This is a Compatible Sharp FO-50ND (FO50ND) Black Laser Toner Cartridge guaranteed to perform with Sharp Laser Printers. It replaces the original Sharp FO-50ND Laser Toner Cartridge. The compatible replacement FO-50ND Laser Toner Cartridges and supplies (also known as generic) are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM (Original Equipment Manufacturer) standards for the FO-50ND and offer high-quality printing results. Manufactured 100% brand new, they are an economical alternative to expensive OEM FO50ND Sharp Laser Toner Cartridges and supplies, and offer big savings over brand-name FO-50ND Laser Toner Cartridges and supplies. The use of compatible replacement Laser Toner Cartridges and supplies does not void Printer Warranty.We offer a Two Year 100% Quality Satisfaction Guarantee on our Compatible FO-50ND Laser Toner Cartridges and supplies. For use in the following printers: FO Printers FO-DC535, FO Printers FO-4470, FO Printers FO-DC635, FO Printers FO-DC600, FO Printers FO-DC500, FO Printers FO-4400. LD Products is the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.