About the Lexmark MS71x Return Program Fuser, 100V, Type 15
The operator panel displays the message 80 "Replace maintenance kit" at required maintenance intervals. You must replace the fuser, transfer roller, pick roller, and separation roller at this interval to maintain the print quality and reliability of the printer.The operator panel displays the message 80 "Replace maintenance kit" at required maintenance intervals. You must replace the fuser, transfer roller, pick roller, and separation roller at this interval to maintain the print quality and reliability of the printer.