Easy Check Printing with RT MICR Toner RT Compatible HP 58A MICR Toner Cartridge (With Chip)• Quantity: 1 Magnetic Toner Cartridge for Check Printing• Yield: 3k pages based on 5% coverage, prints 9k checks @ 3 per page.• Compatible Printers: the RT Compatible HP 58A 58X MICR cartridge is designed for HP LaserJet Printers M404 M404dn M404dw M404n MFP M428 M428fdn M428fdw.The Renewable Toner Advantage • Better quality and support. The RT Compatible HP 58A MICR 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 58A 58X 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 58A MICR cartridge (with Bypass Chip) replacement. If you order more than one cartridge, please test them all.Happy Printing!