[sane-devel] xsane preview problem

[Dan McGhee]

Dan McGhee wrote:

> Dale Braden wrote:
>
>> I am using xsane v0.97 together with the snapscan backend (from 
>> sane-backends v1.0.15) to drive an Epson 2580 Photo scanner.  I'm 
>> scanning old black and white photographs.  Scanning works fine, but 
>> the preview does not.  When I click the "Acquire Preview" in the 
>> xsane Preview window, only streaks of black and white lines show up.  
>> I don't actually see anything like the image I'm trying to scan.  I 
>> hear the scanner's motor run, but I notice that the light source does 
>> not move as it would during a regular scan.  I don't know how to tell 
>> the scanner to do a "preview" without using xsane, so I can't 
>> determine whether the problem is with the scanner driver or with 
>> xsane.  Anybody know what the problem is?
>>
>> Dale
>>
>>
> I do not know what specifically the problem is.  I get the same 
> results using avision (HP 5370C), xsane or xscanimage.  Therefore, I 
> don't think it's a backend problem.  (I got my scanner working just 
> today.)
>
> In my preview window I get a grey background with thin, randomly 
> placed colored lines.  I haven't checked the light moving, but my 
> "real" scans are nice once I get the gamma, contrast and brightness set.
>
> I thought I might have to re-compile sane-frontends, but I compiled 
> xsane after sane-backends-1.0.16 (using Rene Rebe's most recent patch 
> for avision), and got similar results.  I just wanted to validate your 
> situation.
>
> Dan
>
I screwed up and didn't get this on the list.

Dan