TONER,F/M4555,STD YLD,BK

It's called the HP 90A Original Toner Cartridge that comes as a Single PackLaser with an ability of printing 10000 Pages with Black color. This comes as 1 toner each in the Box. Toner cartridge features an enhanced formula that fuses quickly to documents for crisp text and sharp, black graphics page after page. Energy-efficient design keeps your operating costs at a minimum for increased savings. Easy-to-use design allows simple cartridge replacement for trouble-free use. Toner cartridge is designed for use with Hewlett-Packard LaserJet 600 M601n, M601dn, M602n, M602dn, M602x, M603n, M603dn, M603xh; M4555h MFP, M4555f MFP and M4555fskm MFP. Cartridge yields approximately 10,000 pages.|Compatible with HP LaserJet 600 M601|Also works in M603n, M603dn, M603xh M4555h MFP and more|Enhanced formula produces crisp text and sharp graphics|Energy-efficient operation reduces your costs|Easy-to-use design ensures trouble-free replacement