Premium compatible black MICR toner for Hewlett Packard Laserjet 4240n, 4250, 4250n, 4250tn, 4250dtn, 4350n, 4350tn, 4350dtn, 4350dtnsl. Trusty MICR security toner offers consistent quality. High printer compatibility and bank acceptance rates. Count on an extra measure of security; if document alteration is attempted a distinctive blue stain appears.
Manufacturer's one-year warranty.