There are some cases when the Touchscreen shows this message. Follow the solution suitable for your case.

• Cause 1: The machine's memory is full.
  

  Press and wait until the other operations in progress finish and then try again.

  
  
• Cause 2: The memory card or USB Flash memory drive you are using does not have enough free space to scan the document.
  

  Press .
  Delete unused files from your memory card or USB Flash memory drive to make some free space and then try again.