this may be foolish, but have you swapped out cable & printer to rule  them  out?

On Sat, Mar 9, 2019 at 4:10 PM Ed Greshko <ed.greshko@greshko.com> wrote:


On Sat, Mar 9, 2019, 21:01 ToddAndMargo via users <users@lists.fedoraproject.org> wrote:
On 3/9/19 4:02 AM, Ed Greshko wrote:
> On 3/9/19 7:57 PM, ToddAndMargo via users wrote:
>> I typically did a restart on cups, but I did it again with a
>> reboot.  No symptom change.   lp0 still busy
>
> So, with cups packages downgraded to 2.2.8-5 it still is broken?

Yes.  I don't think it is cups doing

>
> Again, did the update update other things as well?

about 500 MB of stuff.

> If you've downgraded and it still fails, then maybe cups isn't to blame?

My thoughts as well

> If you've also updated the kernel at the same time, have you tried booting to an earlier one?

tried three different kernels



You may have to get a list from dnf history and start selectively downgrading. 

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