This set includes five compatible replacement laser toner cartridges for the Dell 331-7328 (RWXNT) black cartridge. Designed to work seamlessly with Dell B1260dn and B1265dnf laser printers, these high-yield toners provide an economical alternative to expensive OEM cartridges. Manufactured brand new by a third-party supplier, they meet high performance and quality standards for optimal print results. Using compatible toner cartridges does not void your printer's warranty, and each cartridge is equipped with a toner management chip for effective communication with your printer. Backed by a 100% Quality Satisfaction Guarantee.