HP 147Y Toner Ink Cartridge LaserJet Black Original Genuine W1470YDescriptionSpecificationsShipping Genuine HP Toner Cartridge producing 42,000 pages (estimated page yield provided based on 5% coverage or at ISO 2471 pattern normal) HP LASERJET ENT M611,HP LASERJET ENT M612,HP LASERJET ENT MFP M634,HP LASERJET ENT MFP M635,HP LASERJET ENT MFP M636 Compatible with the following: HP LASERJET ENT M611,HP LASERJET ENT M612,HP LASERJET ENT MFP M634,HP LASERJET ENT MFP M635,HP LASERJET ENT MFP M636