FOR USE IN: HP COLOR LASER JET 4500/ 4500DN/ 4500N/ 8500/ 8500DN/ 8500N HP C4194A TONER YELLOW FOR USE IN: HP COLOR LASER JET 4500, HP COLOR LASER JET 4500DN, HP COLOR LASER JET 4500N, HP COLOR LASER JET 8500, HP COLOR LASER JET 8500DN, HP COLOR LASER JET 8500N PART #: HP C4194A, C4194A