This is a compatible Samsung MLT-D203U toner cartridge guaranteed to perform with Samsung Laser Printers. It replaces the genuine (OEM) Samsung MLT-D203U toner cartridge. This toner cartridge is made with top quality components and new toner to give you the highest quality printouts every time. This compatible for Samsung MLT-D203U toner cartridge is specially engineered to meet or exceed the highest standards of quality, reliability and page yields. Although this cartridge is not made or endorsed by Samsung, it offers customers an economical alternative to expensive OEM Samsung MLT-D203U cartridges and comes with our satisfaction guarantee. This toner cartridge is compatible with M3820, M3870, M4020, M4070 and many more