Everyday Toner Cartridges from Xerox deliver brilliant image quality and excellent reliability at a low cost. Compared to the original toner cartridge, you will get better or equal page yield, pay around 25% less, and receive a 100% lifetime warranty. Xerox Everyday Replacement Toner High Yield Black For OKI 44469804 for Oki C510, C530, MC561 MFP 006R04274.