Replaces the Following Manufacturer Numbers: Lexmark X463A11G, Lexmark X463H11G, Lexmark X463H21G, Lexmark X463X11G, Lexmark X463X21G. Compatible with the Following Printer Models: Lexmark X463, Lexmark X463DE, Lexmark X464, Lexmark X464DE, Lexmark X466, Lexmark X466DE, Lexmark X466DTE, Lexmark X466DWE.