The Genuine HP 507X (CE400X) OEM Black LaserJet Toner Cartridge is a high-quality printer accessory designed specifically for HP LaserJet printers. Made by HP in Japan, this genuine/ original black toner cartridge is compatible with the HP LaserJet 500 MFP model. With its superior quality and reliability, this product ensures crisp and professional-quality prints every time. Ideal for those needing consistent and exceptional printing results, this HP toner cartridge is a dependable choice for any printing needs.