[sane-devel] Epson Perfection V500 Photo

m. allan noah kitno455 at gmail.com
Fri Nov 4 20:52:46 UTC 2011

My epjitsu backend speaks to some Epson-based Fujitsu machines. I
suppose it is possible that the v500 could be related, and a modified
version could be produced.


On Fri, Nov 4, 2011 at 4:38 PM, Ronald F. Guilmette
<rfg at tristatelogic.com> wrote:
> In message <87fwi43zbq.fsf at avasys.jp>,
> Olaf Meeuwissen <olaf.meeuwissen at avasys.jp> wrote:
>>WRT FreeBSD support, may I suggest you submit a support request[2] so we
>>get concrete info on how badly people want this.
> I'm not sure that I understand your request.  Could you elaborate?
> I mean I want it.  I want it bad.  How bad?  On a scale from one to ten?
> Well, you know, I suppose that there are many things in this life that I
> want more... youth, good looks, lots of money...
> If you are thinking that many other people will suddenly arise from out of
> the woodwork to clamor for a FreeBSD port of your driver, once I have formally
> done so, well I seriously don't think that's realistic.  It's clear that
> FreeBSD doesn't have nearly the market penetration of Linux at this point,
> so there is never going to be a numerically huge demand.  But those of us
> who use FreeBSD sure would think kindly of your company if you helped us
> on on this.
>>> Is it really (still) the case that in order to make the V500 work with SANE
>>> I have to get some closed-source binary that only runs on Linux?
>>To the best of my knowledge, yes.  I am not aware of any (successful)
>>reverse engineering efforts.
> Alright. Thank you much for the information.
>>> I'm only asking because the guy who maintains the FreeBSD port of the epkowa
>>> backend suggested that I try the epson2 backend, because he felt that it was
>>> more up-to-date.
>>Is that guy talking about the latest iscan release (2.27.1, released on
> I have no idea what specific version he was talking about.  All I know is
> that I've now tried both epkowa and epson2 and both are non-functioning for
> me in the way I described, i.e. sane-find-scanner sees the scanner while
> scanimage does not.
> Regards,
> rfg
> P.S.  If you guys already have the code to make this work, then why not just
> do a FreeBSD port and release it as "unsupported"?  I cannot imagine that
> doing that would take much work on your part.  I mean it isn't as if Linux
> and FreeBSD are such radically different environments.  In fact they are
> virtually identially in most respects.  And also, as I understand it, access
> to this typr of scanner on FreeBSD is now performed exclusively through a
> low-level thing called "libusb" which is presenting some sort of nice clean
> API to higher level code that wants to access USB devices.  So if your code
> already knows how to interface to libusb on Linux... well... I mean seriously,
> how hard would it be to just recompile the stuff for FreeBSD and then just
> stick the result on your FTP server under unsupported/ or something like that?
> Of course, if you are willing to do this I'll be more than happy to volunteer
> to be the guinea pig and test the thing out for you and see if it even works.
> --
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