Nar Cartridges's HP C9704A, Q3964A and Canon 7429A005AA (EP-87) series compatible color laser Drum Unit is guaranteed to meet or exceed original HP or Canon printer Drums in both print quality and page yield. Our Drum Unit has been engineered to create consistent, high quality images. Our Compatible With HP C9704A, Q3964A and Canon 7429A005AA (EP-87) series compatible Drum Unit is made with the highest quality new and recycled components in ISO9001 / ISO14001 certified factories. Nar Cartridges offers 100% OEM compatible Drum Unit and a lifetime performance guarantee.