The HP90 series is designed specifically for the HP LaserJet Enterprise series of laser printer. Our compatible versions of the HP 90 series produce great looking printers, of comparable quality to originals, at a budget saving price! The HP90A is the standard capacity version of the toner cartridge series, with an approximate page yield of 10,000 pages. LaserJet Enterprise 600 M601, LaserJet Enterprise 600 M601dn, LaserJet Enterprise 600 M601n, LaserJet Enterprise 600 M602, LaserJet Enterprise 600 M602dn, LaserJet Enterprise 600 M602n, LaserJet Enterprise 600 M602x, LaserJet Enterprise 600 M603, LaserJet Enterprise 600 M603dn, LaserJet Enterprise 600 M603n, LaserJet Enterprise 600 M603xh, LaserJet Enterprise M4555 MFP, LaserJet Enterprise M4555f MFP, LaserJet Enterprise M4555fskm MFP, LaserJet Enterprise M4555h MFP