Open the front door.
CAUTION—HOT SURFACE: The inside of the printer might be hot. To reduce the risk of injury from a hot component, allow the surface to cool before touching.
Open the top door.
Lift the toner cartridge handle, and then gently pull it from the imaging kit.
Remove the right side cover.
Press the green levers on each side of the waste toner bottle, and then remove the waste toner bottle.
Lift the blue levers on the imaging kit, and then pull the imaging kit until it stops.
Press down the blue lever, and then grasp the green handles on the sides to pull out the imaging kit.
Warning—Potential Damage: Do not touch the underside of the imaging kit. Doing so could damage the imaging kit.
Remove the used developer unit.
Gently shake the replacement developer unit side‑to‑side before removing it from its packaging.
Remove the red shipping cover from the developer unit.
Insert the developer unit.
Align and then insert the imaging kit.
Gently but firmly push the blue levers down until the imaging kit fits into place.
Note: Make sure that the imaging kit is fully seated.
Replace the waste toner bottle.
Insert the right side cover.
Insert the toner cartridges.
Slide and hold the release latch on the right side of the printer, and then slowly close the top door.
Close the front door.
Seal the used developer unit in the bag that the replacement developer unit came in.
For more information, see Recycling Lexmark products.