If you are using an Office 365 account for your scanner, most likely on October 1, 2022 that will cease to function. Here is a Link to the Microsoft article where you can read why they are making this change to increase security. Simply put, this change is being implemented to make it more challenging for malicious individuals or groups to compromise the email services of a user or organization.
If you would like assistance with making these changes. We would be glad to assist you. Since this is not a problem with hardware, but a change being made by Microsoft and that is where you have your email hosted. There will be a small fee to cover our time involved.