Bug#879719: libsane-hpaio: Does not recognize OfficeJet Pro 8710
On 12/01/2017 07:05 PM, Brian Potkin wrote:
> How does that sound?
In terms of gut-feeling / speculation, we have arrived at what was obvious to me when opening this bug.
> (It does not look at the broadcasts when the print queue is operative).
The same lines get printed to syslog, so it does technically go through that, but it doesn't prevent the scanner from working with the printer URI.
>
> But you report as above. Therefore, scanimage is not picking up the
> Bonjour broadcasts. It looks like a bug somewhere; but not in the
> Debian package. But where? I'm now going to do a bit of guessing.
>
> Another piece of good information you provide is:
>
> = eth0 IPv6 HP OfficeJet Pro 8710 [XXXXXX] _scanner._tcp local
> txt = ["feeder=T" "flatbed=T" "button=T" "UUID=1c852a4d-b800-1f08-abcd-xxxxxxxxxxxx"
> "note=" "adminurl=http://HPxxxxxxxxxxxx.local."; "mdl=OfficeJet Pro 8710" "mfg=HP"
> "ty=HP OfficeJet Pro 8710" "txtvers=1"]
>
> I think (but am nowhere near certain) that the mdl= key is used by
> hpaio. It could be incorrect (a firmware bug) or mishandled by HPLIP.
That's exactly what I wrote before.
We're back to square one. Strings don't match. One of them needs to change. Or the normalization logic needs to change.
It's the old question: between hardware and driver, which one is inherently "wrong" by virtue of being what it is.
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