K-ZIN 56F1000 MS321 Black Toner Cartridge(with Chip)Compatible with Lexmark 56F1000 56F1H00 56F1U00 Toner Cartridge for MS321dn MS421dn MS421dw MS521dn MS521dw MS621dn MS621dw Printer(6000 Page,Black)

Package ContentsIncludes 1 pack 56F1000 MS321 black toner cartridge ^^ High Page YieldDelivers up to 6, 000 pages of sharp, fade-resistant prints (Letter/A4, 5% coverage) work for 56F1H00 56F1U00 56F1000 black toner cartridge ^^ Compatible with Lexmark PrinterK-ZIN 56F1000 toner use for MS321, MX321, MS421, MX421, MS521, MX521, MS621, MX622 series printer. Including MS321dn, MS321dw, MS421dn, MS421dw, MS521dn, MS521dw, MS621dn, MS621dw, MX321adn, MX321adw, MS622de, MX421ade, MX521ade, MX521de, MX522adhe, MX622ade, MX622adhe ^^ Premium Quality & DurabilityEngineered with K-ZIN 56F1000 MS621 black toner cartridge technology to ensure precise output and extend the lifespan of your MS421 MS321 toner and 56f1000 toner cartridge.

Meets ISO9001 standards for black high yield toner cartridge 56F1000 ^^ Smart Chip IntegrationEach K-ZIN ink cartridge 56F1000 MS321dn toner cartridge includes an upgraded smart chip for instant recognition, real-time page tracking, and error-free installation on 56f1h00 high yield toner and 56F1000 devices