Ensure printed documents are clean and easy to read with this ribbon cartridge. It's specially engineered for use with Okidata 590 and 591 model printers for an exact fit, and this OKI printer ribbon has a compact size for efficient storage. Provides crisp, cost-effective printing suitable for a commercial environment. Impact print technology offers high-quality prints. Device Types: Impact Printer; Color(s): Black; OEM/Compatible: Compatible; Ribbon Type: One-Color Ink Cartridge.