Office Depot 27X Remanufactured High-Yield Laser Toner Cartridge to Replace HP C4127X, Black Compatible with select HP and LaserJet models. Comparable to the HP 27X (C4127X) cartridge. Backed by 100% No-Risk Quality Guarantee to perform to your complete satisfaction. Yields up to 10,000 pages. Greener choice  they require less energy to produce and help prevent waste in landfills.