EGP Compatible Black Printer Ribbon (6 Pack) replace 42377801
Item Number RB42377801 Okidata 42377801 Premium Quality Compatible Black Printer Ribbon designed to work in the ML 420/ 421/ 490/ 491/ 720/ 721/ 790/ 791 printers/fax. (6 Pack) Okidata 42377801 Compatible Black Printer Ribbon designed to meet or exceed the specifications of the original OEM manufactured cartridge. All products are manufactured under the most stringent conditions in state-of-the-art facilities and offer the best value for your dollar. The use of compatible items does not affect your printer warranty. For use with the following printers: * Okidata ML 420 Series * Okidata ML 421 Series * Okidata ML 490 Series * Okidata ML 491 Series * Okidata ML 720 Series * Okidata ML 721 Series * Okidata ML 790 Series * Okidata ML 791 Series