Hi,

thanks for the answer

unfortunately the scanner is still not stable

I use this command:

scanimage -t 50 -l 80 -x 35 -y 5 -v -p --resolution=4800 --format=tiff > pic.tif

it makes some noise, little movement than it stops forever
after ca 10 sec I do ctrl-c, it is saying " trying to stop scanner..."
than it scans the image, shows properly progress, save it, and stop the head in the middle (doesnt park it)
if I do scanimage -L for example, than it parks head properly

it seems to me, may be there is a bug in the backend....
I see in the code there is en extensive debugging/logging facility - could you give me some hints how to activate/use it? than I could share with you the log


thanks

Janos



On 2016.03.22. 21:24, Stef wrote:
On 18/03/2016 11:22, Kis Janos wrote:
Hi,

1.,

in

genesys_devices.c

has

  /* CANON LIDE 220 sensor */
  {CIS_CANONLIDE220,
   2400,        /* optical resolution */

the optical resolution is actually 4800 DPI


2.,

When I am using imagescan at 4800 DPI resolution, the head moves ca. 10 second slowly before starting scan.

 J



    Hello,

this is the expected behavior. Before doing the final scan, a calibration scan is done. At maximum resolution this takes time. Check in the advanced options that calibration cache is activated. So calibration happens once in a scanning session.

Regards,
    Stef



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