Speedy Inks Black Toner Computer Accessories sku-191776879

Speedy Inks Computer Accessories pack contains 4 compatible Black high-yield toner cartridges replacing HP 90X CE390X HY. SKU: sku-191776879. UPC: 014181098732. They work with HP LaserJet Enterprise M4555f, M4555fskm, M4555h, M601n, M601dn, M602n, M602dn, M602x, M603n, M603dn and M603xh printers. Average yield is 24,000 pages per cartridge, measured under ISO-19752 at 5% coverage. The page count is equivalent to the original HP 90X. Contact the seller with order concerns or problems.