Fuser maintenance kit is a genuine Lexmark part designed especially for use with Lexmark T630, T630VE, T630dn, T630n, T630n VE, T632, T632dtn, T632dtnf, T632n, T632tn, T634 Series, X630, X632, X632e and X632s monochrome laser printers to assure quality. The 110-127V kit yields 300,000 pages.