6 Pack of Compatible Print Ink Ribbon Replacement Cartridge to Replace Okidata Oki Data 52104001 for Okmate Microline Dot Matrix Printers: Ml 100 120 170 172 180 182 183 184 192 194 195 240 280 320 321 380 390 391 5320s Ml100 Ml120 Ml170 Ml172 Ml180 Ml182 Ml183 Ml184 Ml192 Ml194 Ml195 Ml240 Ml280 Ml320 Ml321 Ml380 Ml390 Ml391 Ml5320s Turbo Elite Plus Printer Okidata 52104001 compatible Black Printer Ribbon provides clear sharp prints to satisfy all your printing and copying needs. Works with the Okidata ML 380 Series,ML 390 Series,ML 391 Series, ML 180 Series,ML 190 Series