The problem is that the feature of CUPS broadcasting/browsing and
automatic appearing of remote CUPS queues has been removed from CUPS
1.6.x on. CUPS only does DNS-SD/Bonjour broadcasting via the avahi-
daemon now. Clients do not automatically show the remote queues
advertized by Bonjour. On the client on has to explicitly create a queue
pointing to the remote queue. This queue should be raw so that the
driver on the server gets used.
The following needs to be done:
CUPS package:
- When updating from CUPS 1.5.x to 1.6.1 remove the keywords
"BrowseOrder", "BrowseAllow", and "BrowseRemoteProtocols" and also
remove the argument "cups" from "BrowseLocalProtocols" (replace by
"dnssd"). If this causes a problem with conffiles perhaps patch CUPS to
ignore the now invalid keywords and arguments. Note that the CUPS daemon
does not start if there are errors when parsing cupsd.conf.
system-config-printer package:
- Instead of graying out "Show printers shared by other systems" do not
show it at all if CUPS 1.6.0 or newer is used.
Workaround for the time being:
- Hand-edit /etc/cups/cupsd.conf to remove the deprecated keywords and
arguments, and to have a "BrowseLocalProtocols dnssd" line. Restart CUPS ("sudo
restart cups") after editing cupsd.conf. If the CUPS daemon is not running run
"sudo start cups".
Now the web interface and system-config-printer should work again.
- Run "cupsctl --share-printers" on every machine which should share out
print queues to clients.
- On clients run "system-config-printer", click "Add". In the add-
printer wizard which pops up then wait until the spinning icon at the
lower left disappears, this means that the network scan for printers has
finished. Open the "Network printers" section and choose the entry with
the host name of the server. Then choose the desired queue of the server
in the "Connections" list at the lower right (only if the server has
more than one queue). Click "Forward" and you will only get asked for a
queue name, not for a driver. Finish the wizard. Do this for each client
and for each printer you want to use on the client.
- Now the desired remote CUPS printers should appear in the print
dialogs of your applications.
** Changed in: cups (Ubuntu)
Status: Confirmed => Triaged
** Changed in: cups (Ubuntu)
Importance: Undecided => High
** Changed in: cups (Ubuntu)
Assignee: (unassigned) => Till Kamppeter (till-kamppeter)
** Changed in: cups (Ubuntu)
Milestone: None => ubuntu-12.10
** Also affects: system-config-printer (Ubuntu)
Importance: Undecided
Status: New
** Changed in: system-config-printer (Ubuntu)
Status: New => Triaged
** Changed in: system-config-printer (Ubuntu)
Importance: Undecided => High
** Changed in: system-config-printer (Ubuntu)
Assignee: (unassigned) => Till Kamppeter (till-kamppeter)
** Changed in: system-config-printer (Ubuntu)
Milestone: None => ubuntu-12.10
** Summary changed:
- 'Show printers shared by other systems' greyed out after quantal upgrade
+ Printer sharing via CUPS broadcasting dropped in CUPS 1.6.x
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https://bugs.launchpad.net/bugs/1052897
Title:
Printer sharing via CUPS broadcasting dropped in CUPS 1.6.x
Status in “cups” package in Ubuntu:
Triaged
Status in “system-config-printer” package in Ubuntu:
Triaged
Bug description:
Ever since upgrading to Quantal the 'Show printers shared by other
systems' option is greyed out in System Settings -> Printing. (And,
perhaps redundantly, advertised printers which I saw before the
upgrade, no longer appear.)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1052897/+subscriptions
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