Printtool is trying to modify the printer settings

Hi all,


Recently, I updated all the office computers to OSX El Capitan. On a couple of the computers a warning message pops up when trying to print. I've tried using the credentials for my computer's administrator account. But, it's not accepting them. If I hit Cancel, the popup goes away and then I am able to get to the printer console anyways, and print.


Two users are experiencing this. I'm trying to see whether they are using the same networked printer, or not. But, I hazard a guess they are not because they both have printers in their offices, and they are two different model printers.


Any suggestions?


Thanks!


Robert


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Mac mini, OS X El Capitan (10.11), null

Posted on Oct 7, 2015 12:06 PM

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Posted on May 14, 2016 10:09 PM

I believe this will solve your problem:

I didn’t want to reset my print system, I have wired IP printing, wireless, USB, for printers at multiple locations - what a hassle to gather the info from the printer owners and reset all of those up. LUCKILY, there is an easy solution! Just add the user, yourself or whoever have the problem when logged in, to the Print Administrators group using Directory Utility or a Terminal command:


Directory Utility is located in System/Library/CoreServices/Applications, but a few keystrokes in Spotlight is the quickest way to find and open the app.


Click the lock to make changes, then select Directory Editor, then select Groups from the Viewing popup menu. Type “print” (without the quotes) in the search field to quickly access Print Administrators. Select Print Administrators, then GroupMembership. Click the VERY SUBTLE “+” at the right side of the GroupMembership line, then type the name of the user, as example, Kathy, overwriting “new_value” which is already selected, just waiting on you to type. Save and quit Directory Utility. I’m not sure if it takes effect immediately or if you need to log the user out and back in.


Or adding someone to the Print Administrator group is easy (with admin privileges) from the Terminal by copy/pasting or typing this command, replacing “kathy”, in this example, with the actual account name :


sudo dseditgroup -o edit -n /Local/Default -a kathy -t user _lpadmin


**Keep in mind** Terminal does NOT show your password on the screen as you type it in, so as you type it, it *looks* like Terminal is not taking your keystrokes. It is.

19 replies
Question marked as Top-ranking reply

May 14, 2016 10:09 PM in response to Robert Marshall

I believe this will solve your problem:

I didn’t want to reset my print system, I have wired IP printing, wireless, USB, for printers at multiple locations - what a hassle to gather the info from the printer owners and reset all of those up. LUCKILY, there is an easy solution! Just add the user, yourself or whoever have the problem when logged in, to the Print Administrators group using Directory Utility or a Terminal command:


Directory Utility is located in System/Library/CoreServices/Applications, but a few keystrokes in Spotlight is the quickest way to find and open the app.


Click the lock to make changes, then select Directory Editor, then select Groups from the Viewing popup menu. Type “print” (without the quotes) in the search field to quickly access Print Administrators. Select Print Administrators, then GroupMembership. Click the VERY SUBTLE “+” at the right side of the GroupMembership line, then type the name of the user, as example, Kathy, overwriting “new_value” which is already selected, just waiting on you to type. Save and quit Directory Utility. I’m not sure if it takes effect immediately or if you need to log the user out and back in.


Or adding someone to the Print Administrator group is easy (with admin privileges) from the Terminal by copy/pasting or typing this command, replacing “kathy”, in this example, with the actual account name :


sudo dseditgroup -o edit -n /Local/Default -a kathy -t user _lpadmin


**Keep in mind** Terminal does NOT show your password on the screen as you type it in, so as you type it, it *looks* like Terminal is not taking your keystrokes. It is.

Oct 8, 2015 7:41 AM in response to Robert Marshall

Is it possible the users seeing this are not admin users? This sounds like a permissions issue, one that's unlikely to be fixed by resetting the print system. Have you sent feedback to Apple? Just so they are aware of the problem - if enough people provide feedback, maybe they can get the fix in an update.


http://www.apple.com/feedback/macosx.html

Nov 19, 2015 10:15 AM in response to Robert Marshall

No answer to the problem, just another symptom to report. We have a Brother multi-function printer. We have no problems until a scan is done from the printer/scanner using the Brother Control Center application. The next time somebody prints, the printtool permissions dialog comes up. So in our case it is definitely caused by going into scan mode then back to print mode.

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Printtool is trying to modify the printer settings

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