![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Press the button on the right side of the printer, and then open the front door.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Pull the toner cartridge out using the handle.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Lift the green handle, and then pull the imaging unit out of the printer.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Unpack the new imaging unit, and then shake it.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Remove all packing materials from the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the photoconductor drum. Doing so may affect the print quality of future print jobs.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Insert the imaging unit into the printer by aligning the arrows on the side rails of the imaging unit with the arrows on the side rails inside the printer.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Insert the toner cartridge into the printer by aligning the side rails of the cartridge with the arrows on the side rails inside the printer.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Close the front door.