Compatibility: OKI: C532dn, C542dn, MC573dn, MC563dn. | Certification: ISO 9001, ISO 14001, ISO 27001, ISO 28000, TÜV Rheinland (ISO/IEC 19752, ISO/IEC 19798), CE | Technical features: Cartridge with chip | Sustainability certificates: CE | Black toner page yield: 7000 pages | Storage temperature (T..