Lexmark 220-240V Fuser Maintenance Kit The fuser maintenance kit installation is recommended every 120, 000 pages. Maintenance kits include: Fuser (P/N 40X5345) Tray 1 ACM feed tires (P/N 40X5451) Transfer roll (P/N 40X5364) Compatibility Lexmark X466de Lexmark X466dte Lexmark X463de Lexmark X464de Lexmark E460dn Lexmark E460dw Lexmark E460dw Lexmark E460dtn Lexmark X466dwe Lexmark E462dtn