[sane-devel] HP N6350

[Gerard Klaver]

On Thu, 2013-04-11 at 17:09 -0400, Random Quip Generator wrote: 
> This is a similar model to mine ('[#313955] HP Scanjet N8460 (with
> ADF)'), and when I look up his model on the HP web site, I see pointers
> to the N8460 scanner as well.
> 
> I would definitely concur with Wouter's fecal characterization of the
> available Windows scanner software. Even XP's own scanner program beats
> the HP one, which I assure you is faint praise indeed.
> 
> I took mine apart and found an Avision C7C chip (it's in the bug report,
> with links to pics of the board).
> 
> There were no results for either 'N6350' or 'N8460' on the
> hplipopensource.com site search function.
> 
> I tried running 'hp-check' per m. allan, and the program reports that
> everything seems to be set up properly (on my Ubuntu 12.04.2 64 bit), but:
> 
> * 'No scanners were identified', and
> * Under 'USB I/O SETUP' it does find the device, but reports 'error:
> Unsupported model: HP_Scanjet_N8400'
> 
> I suspect that hplip will not work with Wouter's device either, but I'll
> look forward to seeing what he finds.
> 
> Best, -- p
> 
> 
> 
> On 13-04-11 04:42 PM, m. allan noah wrote:
> > Is this model supported by the sane driver from the hplip project?
> > 
> > allan
> > 
> > 
> > On Thu, Apr 11, 2013 at 3:53 PM, Wouter Verhelst <w at uter.be
> > <mailto:w at uter.be>> wrote:
> > 
> >     Hi folks,
> > 
> >     As I blogged recently[1], I own an HP ScanJet N6350 that TTBOMK does not
> >     work with SANE, and of which the Windows software is just crap.
> > 
> >     I'd like to see if I can reverse engineer the protocol (USB and/or
> >     network). This should at the very least be possible, as I'm already
> >     running Windows inside a VM; so it should just be a matter of using
> >     wireshark on the USB and/or network interface.
> > 
> >     Now I do think I have a general idea of how to reverse engineer a
> >     protocol, but I've never actually done anything of the sort before. Is
> >     there something I should pay specific attention to when doing this sort
> >     of thing?
> > 
> >     Additionally, once I've figured out the protocol (or have gathered
> >     enough data), is there somewhere I could send it? I don't think I have
> >     the understanding of the SANE internals to do write the driver myself...
> > 
> >     [1] http://grep.be/blog/en/computer/hardware/dear_hp
> 
> 

For the HP N8460,

Did you check for the sane-avision backend, IIRC some scanners with an
avision C7 chipset are supported with this backend.

With regards,

-- 
--------
m.vr.gr.
Gerard Klaver