Sane and Epson Perfection 2450 Photo scanner

[NoOp]

On 04/08/2007 04:07 PM, Jack Bowling wrote:
> On Sat, Apr 07, 2007 at 07:15:15PM -0400, Alex Janssen wrote:
>> I'm running Ubuntu 6.10 on a Dell Inspiron 1100.
>> Using the X-sane front end, Sane recognizes my Epson Perfection 2450 
>> Photo as an GT-9700:004 and does not control it properly.  It fails to 
>> communicate at all, really.  This is through the USB 2.0 interface.
>> 
>> After Xsane comes up, clicking the [Aquire Preview] button times out 
>> with the error "Failed to start scanner: Error during I/O.".
>> 
>> The Sane site reports the EP 2450 as a supported scanner.
>> 
>> Does anyone know anything about this or something I might try?
>> 
>> Thanks,
>> Alex
> 
> There are many, many, many Epson owners in the same boat. Many
> equivalent bugs opened tagging libusb, sane, udev, etc. as the culprit. There
> has been no resolution to my knowledge. Just go to Google and search for "Epson scanner bugs Ubuntu" or something similar and you can read all about it. I even added a bug in Launchpad. I thought I had it fixed by going from my USB 2.0 to my USB 1.1 bus but it eventually started having the same hiccups.
> 
> For the record, I have the same scanner as you and it exhibits the same
> symptoms. It only behaves if I power off/on the scanner after *every*
> scanner operation. Slows down workflow immeasurably. Used to work fine
> in the old days of hotplug and started to go off the rails when hal/udev was
> instituted. Either this is way down the priority list or everybody is
> too busy blaming each other to figure it out.
> 
> Jack Bowling
> ` 
> 

Have you contacted the author of the backend for help?

http://www.sane-project.org/sane-mfgs.html#Z-EPSON
 http://www.sane-project.org/man/sane-epson.5.html
<quote>
Please send mail to the backend author (khk @ khk.net) to report success
with scanners not on the list or problems with scanners that are listed.
</quote>