Compatible Lexmark/IBM 4019 Toner Cartridge - Hi YieldReplaces IBM 1380200, 1380520Our high quality compatible cartridges are manufactured to meet or exceed the original manufacturer's specs and performance standards. Built with all new components and ink, these cartridges are 100% compatible with your printer and will give you the sharp, clear and professional results to you need for your home or business - Guaranteed.- Up to 80% off OEM retail prices- ISO 9001 Quality Certified- 2 Year Shelf Life- 30 Day Risk-Free Buying- 1 Year Manufacturer Warranty