M507/M528 MICR Toner Secure Cartridge This TROY M507/M528 MICR Toner works in the TROY M507 and M528 MICR Printers and the HP LaserJet Managed Printer E50145. Magnetic (MICR) Toner produced by TROY provides a level of quality to meet or exceed the highest printing standards. Our MICR toner cartridges are precision-matched to meet the print characteristics of each printer model. Produced by TROY with the tightest tolerances, these MICR toner cartridges consistently meet or exceed the yield of OEM cartridges, providing customers with a low operating cost for check printing. HP only supports MICR products in LaserJet Printers that have been modified to the TROY specification.

TROY products are fully supported by HP Service and will NOT void the HP manufacturer's warranty. Printer reliability is guaranteed with MICR toner cartridges produced by TROY. TROY's unique manufacturing and testing process has resulted in a toner which is precision-matched for e