10 Replacing toner cartridges and staples and emptying punch scrap box10-18 CS240/CS2317 CAUTIONPrecautions for toner spills% Be careful not to spill toner inside the machine or get toner on your clothes or hands.% If your hands become soiled with toner, immediately wash them with soap and water.% If toner gets in your eyes, immediately flush them with water, and then seek professional medicalattention.To replace the imaging unit (yellow, magenta and cyan)1 Open the machine’s lower front door.– Check that an imaging unit of the same color as the one tobe replaced has been prepared.2 Release the securing levers for the waste toner box, and thenremove the waste toner box.3 Release the securing lever for the imaging unit.