Oki 01074705 Laser Toner Black (Type 5) for use with OkiFax 5780/5980. Page yield 5,000. Get the most from your fax machine with this impressive, high capacity replacement toner cartridge from Oki. A substantial page yield of up to 5,000 pages means you don't have to spend time and money constantly changing your cartridge. In addition, the easy to install, lightweight unit cuts down on periods of inactivity for faster and more efficient maintenance. The high quality toner delivers smudge free, clean text that is perfectly legible, meaning you never miss a message.