This is a compatible set of 4 high yield toner cartridges designed for the Dell 2150 and 2155 printers. The set includes black, cyan, magenta, and yellow cartridges, each engineered to deliver a total yield of up to 5,500 pages. These compatible toners are triple tested to ensure optimal performance and reliability. Using these replacement cartridges will not void your printer's warranty, and they feature a toner management chip for effective communication with your printer.