Enjoy smooth, high-quality printing performance with this toner cartridge. The black toner produces sharp, legible text, logos and graphics. This Dell toner cartridge offers a yield of up to 20,000 pages and is designed to work seamlessly with select Dell printers, so you can get started on printing jobs right away. Dell toner cartridges save time and total cost of printing. High-yield toner cartridge, up to 20000 pages. Use and Return toner cartridges are specially priced for customers to use once, and are not to be refilled or remanufactured. Supports Dell toner management system for low toner detection. The package includes one black toner cartridge. Compatible with: Dell S5840cdn. Print high-quality forms, contracts and other documents with this Dell use-and-return high-yield black toner cartridge.