[sane-devel] Scanning Lineart/Halftone with MICROTEK Scanmaker 9600xl

[Karsten Festag]

Hi Joachim,

I will investigate this, but as I have no time in the moment it will be
not before next week.

Does the same problems occur with xscanimage?

regards,

Karsten

Joachim Backes schrieb:
> Hi,
> 
> having problems with Microtek ScanMaker 96000 xl.
> 
> Environment: Linux RedHat 7.2
>              Kernel 2.4.18
>              xsane-0.86
>              sane-front/backend-1.0.7
> 
> 1. The preview: When previewing a A4 Page with normal 
> text on my ScanMaker 9600xl 
>    (A3 scanner), then after previewing, the dashed frame 
> painted around the read 
>    page is not correct: horizontally, the frame correctly 
> stops at the right margin 
>    of the A$ page, but the lower margin does not stop at 
> the bottom of the A4 page, 
>    but at the bottom of the Scanners A3 pane. That means, 
> the preview frame contains 
>    the rectangle u,v,w,x and not u,v,y,z
> 
> 
>    u                         v 
>    +-------------------------+---------------+
>    |                         |               |
>    |                         |               |  A3 Pane
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |       A4 sheet          |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    |                         |               |
>    +-------------------------+               |
>    |y                        z               |
>    |                         .               |
>    |                         .               |
>    |                         .               |
>    |                         .               |
>    |                         .               |
>    |                         .               |
>    +-------------------------+---------------+
>    w                          x
> 
> 2. Having problems when scanning in LineArt or Halftone 
> mode: in the scan, 
>    a lot of horizontal pixel lines are shifted against 
> each other, so you have a 
>    "shaked" not readable picture.
> 
>    Scanning in Grayscale/Color mode is OK.
> 
> Regards  
> 
> Joachim Backes
> 
> --
> 
> Joachim Backes <backes at rhrk.uni-kl.de>       | Univ. of 
> Kaiserslautern 
> Computer Center, High Performance Computing  | Phone: 
> +49-631-205-2438  
> D-67653 Kaiserslautern, PO Box 3049, Germany | Fax:   
> +49-631-205-3056  
> ---------------------------------------------+----------
> -------------- 
> WWW: http://hlrwm.rhrk.uni-kl.de/home/staff/backes.html  
> 
> 
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