The compatible replacement for the Samsung M504 magenta laser toner cartridge guaranteed to perform with your Samsung laser printer. It replaces the original Samsung CLT-M504S laser toner cartridge. Compatible replacements for the CLT-M504S/XAA laser toner cartridge are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM (Original Equipment Manufacturer) standards and offer high-quality printing results. Samsung laser toner cartridges and supplies are manufactured brand new and offer big savings over brand-name CLT-M504S laser toner cartridges and supplies. The use of compatible replacement laser toner cartridges and supplies does not void your printer's warranty. We offer a 100% Quality Satisfaction Guarantee on our compatible alternatives to CLT-M504S laser toner cartridges.