Table of Content
Easy to fix solution to common Ubuntu printing CUPS error:
Cups error as: "Unauthorized"
This error usually happens because network connected printing device cannot authenticate you as a legit user. The most easiesy way to fix this error is being sure the password is still valid and you entered correctly.
Possible reasons to have this error
- On a corporate environment, you entered the wrong username or password, and hence, domain connected printer cannot authenticate you.
- You did not realize, buy your password expired.
Solution
The way it worker for me to fix this error is to execute the following command:
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Make sure line
DeviceURI smb://
has correctly setup your user and password. For exampleDeviceURI smb://jhon:p4ssw0rd@printer/id
And after that, always remember to restart!
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cups.conf
example file
As an example, I show you my current CUPS configuration file content.
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Conclusion
This is a simple solution that works in many cases, where the problem is just an authentication issue. Hope it works for you too.
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