Dell S3840 / S3845 Black Extra High Yield Toner Cartridge 1KTWP OEM Sealed Box. The Dell S3840/S3845 Black Toner Cartridge JP1YT is a genuine OEM product sealed in a retail box, designed specifically for Dell printers in the S3840 and S3845 Series. This black toner cartridge, compatible with the Dell Color Smart Multifunction Printer S3845cdn and S3840cdn, ensures high-quality printing results. With its laser print technology and genuine/original nature, this product delivers reliable and consistent performance, making it a reliable choice for professional printing needs. Made in Japan, this toner cartridge guarantees compatibility and optimal results for your Dell printer.