Dependable Check Printing with RT Universal MICR TonerRT Compatible HP 37X CF237X Universal MICR Toner Cartridge• Quantity: 1• Magnetic ink for business and personal check printing. • High Yield: 25,000 pages based on 5% coverage; prints 75,000 checks at 3 per page. Please Note: actual yield may vary depending upon the amount of print on the page and other factors. • Compatible Printers: the RT compatible HP CF237X MICR cartridge is designed for HP Color LaserJet Enterprise M608dn M608n M608x M609x M609dh M609dn M609x M631dn MFP M631h MFP M631dn MFP M631z MFP M632fht MFP M632h MFP M632z MFP M633fh MFP M633z MFP printers.The Renewable Toner Advantage • Superior Support. We know printing is important - that’s why we have a U.S. based customer support team. We are customer obsessed! It makes our day to make you smile. • Earth Friendly. We promote a cleaner, greener future. • Lifetime Warranty. Contact us with any technical or product issues and we will be happy to assist you.Printing Tips • A common error is the “non-genuine” message. If this occurs with the RT compatible HP 37X CF237X universal MICR cartridge, press OK or Continue repeatedly to dismiss the message. The printer will resume your print job.• If you order more than one cartridge, please test them all. Despite the extreme care we take in packaging, sometimes items are damaged during shipping and this can affect print quality. • Contact us directly with any malfunctioning item, so we can immediately send an RT compatible HP 37X MICR toner cartridge. Happy Printing!