The machine's memory is full and the machine cannot scan the entire document.

Do one of the following:

• (For non-Network models)
  Press any button.
            
  (For Network models)
  Press (Stop).
            
• Turn the machine off and then on by unplugging the machine from the AC power outlet (electrical socket) and then plugging the machine in again.

To prevent the error, do one of the following:

• Reduce the numbers of your documents.
                  
• Set resolution setting or file size smaller.