We have a customer wanting to scan to O365 using a GEN 1 device.
The Latest Canon whitepaper suggests that the device supports TLS 1.2 for its own Security, but it doesn't state it supports TLS 1.2 SMTP communication. Which is why the scan to O365 may be failing.
Can you confirm this?
Thanks for posting! While our forum community members are welcome to chime in, Canon does not provide direct support for imageRUNNER series products. Instead, your dealer will be able to help you! If you don't have a dealer and you're in the United States, please call us at 1-800-OK-CANON (1-800-652-2666) and we will be happy to provide you with the names of dealers in your area.
If you're outside the USA, visit http://global.canon and choose your country or region from the map for local support.
We hope this helps!