I've only ever seen this message when the user wasn't a member of "lpadmin". The UI user manager has a check box "configure printers" under the account advanced settings. I believe the message is coming because CUPS is asking for an HTTP password.
I've only ever seen this message when the user wasn't a member of "lpadmin". The UI user manager has a check box "configure printers" under the account advanced settings. I believe the message is coming because CUPS is asking for an HTTP password.