Lexmark CX943
Open the front door.
Remove the waste toner transfer unit.
Note: To avoid spilling the toner, place the unit in an upright position.
Remove the used transfer module cleaner.
Unpack the new transfer module cleaner.
Insert the new transfer module cleaner.
Insert the waste toner transfer unit until it clicks into place, and then lock it.
Close the front door.
Learn how to remove the fuser when you are installing a new one.
Install a new waste toner transfer unit to make sure that the excess toner is properly transported to the waste toner bottle.