Windows
Scan-to-email stopped after the OAuth token connection dropped
The Canon iR-ADV 6555 scanner would no longer scan. The OAuth token connection was re-established and scan-to-email should now work normally.
Killed once by someone from XL.net, on 2026-09-03.
Affects
Hardware
- Canon iR-ADV 6555
What you see
- Scanner no longer works
- Scan-to-email fails
Why it happens
Likely OAuth token connection needed to be re-established
When it shows up
A Canon iR-ADV 6555 stops sending scans by email and the OAuth token connection is suspected to be broken or stale
You are in this case if:
- Canon iR-ADV 6555
- OAuth token connection
1 fix below
The steps that killed it
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Someone from XL.net killed this on a Windows computer on 2026-09-03. It is written up from that one repair, so it cites no outside page.