This Toner Cartridge is Guaranteed to Work in the Following Brand Printers HP Laserjet M227 toner cartridgesHP LaserJet Pro M203 Toner CartridgesHP LaserJet Pro M203dn Toner CartridgesHP Laserjet Pro M203dw toner cartridgesHP LaserJet Pro MFP M227fdn Toner CartridgesHP LaserJet Pro MFP M227fdw Toner CartridgesHP LaserJet Pro MFP M227sdn Toner Cartridges