Print Checks Like a Pro with MTI Universal MICR ProductsMTI Universal HP 11A Q6511A MICR Toner Cartridge• Quantity: 1 Magnetic Toner Cartridge for Check Printing. • Yield: 12k pages based on 5% coverage, prints 36k checks @ 3 per page. Please Note: actual yield may vary depending upon the amount of print on the page and other factors. • Compatible Printers: the MTI universal HP Q6511A MICR cartridge is designed for HP Laser Printers 2420 2420d 2420dn 2420n 2430 2430dtn 2430n 2430tn.The MTI Advantage • Superior Support. We know printing is important - that's why we have a U.S. based customer support team. •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 MTI universal HP 11A Q6511A 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 in the case of a malfunctioning cartridge, so we can immediately send an MTI universal HP 11A toner cartridge.Happy Printing!