The Dell S3840 / S3845 Black Extra High Yield Toner Cartridge 1KTWP is a genuine/original product sealed in a retail box. This toner cartridge is designed for use with Dell printers, specifically the S3845 Series and S3840 Series. It is compatible with the Dell Color Smart Multifunction Printer S3845cdn and S3840cdn. The black color and high-yield capacity ensure long-lasting and quality printing. With the Dell branding and precise compatibility, this toner cartridge is a reliable choice for professional printing needs.