Lexmark M C240FW User Manual page 150

Maintain the printer
5
To avoid stray toner contamination, place a sheet of paper on top of the print cartridge tray, and then insert
the print cartridge tray.
6
Close the front door.
7
Remove the tray.
8
Remove the waste toner bottle.
Note: To avoid spilling the toner, place the bottle in an upright position.
150