Lexmark CX833
Open the front door.
Remove the toner cartridges.
Gently pull out the wiper until it stops.
Note: The wiper does not detach from the printer.
Push the wiper back into the printhead until it stops.
Repeat step 3 and step 4 three times for each printhead.
Insert the toner cartridges.
Close the front door.
Clean your scanner periodically to avoid getting blurry and faded scanned images or text.
Learn the proper way of cleaning your printer and the precautions needed to keep it safe.