MTI MICR HP CE255X (55X) AssureScan MICR Toner Cartridge for HP LaserJet P3010, P3015, P3015d, P3015dn, P3015n, P3015x, P3016, M521dn, MFP M521dw, MFP M525c, MFP M525dn, MFP M525f MICR Toner International AssureScan MICR toner is formulated to be scan by all U.S. national, regional, local and international financial institutions. OEM Part #: HP CE255X (55X) Compatible HP Printers: P3010, P3015, P3015d, P3015dn, P3015n, P3015x, P3016, M521dn, MFP M521dw, MFP M525c, MFP M525dn, MFP M525f If you do not receive your product in an MTI-branded box, it is not a genuine MTI product. Let Amazon know. Yield: 12,500 pages (Magnetic Toner for Check Printing)