OKI Cyan Toner Cartridge of fit the OKI C8600. Page Yield 6,000. OEM Ref - 43487711. By installing a genuine OKI Cyan Toner Cartridge (43487711), you can enjoy great quality output and reliable operation from your OKI C8600 or C8800 laser printer. If you start noticing faded text on your printed documents, the toner cartridge may be running low. Order a replacement and install it when you see the "Toner Empty" message on your printer's display. This standard yield toner cartridge is packed with enough cyan toner to print 6,000 pages.