[sane-devel] HP scanjet 2300c

[Henning Meier-Geinitz]

Hi,

On 2006-05-11 06:58, Stéphane VOLTZ wrote:
> 	after searching the debug data, I think there is no problem in start position 
> detection (which is correclty reported to be 'top = 65'). In fact it seems 
> that it is the value added to the detected y position is bogus. Currently, we 
> add -2.0 mm which may lead in a negative y movement if the inital y offset is 
> low.

I had a similar problem in the gt68xx backend, where in certain
situations the scan head bumped at the end of the scan area when a
debugging option (scan full area) was set. A check if the start
position is >= 0 helped to fix this.

Bye,
  Henning