2 PK Black High Yield Toner Cartridge Replacement Compatible for HP CE390X 390XCompatible BrandHPTypePremium Compatible Toner Cartridge (Not OEM)ColorBlackPage Yield24,000 Pages at 5% Coverage (4A Paper)Print Technology LaserWarranty 12 monthsShelf Life3 years▲ Provide the same performance and reliability as genuine Cartridges.▲ Meeting standards of ISO 9001&14001 with premium sub-assemblies.▲ High-quality printing with every document.▲ Easy installation and never hurt your printer. ▲ 100% customer satisfaction within 90 days.▲Experience seamless printing with professional after-sales service and comprehensive quality assuranceCompatible for Printers Listed Below:Enterprise 600 M602Enterprise 600 M603Enterprise M4555f MFP Enterprise M4555fskm MFP Enterprise M4555h MFP