Packed with enough genuine OKI black toner powder for several thousand prints, the 45862840 is a great choice. The original OKI black toner powder found within the 45862840 will offer you the best quality of print your machine is capable of.Depending upon the model of your OKI printer, there may be a higher capacity black toner cartridge available than the 45862840, so be sure to click your printer model on this page to view our full listing. This genuine OKI 45862840 is however the highest capacity black toner cartridge available for the MC853 colour laser range of printers.