DigiToner New Compatible Replacement Samsung ML-D1630A Laser Toner Cartridge for use in ML-1630, ML-1630W, SCX-4500, and SCX-4500W Printers (Black, 1 Pack) HIGH QUALITY: Because TonerPlusUSA's extensive research and development, this compatible replacement Samsung MLTD307L toner cartridge is guaranteed to be easy to install with your laser printer and give your documents outstanding print quality, clarity, and exceptional yields at a LOWER COST. COMPATIBLE PRINTERS: Samsung ML-1630, ML-1630W, SCX-4500, SCX-4500W RELIABLE TONER: Includes 1 Black toner cartridge. Certified ISO 9001 for quality assurance. Environment assured Certified ISO 14001. HIGH YIELD: 2,000 pages based on 5% coverage. 100% MONEY BACK GUARANTEE: If, for whatever reason, you don't absolutely love your print quality, just return it, and we'll replace it or give you 100% of your money back, no questions asked. We're that confident that you'll love your print quality, and will continue to use our products in the future.