The UDLRO 2-pack box of 26A black toner cartridges is a set of compatible cartridges designed for use with HP printers. The cartridges are specifically compatible with models such as M402d, M402dn, M402dw, and M402n. With a print technology of laser, these black toner cartridges are ideal for producing high-quality, professional-looking documents and images. The open box packaging indicates that the cartridges have been previously used, but they have not been tested by the seller. One looks to have been used not known how much is in it. Other factory sealed