[sane-devel] Worsening Scans from Epson Perfection 1640

Karl Heinz Kremer khk@khk.net
Mon, 29 Jul 2002 11:24:55 -0000

Roy Murphy <murphy@panix.com> said:

> 'Twas brillig when Karl Heinz Kremer scrobe:
> > I have never seen something like this before. It really seems that
> > your scanner has a serious problem. I checked the log, and it looks
> > OK. 
> > 
> > What you have in the 150dpi image is not a misregistration of
> > the color channels: You are getting the green data twice. The copy 
> > is sent in place of real image data that is lost: When you look
> > at the first line, the letters "HAT" only show the bottom portion,
> > the top is missing.
> I did some more testing and it seems to be an xscanimage problem.
> Plain old scanimage dosn't exhibit the same problem.  I have a
> different problem at high resolutions (>600 dpi).

Have you tried XSane? When you did the test with scanimage, did you use
the same options as with xscanimage? 

> I get a "usb_control/bulk_msg: timeout" message on the console and
> the epson error light is blinking.

Which kernel version are you using? 

Karl Heinz

> -- 
> Roy Murphy      \ CSpice -- A mailing list for Clergy Spouses
> murphy@panix.com \  http://www.panix.com/~murphy/CSpice.html
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