[sane-devel] HP Scanjet 4850 Development

Stef stef.dev at free.fr
Sun Feb 5 08:01:19 UTC 2012

Le vendredi 3 février 2012 13:39:57 Daniël Sonck a écrit :
> Hello all,
> I recently got an HP Scanjet scanner from my parents as I sometimes need
> to copy or scan images as a student. I have seen
> that the genesys backend has experimental support for this scanner as it
> is based on the same chip. I have tried the latest
> snapshot and I am pleased to see that it actually sees the scanner and
> does something with it. Although the statement that
> it works with 2400 - 300 dpi is not entirely true. When I scan an image,
> the top left part gets scanned perfectly but the rest
> is black with stripes through it. You can actually see some of the image
> but it is not suited for copying. Well, it is better than
> nothing but here is the thing. As this scanner is pretty useless if I
> have to switch between Win 7 and OpenSUSE every time
> I want to scan something, I want to help you with the development of
> this driver.
> Well, I know nothing about scanner driver programming but I do know C++
> so I understand the code of the driver. I am not
> willing to donate my scanner as it does work with Win 7 and if it is
> absolutely necessary I will switch to Win 7 to scan. But I
> am willing to do whatever you suggest to try to solve it. You could send
> me code changes to see if these would work or explain what
> I must modify to correct errors.
> Anyway, it is nice that there is some support for this scanner because I
> am not willing to buy a specific scanner if I already
> have a scanner.
> You can see the picture at http://dss.nl.eu.org/pictures/out.png. As far
> as I know, the scanner is fine. I just scanned the interior of the
> scanner, no sheet. There is a special negatives holder that always shows
> up, it makes a nice test scan as it is not confidential.
> Kind regards,
> Daniël Sonck


	did you use a release or compiled from latest git source code ?


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