GPX X642 User Manual

You can use the packing material from the new cartridge to ship the old cartridge back to Lexmark for 
recycling. See 

 for more information.

For information about the print cartridges available for the MFP, contact the place where you bought 
the MFP.

 appears on the display after 300,000 pages have printed to 

let you know it is time to replace MFP maintenance items. Order a maintenance kit when 
80 Scheduled maintenance advised

 first appears on the display. The maintenance kit contains 

all the items necessary to replace the pick rollers, the charge roll, transfer roller, and the fuser.

Note: Using certain types of media may require more frequent replacement of the 

maintenance kit. Although the charge roll, transfer roller, and pick rollers are 
contained within the maintenance kit, they should also be individually ordered and 
replaced as necessary.

See the following table for the maintenance kit part number for your specific MFP. 

For information about maintenance kits available for the MFP, contact the place where you bought 
the MFP.

Replacement of the fuser must be performed by an authorized service technician.

X644H21L

High Yield Print Cartridge

21,000 standard pages

X644X21L

Extra High Yield Print Cartridge

32,000 standard pages

X642e

40X0102 (100 V) 
40X0100 (110 V) 
40X0101 (220 V)

 Declared yield value in accordance with ISO/IEC 19752

2 

Designed for use only in the USA and Canada

3