msweet at apple.com
Tue Oct 25 10:44:15 PDT 2016
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