When you need new toner for your Samsung ML-3050 or ML-3051 laser printer, install a genuine Samsung Black Toner Cartridge (ML-D3050B/ELS) for outstanding quality and reliability. Your printer will display the message Toner Low when the current cartridge is running low. Order a replacement and install it when you see the Replace Toner message. This high yield toner cartridge contains even more toner for printing up to 8,000 pages.