HP 87X (CF287XC) LaserJet Pro M501 M506 M527 High Yield Black Original LaserJet Contract Toner Cartridge (18000 Yield). 

Be confident you are getting more from your cartridge. 

Cost-effective Original HP High Yield Toner cartridges with JetIntelligence deliver more pages than ever before. 

Count on intelligent tracking of toner levels and replace less often.