User's Guide
Page 97
...from the new cartridge to ship the old cartridge back to replace the pick rollers, the charge roll, transfer roller, and the fuser. Ordering supplies 97 Ordering a maintenance kit 80 Scheduled maintenance advised appears on the display after 300,000 pages have printed to .... See the following table for the maintenance kit part number for X644e and X646e Part numbers 40X0102 (100 V) 40X0100 (110 V) 40X0101 (220 V) Replacement of the maintenance kit. See Recycling Lexmark products for more frequent replacement of the fuser must be individually ordered and replaced as necessary.
...from the new cartridge to ship the old cartridge back to replace the pick rollers, the charge roll, transfer roller, and the fuser. Ordering supplies 97 Ordering a maintenance kit 80 Scheduled maintenance advised appears on the display after 300,000 pages have printed to .... See the following table for the maintenance kit part number for X644e and X646e Part numbers 40X0102 (100 V) 40X0100 (110 V) 40X0101 (220 V) Replacement of the maintenance kit. See Recycling Lexmark products for more frequent replacement of the fuser must be individually ordered and replaced as necessary.