Bug#1013437: cups: Nothing prints from driverless IPP queues unless added via lpadmin

[Brian Potkin <claremont102@gmail.com>]

tags 1013437 moreinfo
thanks



On Thu 23 Jun 2022 at 17:00:31 +0100, Gareth Evans wrote:

> Package: cups
> Version: 2.3.3op2-3+deb11u2
> Severity: normal
> X-Debbugs-Cc: donotspam@fastmail.fm
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where appropriate ***
> 
>    * What led up to the situation?
> 
> Attempting to print to driverless printer queue for airprint printer.
> 
>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
> 
> Brother MFC-L2740DW with print/fax/scan/copy abilities has stopped printing
> from queues not added with lpadmin.
> 
> Autodetected queues, as well as those added via cups web interface or system-
> config-printer, do not produce output.
> 
> This worked until recently, though I don't print often so don't know when it
> changed.
> 
> Printing only works if a queue is added by using the lpadmin command:
> 
> $ sudo lpadmin -p MFC-L2740DW -v
> ipp://Brother%20MFC-L2740DW%20series._ipp._tcp.local/ -E -m everywhere
> 
> Autodetected printer queues are not created if a maually-added printer is
> already set up.
> 
>    * What was the outcome of this action?
> 
> No physical output from printer.

Thank you for your report, Gareth.

Set up

 lpadmin -p testq -v "ipp://Brother%20MFC-L2740DW%20series._ipp._tcp.local/" -E -m driverless:"ipp://Brother%20MFC-L2740DW%20series._ipp._tcp.local/"

Print:

 lp -d testq /etc/nsswitch.conf

The result?

Regards,

Brian.