![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Open the stapler door.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Pull down the latch of the staple cartridge holder, and then pull the holder out of the finisher.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Squeeze both sides of the empty staple case with your fingers, and then remove the staple case from the cartridge.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Insert the front side of the new staple case into the staple cartridge, and then push the rear side into the cartridge.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Push the staple cartridge into the finisher until it clicks into place.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Close the stapler door.