This Samsung 503L Toner Ctg CLT-K503L/XAA is a genuine original product that is compatible with Samsung ProXpress C3010 printers. The toner cartridge is designed to produce high-quality prints and is compatible with various models of Samsung ProXpress C3060, ProXpress C3010DW, ProXpress C3010ND, ProXpress C3060FW, and Samsung ProXpress C3060ND. The cartridge is black in color and is categorized under Toner Cartridges, Printer Ink, Toner & Paper, Printers, Scanners & Supplies, and Computers/Tablets & Networking. It is a Type: Genuine Original product that is designed to provide the best possible results.