Introduce the Compatible HP 48A CF248A Black Toner Cartridge. This toner cartridge is guaranteed to print at least 1000 pages without losing quality. There is no reason to waste money on expensive ink cartridges that only last as long as the cheap versions, especially when it in terms of a product like the Compatible HP 48A CF248A Black Toner Cartridge. The first page printed on a new cartridge will have the same saturation level as the 1000th page or it is your money back. This cartridge will let you know when it is time to change the unit once the color starts to fade from the saturated black of the first 1000 pages.