Easy Check Printing with RT MICR Toner RT Compatible HP CE278A MICR Cartridge• Quantity: 2 magnetic toner cartridges for check printing• Yield: 2.1k pages based on 5% coverage, prints 6.3k checks @ 3 per page.• Compatible Printers: the RT Compatible HP CE278A MICR Cartridge is designed for HP LaserJet Pro M1536dnf M1537dnf M1538dnf M1539dnf P1566 P1606dn printers.The Renewable Toner Advantage • Better Quality And Support. The RT Compatible HP 78A 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 CE278A 78A MICR 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 an RT Compatible HP78A MICR Toner cartridge free of charge. If you order more than one cartridge, please test them all.Happy Printing!