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#1 2016-10-18 02:48:02

smrz
Member
Registered: 2016-05-12
Posts: 24

Some apps don't see CUPS printer, but some do.

Some, but not all, applications are not finding a CUPS managed printer.  E.g.

  • LibreOffice

  • Thunderbird

  • Seamonkey

list the printer and can access it with no problem.

On the other hand, invoking printing in

  • Firefox

  • Evince

  • RStudio

does not the show printer as an option (the only option is 'print to file').

Configuration, relevant packages:

  • linux 4.7.6-1

  • openbox

  • cups

  • cups-filter

  • cups-pdf

org.cups.cupsd.service is enabled and has status 'active(running)'.

Note that there is no desktop environment, just openbox

The printer (there's only one) is connected by usb.
I configured the printer using the CUPS server, which detected it and found the correct driver.  I have not edited any configuration files.

Any idea how to fix this?

thanks

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#2 2016-10-18 02:57:06

Scimmia
Fellow
Registered: 2012-09-01
Posts: 11,463

Re: Some apps don't see CUPS printer, but some do.

Sounds like you didn't pay attention to the new optional dep for gtk3.

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#3 2016-10-18 04:58:42

smrz
Member
Registered: 2016-05-12
Posts: 24

Re: Some apps don't see CUPS printer, but some do.

I saw that, but didn't think it was relevant, since I'm not using gnome.  Why would that effect Firefox?  It doesn't seem to matter to Thunderbird.

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#4 2016-10-18 07:55:22

seth
Member
Registered: 2012-09-03
Posts: 49,967

Re: Some apps don't see CUPS printer, but some do.

Look at the dep list of both?

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#5 2016-10-18 09:05:23

smrz
Member
Registered: 2016-05-12
Posts: 24

Re: Some apps don't see CUPS printer, but some do.

Good idea. Both Thunderbird and Firefox depend on gtk2. Firefox (but not Thunderbird) depends on gtk3.  I would not have expected these dependencies.

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#6 2016-10-18 09:16:25

smrz
Member
Registered: 2016-05-12
Posts: 24

Re: Some apps don't see CUPS printer, but some do.

Installing gtk3-print-backends solves the problem for Firefox and evince, but not for RStudio, which does not depend on gtk3.  Hmmm.

Last edited by smrz (2016-10-18 09:16:53)

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#7 2016-10-18 14:39:53

seth
Member
Registered: 2012-09-03
Posts: 49,967

Re: Some apps don't see CUPS printer, but some do.

smrz wrote:

I would not have expected these dependencies.

Why not?? Mozilla ("somehow") uses gtk ever since.
For rstudio, you'll have to record which package from AUR you actually picked (or whether you installed it from a different source)

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