OKIDATA MICROLINE 491, OKIDATA MICROLINE 720, OKIDATA MICROLINE 721, OKIDATA MICROLINE 790, OKIDATA MICROLINE 791, OKIDATA MICROLINE 420, OKIDATA MICROLINE 421, OKIDATA MICROLINE 420n, OKIDATA MICROLINE 421n, OKIDATA MICROLINE 490n, OKIDATA MICROLINE 491n * Product Model : 42377801, Product Type : Ink Cartridge * Print Technology : Inkjet, Print Color : Black * Type : OEM