This is a Refurbished Replacement Laser Toner Cartridge to replace the Dell 310-5808 H7030 Yellow Cartridge guaranteed to perform with 5100cn 5100 Dell Color Laser Printer. These refurbished alternatives to the Dell 310-5808 cartridges are OEM Dell Cartridges that have been refurbished by a remanufacturer that is not endorsed or associated with Dell and are guaranteed by LDProducts.com to work with your Dell Printer. Our refurbished alternatives for OEM 310-5808 Laser Toner Cartridges and supplies are manufactured to the highest performance and quality standards and will deliver optimal prints. Cleaned and filled with high quality chemical toner, our refurbished laser toners are an economical alternative to expensive OEM H7030 Dell Laser Toner Cartridges and supplies, and offer big savings over brand-name 3105808 Laser Toner Cartridges and supplies. Since we directly import these refurbished alternatives for the Dell OEM 310-5808 / H7030 laser toner cartridges from an ISO-9001 certified factory, we can pass the savings on to you. The use of refurbished replacement Laser Toner Cartridges and supplies does not void Printer Warranty. All of our remanufactured replacement toner cartridges compatible with Dell laser printers contain a toner management computer chip system that works with Dell Printers*, which helps the cartridge communicate more effectively with your computer.We offer a Two Year 100% Quality Satisfaction Guarantee on our Alternative Refurbished Laser Toner Cartridges and supplies to replace the Dell OEM 310-5808. For use in the following printers Color Laser 5100cn.