This machine is untested. Apparently it does not like the buffering command. This command might be unsupported, or it might have a different format for this machine. Can you get a log of the scanner in action under windows, using this software: http://www.pcausa.com/Utilities/UsbSnoop/
If not, we can just disable this command, and rebuild sane-backends from source. allan On Fri, Nov 25, 2011 at 10:39 AM, Furio Settimi <ris at bresciaservice.com> wrote: > Hi, > I have some problem with Canon DR-7550 on Slackware 13.37 with Sane > V:10.0.22 > When I try this command or other options, the report is every time this. > Example: > > SANE_DEBUG_CANON_DR=25 scanimage ?> file.tiff > > .... > [canon_dr] ssm_buffer: start > [canon_dr] do_usb_cmd: start > [canon_dr] cmd: writing 24 bytes, timeout 30000 > [canon_dr] cmd: wrote 24 bytes, retVal 0 > [canon_dr] out: writing 32 bytes, timeout 30000 > [canon_dr] out: wrote 0 bytes, retVal 9 > [canon_dr] out: wrong size 32/0 > [canon_dr] ssm_buffer: finish > [canon_dr] sane_start: ERROR: cannot ssm buffer > [canon_dr] sane_start: error 9 > scanimage: sane_start: Error during device I/O > [canon_dr] sane_cancel: finish > [canon_dr] sane_close: start > ..... > > thank You > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > ? ? ? ? ? ?to sane-devel-request at lists.alioth.debian.org > -- "The truth is an offense, but not a sin"