Hewlett Packard Color LaserJet CP4025dn, CP4025n, CP4520 Series, CP4525dn, CP4525n, CP4525xh, CM4540, CM4540f, MC4540fskm - Black Premium remanufactured MSE toner cartridge. This replacement cartridge is a true OEM alternative. 100% made in the USA. STMC, ISO Certifications and backed by an unrivalled 3 year warranty.