[sane-devel] Still not able to use Epson 4180 with SANE
rogerx.oss at gmail.com
Sat Apr 16 02:14:39 UTC 2016
I'm by far an expert of this list and just monitoring the list since I've
recently scanned in two rolls of negatives using VueScan and now playing around
with XSane. Personally, I prefer using Sane/XSane...
Seems you are correct from your additional (below included) notes, your Epson
scanner is supported or more specifically, should work through epkowa backend,
but is officially unsupported. But if you read into the statement,
"Unsupported: supported by the epkowa backend plus non-free interpreter"
Again, I have a Canon and no Epson as I wanted to avoid proprietary drivers
when using Linux, but this sounds as if the epkowa is talking through the
proprietary Epson IScan backend/driver to me.
At first, I was going to say maybe the iscan utility has a backend service
claiming or locking the device to it's service, disallowing Sane/XSane access
to the device. But from the sounds of it, this may not be true.
What I would probably do for troubleshooting, uninstall the iscan and just use
the epkowa backend with Sane/XSane and see what happens. However as I'm
researching more of this here, I'm pretty sure Sane/Xsane (if compiled with
epson/iscan support) should automatically use the installed IScan drivers. My
guess is, Epkowa support is only support using the proprietary IScan driver!
Also, look over the included epkowa.conf file as there is a setting to force
using a USB Vendor device ID by the driver.
Next time, buy a Canon 9000f or something not chained to proprietary drivers?
> On Fri, Apr 15, 2016 at 04:44:07PM -0600, Colin wrote:
> The supported devices link you provided is for "sane-backends-1.0.16".
> I'm on 1.0.23, so I was believing the following was true now.
> Perfection 4180 PHOTO USB 0x04b8/0x0118 Unsupported
> supported by the epkowa backend plus non-free interpreter
> Hence my attempt with the epkowa backend.
> Part of my attempts to get this working were to install the Epson iscan
> package. I assumed that was the non-free interpreter mentioned above.
> The debug output I listed in the post I included the link to was from
> running iscan. I was hoping that might give someone on this mailing list
> an idea of what was wrong.
> I have seen posts on various boards that people have gotten this scanner
> to work with SANE. And I am (or have tried) doing what they mention they
> did. So far, the only difference in environments I can figure out is that
> those folks are on 32 bit Linux and I'm running 64 bit. Not sure that is
> the problem though.
> Thanks Roger.
> On 04/15/2016 03:55 PM, Roger wrote:
> On Fri, Apr 15, 2016 at 10:08:53AM -0600, Colin wrote:
> Hi sane-devels,
> I was hoping someone here could help out with my continuing issue of not
> being able to use my Espon 4180 with SANE. The original issue with all
> the details is here:
> I hadn't gotten any replies so thought I would re-ask.
> Thanks in advance.
> SANE: Supported Devices
> --- Snip ---
> Perfection 4180 USB unsupported
> Unsupported. Doesn't speak ESC/I. Closely related to the GT-9400. It will be
> supported by epkowa backeend in future. unsupported
> --- Snip ---
> Have you tried the Linux IScan?
> Post number #8 at the following thread describes the procedures.
> (This is why I purchased a Canon CanoScan 9000F MarkII scanner, having native
> Linux Sane support, including working support with the infrared scanning. No
> funny closed source stuff, like iscan's proprietary stuff.)
> Visible links
> 1. http://www.sane-project.org/sane-backends-1.0.23.html
> 2. http://lists.alioth.debian.org/pipermail/sane-devel/2016-March/034471.html
> 3. http://sane-project.meier-geinitz.de/sane-mfgs.html#Z-EPSON
> 4. http://ubuntuforums.org/showthread.php?t=2114010
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