Sane is free/open source software. Take a spin thru the backend, and see if you can find a good place to send this command.
allan On Mon, Nov 21, 2011 at 7:05 PM, Martin Zackrisson < martin.zackrisson at cmb.gu.se> wrote: > On 2011-11-21 00:56, Olaf Meeuwissen wrote: > >> >> No clue what capability 32829 is, but the scanner protocol command that >> selects whether you use the flatbed or TPU option uses the same values. >> That is, 0 will do a flatbed scan, 1 a TPU scan. >> >> I'm not versed in c++, so I wonder if such a capability could be >>> included in SANE? >>> >> It could, but I seriously doubt it should as it would drive the scanner >> outside of its spec. >> >> >> Thanks very much for your reply. > > I suspect that the scanner has a TPU capability limit is set lower since > Epson must have assumed that people are not interested in scanning the full > area in TPU mode (you are meant to use their fixtures to scan negatives > etc. which all fall inside the standard TPU capability range). > > However, under Windows it is indeed possible to extend it. In fact the > reason I found out about the 32829 was because I monitored what settings > were changed when I launched Epson's own scanning interface (Two more did, > but I never found any functionality connected to them). And changing this > value to 1 does the trick/allows full size scanning. I've gotten many > images that way, and I don't see any significant quality drop outside the > standard max-range. Swithing it back to 0 and you get the smaller scanning > area - all other settings equal. The setting could mean something like "use > full sensor width/length". > > Unfortunately for me, my use of the scanner demands that I succeed in > getting the full image. So I would very much appreciate having this feature > included or directions for how I could build it myself. Else, I would have > to surrender back to Windows and TWAIN again. Also, my brute-force solution > to the lamp-issue below is by simply cutting power to the scanner. This > requires me to work in Linux. So I'm in a bit of a tight spot here. > > Best regards, > > Martin Zackrisson > > > -- > sane-devel mailing list: sane-devel at lists.alioth.**debian.org<sane-devel > at lists.alioth.debian.org> > http://lists.alioth.debian.**org/cgi-bin/mailman/listinfo/**sane-devel<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<sane-devel-request at lists.alioth.debian.org> > -- "The truth is an offense, but not a sin" -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20111121/eb1274c8/attachment.html>