[cups] Unable to print via CUPS from MacOS Sierra

[Michael Sweet]

Lucian,

> On Oct 24, 2016, at 8:08 AM, Lucian Botha <lucianbotha at gmail.com> wrote:
> 
> We have a CUPS server running on Ubuntu 14.04 which has about 10 HP
> printers configured. We have a mix of Windows, Linux and Mac clients
> printing to the server flawlessly.
> 
> Flawlessly, until some of the Macs were upgraded to Sierra recently. Now,
> if a user tries to print via the server, the client behaves normally, as
> does cups. The job is processed through the server and the job log shows
> the job printed ok. However, nothing emerges out of the printer. The Mac
> clients can print directly to the printer using AirPrint.
> 
> We had an older version of cups so we built a new 16.04 server with the
> latest cups, same result. We can print directly to the printer from the
> print server on port 9100 so that part is working ok.
> 
> Is it safe to assume the problem does not lie with cups, rather with MacOS
> 12.12? Anyone have any troubleshooting ideas?

At this point there is not enough information to say.  You'll need debug logs from both the client and server systems, and a copy of the spool file that gets to the CUPS server.

_________________________________________________________
Michael Sweet, Senior Printing System Engineer