print on both sides of paper--solved!

[Peter Flynn]

On 09/11/2022 03:30, Douglas McGArrett wrote:
[snip]
> I finally found, after a lot of poking around, an official HP
> printers set-up. Perhaps I should have found it earlier, but nobody
> else reading here found it either, and it's right in plain sight!
> 
> Go to the application launcher (at the lowest left corner of the 
> display). Select All  Applications. Scroll down to HP Device Manager.. 

Yes, that's the hp-devicesettings program. It's one of those I said 
would be listed if you type hp-<tab><tab>

> Not quite as simple as that, in my case, since I have two HP
> OfficeJet printers, and due to previous attempts to make HPLIP
> function, the HP 7740 was left as the primary printer, and the HP6978
> was left as a subsidiary.
Yes, you have to install each printer in turn first.

> [...] the question that Ubuntu should not have left unanswered in its
> automatic setup routine.

You're running Kubuntu, I think. I'd be interested to know what the most 
recent plain Ubuntu (or Mint) make of your printers. Are they both USB?

Peter