Login to the printers web interface.
Find the “Scan to Email” options:

Now you need to enter the following:

• From Address: Use the Office 365 Account Email Address you want to use for the printer
• SMTP Server: smtp.office365.com
• SMTP Port: 587
• Tick the box that says “Always use secure connection (SSL/TLS)”
• Username: Use the Office 365 Account Email Address you want to use for the printer
• Password: Enter the password for the account you want to use.

Scan a document!