This compatible set of 4 extra high yield toner cartridges is designed for use in the Dell S3840cdn and S3845cdn printers. It includes black, cyan, magenta, and yellow cartridges, delivering a total yield of up to 38,000 pages. These cartridges are manufactured to ensure optimal performance and print quality, providing a cost-effective alternative to original Dell toner cartridges. Using compatible toner cartridges does not void your printer's warranty and allows for seamless communication with your printer's management system. Backed by our 100% Quality Satisfaction Guarantee.