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-   -   Canon iP4600 printer not responding to Cups in Slack14.0 (no problems with13.37) (https://www.linuxquestions.org/questions/slackware-14/canon-ip4600-printer-not-responding-to-cups-in-slack14-0-no-problems-with13-37-a-4175457605/)

Jamesag37 04-10-2013 03:02 AM

Canon iP4600 printer not responding to Cups in Slack14.0 (no problems with13.37)
 
No problem with Slack 13.37 or WinXP (dual boot).Followed prompts in Cups,won't accept su or normal user pw.Select printer,start printer,usual printer wake-up actions,but error message says printer not available (or similar).BTW I only have one printer.

STDOUBT 04-10-2013 08:45 PM

Is your user (for some reason) not in the "lp" group? I'm not sure if this would affect a "su -" though...

Jamesag37 04-12-2013 03:31 AM

Hi STDOUBT,
Please explain "lp" group ?

tronayne 04-12-2013 07:08 AM

Logged in as that user, open a terminal and
Code:

groups
users sys lp floppy dialout audio video cdrom plugdev power usbfs netdev scanner vboxusers cvs

You should see pretty much the above (except vboxusers and cvs -- you won't have those unless you've installed VirtualBox and have set up CVS).

When you added the user account (with the Slackware utility useradd) there is a question about groups:
Code:

adduser
 .
 .
 .
User ID ('UID') [ defaults to next available ]:

Initial group [ users ]:
Additional UNIX groups:

Users can belong to additional UNIX groups on the system.
For local users using graphical desktop login managers such
as XDM/KDM, users may need to be members of additional groups
to access the full functionality of removable media devices.

* Security implications *
Please be aware that by adding users to additional groups may
potentially give access to the removable media of other users.

If you are creating a new user for remote shell access only,
users do not need to belong to any additional groups as standard,
so you may press ENTER at the next prompt.

Press ENTER to continue without adding any additional groups
Or press the UP arrow key to add/select/edit additional groups    < I did press the key here >
:  audio cdrom floppy plugdev video power netdev lp scanner
 .
 .
 .

If you did not do that, you can add those groups to the user account with the usermod utility:
Code:

su -
usermod -a -G audio,cdrom,floppy,plugdev,video,power,netdev,lp,scanner userid

It's *critical* that you use the -a and -G options as shown and that the group names are separated by a comma (no white space); "userid" is the user log in. If these groups did not show up when you used the groups utility as above, you should simply do all of them as shown here.

Wouldn't hurt to read the manual page for usermod:
Code:

man usermod
Hope this helps some.


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