This is a new premium compatible MICR Cartridge designed for HP LaserJet 2100, 2100se, 2100si, 2100m, 2100tn, 2200, 2200d, 2200dn, 2200dt printers. It is custom built to replace HP C4096A toner cartridges. MTI © MICR Cartridges deliver high-quality MICR output and excellent toner yield, at an exceptionally low cost per page. All our products are factory-tested, ISO approved guaranteed to perform with HP LaserJet Printers. We offer an exclusive 30-day customer satisfaction guarantee and 1-Year Manufacturer Warranty. Our dedicated customer care staff is available 9 a.m. to 7 p.m, Monday through Saturday, to answer any questions and provide technical support.