The printer may stop printing when the fuser rated life is reached. After 150,000 printed pages (sides) a maintenance kit may be required. Check the 2 digit type code on the fuser.Compatible Printers: Lexmark XC 4150, Lexmark CS 720 de, Lexmark XC 4100 Series, Lexmark XC 4140, Lexmark XC 4140 de, Lexmark CX 725 de, Lexmark CX 725 Series, Lexmark CX 725 dhe, Lexmark C 4150, Lexmark CX 725 dthe, Lexmark CS 720 dte
