The Lexmark T632 and T634 Extra High Yield Prebate Print Cartridge is compatible with the Lexmark T632, T632n, T632tn, T632dn, T632dtn and T632dtnf, and the Lexmark T634, T634n, T634tn, T634dn, T634dtn and T634dtnf. It is not compatible with T630, T630n...