Laser Tek Services High Yield Black Toner Refill Kit 4 Pack Compatible with Canon FX-9 104 MF-4120 MF-4140 MF-4150 MF-4690 Kit comes with 4 Bottles, Funnel Cap, Latex Gloves if needed; Toner Wipes- These cloths are chemically treated to attract toner dust Each Bottle is good for at least the same page yield as a new cartridge, usually a bit more Product is guaranteed to be same quality print, Bottle size may vary BUT gram load is always the same Great phone support with Laser Tek Services, not usually needed, but if you need it we are there for you