OEM Samsung ML-D4550A black laser toner cartridge is professionally designed to produce the highest quality printouts for your Samsung laser printer. The brand new ML-D4550A is an ideal choice laser toner cartridge for your Samsung printer. Samsung ML-D4550A laser toners deliver excellent, dependable results, page after page. You can depend on Samsung ML-D4550A toner cartridges. 100% Satisfaction Guarantee.