Okidata 42377801 Black Nylon Printer Ribbon for ML420, ML421, ML490 & ML491

The OEM Okidata 42377801 black printer ribbon cartridge is professionally designed to produce the highest quality printouts for your Okidata printer. The brand new 42377801 is an ideal choice printer ribbon cartridge for your Okidata printer. Okidata 42377801 ribbon cartridges deliver excellent, dependable results, page after page. You can depend on the 4 million character Okidata 42377801 printer ribbon cartridges. 100% Satisfaction Guarantee.