[sane-devel] I/O Errors with hp 7400c - achieve more verbosity

Wolf Drechsel wd-p at trolink.de
Fri Nov 4 09:30:01 UTC 2016

Am Mittwoch, den 02.11.2016, 19:47 +0100 schrieb Wolf Drechsel:
> Hello everybody,
> my HP scanjet 7400c worked nicely over many years with ubuntu.
> Now, for no reason I can see, it starts to throw I/O errors - the
> same on the desktop with ubuntu 16.10 and the laptop 16.04. - I
> suspect, it might be a hardware issue, but would be grateful for
> experts' hints before I trash the device.

An additional question:
 How can I achieve more verbosity to find out what's going on?

scanimage -v -L   or
scanimage -v >testfile

didn't do anything, dmesg neither provides much useful information -
and g**gl wasn't my friend in that case.


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