Issue description
After installing the Lexmark 6500e Scanner Communications Card on a Lexmark T65x printer, a 900 Firmware Error appears on the printer control panel.
Possible cause of the error
The firmware code level on the Lexmark T65x printer is too old; it cannot support the code loaded on the Scanner Communications Card.
Solution
Before installing the Lexmark 6500e Scanner Communications Card on a Lexmark T65x printer, the printer firmware must be at least at .P128 level. Follow the steps below to verify and update the printer firmware level.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Determine the firmware code level of the printer using any of the methods below.
Printing the Menu Settings Page
- Press the Menu button.
- Press Reports.
- Press Menu Settings Page to start printing.
- Under Device Information, look for the information next to Base. Click here to see sample.
Using the Embedded Web Server (EWS)
Note: This method requires the printer to be connected to the network via Ethernet cable.
- Launch Internet Explorer (or any other Internet browser).
- Enter the printer's IP address into your browser's address field.
- Click on Reports.
- Launch Internet Explorer (or any other Internet browser).
- Click Device Information and look for the information next to Base. Click here to see a sample screen shot.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Verify whether the firmware code level is at least .P128.
- If the code level is below P128,proceed with the next step to do the update.
- If the code level is P128 and above, contact Lexmark Technical Support for other troubleshooting suggestions.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Download the latest firmware code.
Note: The downloaded ZIP file should contain a text document (Update Instructions) and an “.fls” file (actual code).
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Update the code using any of the following methods.
LEGACY ID: TE418