Lexmark X651, X651DE, X652, X652DE, X654, X654DE, X656, X656. Compatible with X651H11A, X651H21A - Black. Fits Models: X651, X651DE, X652, X652DE, X654, X654DE, X656, X656DE, X656DTE, X658, X658DE, X658DNE, X658DTE, X658DTFE, X658DTME