ErrorCodeDoctor
Canon · Printer (imageCLASS)

Canon Printer (imageCLASS) #839 error code

Difficulty: Medium · Cost: $0 · Duration: 5m

Error code #839 on your Canon imageCLASS printer means SMTP authentication failed because the username or password for the email server is incorrect. Check and correct the SMTP authentication credentials in the machine's email settings.

Common causes

  • The SMTP authentication username or password is set incorrectly in the machine's email settings

How to fix it

  1. 1

    Go to the machine's email settings

  2. 2

    Correct the SMTP authentication username and password

  3. 3

    Save the settings and try the email operation again

Related Canon Printer (imageCLASS) error codes

1

#001

An original document has jammed in the feeder

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2

#003

A fax could not be sent or received because the data size is too large

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3

#005

A fax could not be sent because the recipient's machine did not respond within 35 seconds

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4

#012

A fax could not be sent because the recipient's machine has run out of paper

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