Easy Check Printing with RT MICR Toner RT Compatible HP 89A CF289A MICR Toner Cartridge (With OEM Chip)• Quantity: 1 Magnetic Toner Cartridge for Check Printing• Yield: 5k pages based on 5% coverage, prints 15k checks @ 3 per page.• Compatible Printers: the RT compatible HP CF289A MICR cartridge is designed for HP Laser Printers M507dn M507dng M507n M507x M528dn MFP M528f MFP M528c MFP M528z MFP.The Renewable Toner Advantage • Better Quality And Support. The RT compatible HP 89A toner cartridge is ISO 9001 and 14001 certified and tested to ensure superior performance. We know printing is important - that's why we have a U.S. based customer support team. Contact us with any technical or product issues and we will be happy to assist you. • Earth Friendly. RT is your alternative solution that is cost effective and promotes a cleaner, greener future.Printing Tips • A common error is the “non-genuine” message. If this occurs with the RT compatible HP 89A CF289A MICR cartridges, press OK or Continue repeatedly to dismiss the message. The printer will resume your print job.• Despite the extreme care we take in packaging, sometimes items are damaged during shipping and this can affect print quality. In this case, we immediately send an RT compatible HP 89A MICR toner cartridges (With OEM Chip). If you order more than one cartridge, please test them all.Happy Printing!