*** USED TONER CARTRIDGE MUST BE RECIEVED PRIOR TO REPLACEMENT TONER CARTRIDGE BEING SENT TO CUSTOMER *** Use in the following printers: Compatible HP models: LaserJet: IIP, IIP Plus, IIIP * Compatible Canon models: LBP-4, LBP-4 III+, LBP-4+, LBP-4sx, LBP-LX * Compatible Digital (DEC) models: DEClaser: 1100, 1150, 1152