Gernot, This is the stderr output of scanimage with DEBUG_SANE, DEBUG_SANE_SANEI_USB, and SANE_DEBUG_DLL all set to 255: http://acm.poly.edu/~kurt/scanimage_all255.txt
Here is the stderr output of scanimage -d test with SANE_DEBUG_TEST set to 255: http://acm.poly.edu/~kurt/scanimage_-d_test.txt thanks, -kurt On Mon, May 17, 2010 at 01:09:23AM +0900, Gernot Hassenpflug wrote: > Hello Kurt, > > I am concerned about this part of the log file: > > [pixma] pixma_open(): Canoscan 8800F > [pixma] WARNING:pixma_write(): count(0) != len(16) > [pixma] OUT T=3.054 len=-1 > [pixma] 00000000:ef 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > [pixma] ERROR: EIO > > It looks as though the scanner is not responding even at the start of > the operation. Maybe you can try setting more debug options to 255: > > DEBUG_SANE > DEBUG_SANE_SANEI_USB > SANE_DEBUG_DLL > > And then send me the log file (or a link to it). I don't know what > changes there might be that Canon has made in firmware perhaps, but > maybe there is some other problem unrelated to the scanner itself that > can be determined from the raw USB communications. > > You might also try sane-test (see man page) to test your sane > installation, and set > > SANE_DEBUG_TEST > > to 255 for that. > > > Best regards, > Gernot Hassenpflug
