Laser Tek Services&reg; Compatible Toner Cartridge for the Samsung ML-1630 ML-1630W ML-1630A SCX-4500 SCX-4500W Package contains 1 Black ML-D1630A High Yield Replacement Toner Cartridge. For use in the following printer models: ML-1630, 1630W, SCX-4500, 4500W Page Yield: 2,000 pages @ 5% page coverage Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Services offers free technical support for any questions you may have. Manufactured by ISO and STMC certified facility.| The Use of Laser Tek Services compatible products will not void your printers warranty.