![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
After extracting both the USB flash utility and firmware file, double-click on the USBf lash Utility icon.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Confirm that the correct printer model is listed under Select Printer From List. If not, click the drop-down arrow to locate and select the correct printer.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Browse to the firmware file directory.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Select the required file and click Open.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Confirm that the correct firmware file is listed under Enter Filename To Flash To Printer.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Click Start.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Observe the progress bar to completion.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Observe the printer LEDs or LCD for flash status. A series of periodic LED light sequences is seen or a specific message appears on the LCD.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
After completion, the printer should return to Ready.