[sane-devel] UMAX 1220S Fails to scan

Henning Meier-Geinitz henning at meier-geinitz.de
Sat Nov 15 17:21:30 GMT 2003


Hi,

On Mon, Nov 10, 2003 at 09:51:28PM -0600, bbeal wrote:
> We have just upgraded from Win98 to Mandrake 9.1 on our computer that 
> has a scanner attached to it.  The pertinent hardware is as follows:
> 
> AMD K6-2 350 MHz
> Epox 51 MVP3E motherboard
> SIIG Fast SCSI Pro (AEC6712S without bios)(atp870u driver - module)
> UMAX 1220S with original cable

Does it work in this configuration with a different operating system
(e.g. Windows)?

> The system recognizes the scanner.  I have tailored the umax.conf file 
> and dll.conf file and linked /dev/scanner to /dev/sg0 per sane 
> documentation.  When I start xsane or GIMP/xsane, the scanner is 
> recognized.  When I try to do a preview the light in the scanner comes 
> on and nothing else happens.  When I check the syslog file, the SCSI bus 
> has timed out.  When I kill xsane, the syslog file shows that the SCSI 
> bus is reset.  But the scanner cannot be found now.  The atp870u module 
> will not unload as it indicates that it is busy.  I have to reboot to 
> see the scanner again.  I have not done any sane type of debugging.  I 
> have seen similar problems in the sane-devel archives but no absolute 
> fixes.  Can some one give me some help in finding the problem and 
> getting this scanner to work under Linux.

Looks like either SCSI hardware trouble (termination, bad cable?) or a
driver bug in the atp870u module for me. You could try to test with a
different SCSI controller to find out if it's a SCSI problem.

Which kernel version do you use? Maybe it's fixed in a later version
if it's really a kernel bug?

If you haven't got provate email until now, you can also try to
contact the maintainer of the umax backend directly: Oliver Rauch
<Oliver.Rauch at Rauch-domain.de>.

Bye,
  Henning




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