M, 310, 320, 340, 350, 355, 360, and 380; EM30, EM31, EM31II, EM350, EM350E, GX6000, GX6500, GX6750, GX6750SP, GX7000, GX7500, GX7750, GX8000, GX8250, GX8500, GX8750, GX9000, GX9500, GX9750, ML-100, ML-300, ML500, SX14, SX16, SX23, SX4000, WP1150, WP1250, WP1350DS, WP1400D, WP1450DS, WP1500D, WP1600D, WP1700MDS, WP1800, WP2200, WP230B, WP2400, WP2410, WP2410DS, WP2450DS, WP2500Q, WP2600Q, WP2800Q, WP330MDS, WP335B, WP3400, WP3410, WP3550, WP3600D, WP3650D, WP3900DS, WP480, WP490, WP4U, WP5500DS, WP5550MDS, WP5550MDSPLUS, WP5600MDS, WP5750DS, WP5850MDS, WP5900MDS, WP60, WP620, WP65, WP660, WP66E, WP760D, WPT470, ZX1700, ZX1900, ZX30, and ZX50. Correctable film ribbon yields up to 50,000 characters.