toner is compatible with the following printers: OKI - B 431 D; OKI-B 431 DN; OKI-MB 491; If you have any questions about compatibility, please call toll-free at 800 157 928. For more information, go to www.armor.cz Toners OWA ARMOR - solution for responsible Toners OWA ARMOR - A unique combination of economic and ecological solutions • High-quality OWA ARMOR Toner Cartridge range for almost all printers on the market. • All OWA ARMOR toners offer unparalleled service in the form of a lifetime warranty for cartridgees, a warranty for new printers, and a cartridgee return. • ARMOR guarantees print quality. • None of the OWA ARMOR toners infringe patent law. • OWA ARMOR toners allow you to meet CSR requirements for environmental protection. • When you join OWA, you automatically receive a Material Report, which you can include in your CSR report. See how OWA works https://www.youtube.com/watch?v=oLTvCXQd2jU With OWA Armor Toners you also get: • FREE participation in the program for the collection of listed toner, including obtaining a material report - you save the environment. • FREE technical support at support@gear-up.me or +971 4 223 1780 • FREE 100% service in the form of a network of specialized companies with an operational technician trip to the site within 48 hours. • FREE marketing support for partners promoting ecological printing solutions. • The assurance that no OWA ARMOR toner cartridgees are patent-infringing and are harmless to health. • French quality proven by international certificates. • Lifetime warranty for OWA ARMOR toners. • Extended device warranty.