Hey first let me know the product name of the printer so that I can check my resources and let you know , so let me know the model so that I can help you soooon........
And answer my below question too.
Let me know the printer model number?
Let me know the operating system you are using?
Let me know from which application you are trying to scan?
Have you made any recent changes to the hardware/software before this issue could occur?
Do you get any error messages?
When are you getting this error message?
Ok so answer all my question sooon........