[sane-devel] PIXMA: 1 Bit B/W Lineart for pixma_mp150 and pixma_mp810 Subdrivers

ibu ☉ radempa ䷰ ibu at radempa.de
Tue Feb 7 10:18:20 UTC 2012

Dated 2012-02-07 10:30, Rolf Bensch <rolf at bensch-online.de> said:
>>> There seems to be a problem somewhere around post_process_image_data in
>>> pixma_mp150.c. Please use the attached patch to generate log files of
>>> gray and lineart scans. Please send them packed to avoid an unreadable
>>> ML archive.
>> Attached. (Command lines included.)
> I need more debug info. Please use the attached patches to generate the
> log files again.
> How do you scan the images? Please try ADF and flatbed.

Attached you find both. The command lines are included on top of the log
files; I used 300dpi for flatbed and 75dpi for ADF. (After scanning
lineart with ADF the paper got stuck, of course, and I had to reboot the
device - which is a pre-existing bug, unrelated to your lineart patch.)

Thanks, ibu
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