Easy Check Printing with RT MICR Toner RT Compatible HP 37A CF237A MICR Toner Cartridge• Quantity: 1 Compatible HP 37A MICR Toner Magnetic Ink Cartridge for printing small business, payroll and personal checks. • Yield: 11k pages based on 5% coverage, prints 33k checks @ 3 per page. For added security, use secure blank check paper and accounting software such as QuickBooks, Checksoft • Compatible Printers: the RT Compatible HP 37A MICR cartridge is designed for HP Enterprise M607 M607n M607dn M608 M608n M608dn M608x M608dh M609dn M609x M609dh MFP M631z M631dn M632h M632fht M633fh, Flow MFP M631h M632z M633z printers.The Renewable Toner Advantage • Better Quality And Support. The RT Compatible HP 37A MICR 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 MICR Toner 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 37A MICR CF237A cartridge, press OK or Continue continuously 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 a compatible HP 37A MICR CF237A cartridge. If you order more than one cartridge, please test them all.Happy Printing!