Printing Solutions ob721 toner cartridge for use in b721/b731D page yeild 25k.The Printing Solutions ob721 toner cartridge is designed for use in the b721 and b731D printers, providing a page yield of up to 25,000 pages. This high-quality toner cartridge is specifically formulated to deliver crisp and clear printouts, making it an ideal choice for professionals and businesses that rely on precise and consistent printing results. Compatible with the Printing Solutions brand, this cartridge ensures reliable performance and efficient printing for your documents and images.