[sane-devel] Multiple Scanner Support

m. allan noah kitno455 at gmail.com
Thu Jul 14 00:05:39 UTC 2011

Neat videos!

The answer to your question depends on the scanner, and the driver (we
call them backends).

1. Some scanners are really dumb and require the host software to do
lots of processing to get a usable image. You could certainly stagger
the scans so that two scanners were never in use at the same time.

2. Some backends are written to only talk to one scanner, and may not
play well if two scanners are open from within the same application.
It might be possible to avoid this by running multiple copies of the
app, and giving explicit device names to each copy.

What scanners are you using now?


On Wed, Jul 13, 2011 at 7:53 PM, Joel Penner <featheredtar at gmail.com> wrote:
> Hi. I'm currently using multiple scanners for a project where I have flowers
> scanned a few times an hour to make videos of the desiccation process. I'm
> currently in Germany where I've managed to get three scanners running off of
> one iBook, but at home I have eight scanners strewn across multiple old
> computers. My original idea was to have all the scanners running off of one
> computer, but issues with drivers conflicting with each other in addition to
> poorly programmed drivers which use over half of the CPU's resources while
> scanning presented problems. I've been using the included software packages
> where possible, and VueScan when not. I've experimented a bit with SANE. I
> was wondering what people thought about the possibility of running multiple
> scanners off of one computer. Does SANE support this? And I've been using
> solely PPC Macs running either 10.4 or 10.5 so far.
> You can find some videos of my project here:
> http://www.flickr.com/photos/featheredtar/sets/72157611634807864/
> Thanks,
> Joel
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