If you're running *ubuntu 18.04 it's got hplip version 3.17.10, so the 
default version should be good enough to get your printer working.

Brian Cluff

On 10/28/18 6:06 PM, Michael wrote:
> That will be an easy thing to do. I didn't realize how easy it was 
> going to be until I googled it and found: 
> https://sourceforge.net/projects/hplip/files/hplip/3.18.9/hplip-3.18.9.run/download?use_mirror=nchc
> I'm away from home at the moment but will take care of it when I 
> return home.
>
> On Fri, Oct 26, 2018 at 1:38 PM Matt Graham <mhgraham@crow202.org 
> <mailto:mhgraham@crow202.org>> wrote:
>
>     On 2018-10-25 19:28, Michael wrote:
>     > It didn't work. Whether I selected USB or NEY I got the same
>     response:
>     > error: No device selected/specified or that supports this
>     > functionality.
>     >   $ hp-setup -i 192.168.0.5 <- found in the printer settings
>     > HP Linux Imaging and Printing System (ver. 3.16.3)
>     [massive snip]
>
>     The manufacturer's website at
>     https://developers.hp.com/hp-linux-imaging-and-printing/supported_devices/
>
>     says you need to have at least 3.17.9 of hplip to have everything
>     supported on an HP Envy Photo 7855.  The older version you have
>     installed apparently doesn't do scanning, but it can print. So it's
>     time to upgrade your hplip.  There's got to be something more recent;
>     that's kind of an older version AFAICT and I don't have ebuilds for
>     anything older than 3.18.6 here.  Hey, at least you don't need the
>     proprietary hplip-plugin package!
>
>     -- 
>     Crow202 Blog: http://crow202.org/wordpress
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> :-)~MIKE~(-:
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