ID Print: No RFID Reader Detected

Modified on Fri, 10 May 2024 at 11:56 AM

If you are seeing the error RFID reader is detected and your printer is connected, there can be various setting issues denying access to the RFID reader. Review each of the trouble shooting guides below to see if it resolves the error.


Ensure there is only one tab/window open in Badge.

Cycle the Power

1. Unplug the USB and power cable from the card printer


Leave USB and cable unplugged for 5 seconds.


2. Plug the USB and power cable back to the ports


Printer will be activated when it displays Ready and there is a beep sound.


Restart Browser


1. Completely close your browser


Completely closing your browser entails closing all browser tabs and windows.

You can open your computer's task manager and force close the entire app.


2. Open your browser and navigate back to ID Print in Badge to connect to TWN4 Serial Port


If you restarted your browser and you are still unable to connect to TWN4 Serial Port, please proceed with the guides below.


Update Browser


1. On the top right corner under the close button, click on the three dots > Click Settings


2. On the left-hand side navigation bar, click About [Browser]


If you are using Chrome, it should say About Chrome

If you are using Edge, it should say About Microsoft Edge

3. Check for any browser updates


If your browser needs an update, click update.

If your browser is up to date and you are still unable
connect to TWN4 Serial Port, please proceed with the guide below.


Clear Browser Cache


Clearing the browser cache will remove all passwords and saved information in your browser.

Ensure you remember your passwords and any information before clearing the cache.
Ensure there is only one tab/window open in Badge.


Click here to learn more about clearing your browser cache.


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