![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Open Door B.
- For single function printers:
- For multifunction printers:
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Remove the Waste Toner Bottle.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Unplug green cable.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Remove the imaging kit. Pull the unit out of the device and set on flat surface.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Remove the toner cartridge then remove the affected color’s developer unit from the imaging kit by pulling the unit out of the imaging kit.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Reinstall the developer unit.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Press the pogo pin contact of the affected color to ensure it springs back out.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Reinstall the imaging kit and plug in the green cable.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Insert the Waste Toner Bottle then close Door A and Door B.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Perform a test print and check if the issue persists.