Lexmark CX942
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 printhead wiper, and then clean the printhead lenses.
Put the printhead wiper back into place.
Insert the waste toner transfer unit until it clicks into place, and then lock it.
Close the door.
Here are the steps to replace the printhead wiper, the small device that keeps the printhead lens clean.
Regular printer maintenance extends the life of the printer and ensures quality prints. The process is simple and only takes a few minutes.