The management team of SuppliesOutlet.com has over 30 years experience in the computer supplies and accessories industry and the companies which they have founded have sold literally hundreds of millions of dollars(Including over 10 Million printer cartridges!) in these products over the past 3 decades. Our products are completely compatible with the manufacturers original brand products which they replace and will not void your warranty. Furthermore all of our products are covered by our full lifetime hassle free warranty and a 60 day money back guarantee.