[sane-devel] Canon LiDE 200 scanning fails with backends from PPA

[Martin Ueding]

Hi Everyone,

I tried to use the new sane-backend from the Robert Ancell PPA as
described in the [ubuntuforums
post](http://ubuntuforums.org/showpost.php?p=10526638&postcount=31).

According to that post, I should be able to scan with my Canon LiDE 200
using the `sudo simple-scan` command.

The first attempt to scan after attaching the scanner to the computer
(Apple iMac, Intel Core 2 Duo, Ubuntu 10.10 32-Bit) yields some sounds
from the motor of the scanner, but the scanner head barely moves. The
terminal I launched simple-scan from displays the following message:

	** (simple-scan:4209): WARNING **: Unable to start device: Error during
device I/O

When I started another scan, it would do nothing and just block the
program for a while.

Today, I tried the same on another computer (Asus Eee, Intel Atom,
Ubuntu 10.10 32-Bit), and I managed to scan one single page without any
errors. After that, simple-scan showed the message.

I attached the `simple-scan -d` output of a first and a subsequent scan.
If there is anything else I can do to diagnose the problem, please let
me know.

How can I get my scanner to work on either computer?


Regards,

Martin
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