Canon imagePROGRAF TX-3100 36" Printer with Basket - Manual (Page 985)

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Cause
Communication with mail server failed.
What to Do
Tap OK on the touch screen to dismiss the error.
Check that the sending mail server (SMTP server) is correctly configured in the Remote UI mail server
settings.
Setting Mail Server
If this does not resolve the error, check the status of the mail server.
Contact the mail server administrator to check the server settings and status.
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