The Genuine HP 90A CE390A Black LaserJet Toner Cartridge yields up to 10000 pages per cartridge at a 5% page coverage. Buying genuine name brand cartridges from InkGenie® allows you to print quality, sharp images and text at a discounted price along with superior service. These cartridges are compatible with the following printer models : HP LaserJet Enterprise M4555f MFP, HP LaserJet Enterprise M4555fskm MFP, HP LaserJet Enterprise M4555h MFP, HP LaserJet Enterprise M4555 MFP, HP LaserJet Enterprise 600 M601dn, HP LaserJet Enterprise 600 M601n, HP LaserJet Enterprise 600 M602dn, HP LaserJet Enterprise 600 M602n, HP LaserJet Enterprise 600 M602x, HP LaserJet Enterprise 600 M603dn, HP LaserJet Enterprise 600 M603n, HP LaserJet Enterprise 600 M603xh