ou may see the screenshot below after swiping your card on the card reader. This maybe as someone has just sent a large print/scan job from the device, and it is still processing the job after the user has logged out. If you wait 60 seconds, you should be able to login successfully.
![login failed screen… login failed screen…](https://www.ucl.ac.uk/isd/sites/isd/files/styles/medium_image/public/migrated-images/Login-failed-screenshot.jpg?itok=jRsUGagp)