This is a compatible high yield cyan toner cartridge designed to replace the Dell 593-BBBT, 488NH, and TW3NN part numbers. It delivers up to 4,000 pages, ensuring reliable performance with your Dell C2660dn and C2665dnf color laser printers. Our compatible toner cartridges are manufactured to meet high-quality standards and provide an economical alternative to original Dell toners. Using compatible cartridges will not void your printer's warranty and they include a toner management chip for effective communication with your printer. We back this product with a 100% Quality Satisfaction Guarantee.