[sane-devel] canon dr-7550c batch scan only scans single page

[m. allan noah]

On Tue, Apr 13, 2021 at 8:39 AM <sanedevel at onderneming10.net> wrote:
>
> From: m. allan noah <kitno455 at gmail.com>
> Date: Tue, Apr 13, 2021 at 08:28:24AM -0400
> > Interesting- the scanner reports it does not have any more paper in
> > it. Some questions:
> >
> > 1. does this happen if source=ADF Front?
>
> Yes, no difference, but only one face of the first page gets scanned, of
> course.
>
> > 2. does the second sheet of paper get pulled into the scanner when the
> > error occurs?
>
> No, it doesn't.
>
> > 3. does this happen at lower resolution?
>
> I see no difference at --resolution 100. Still lower resolutions don't
> really make sense. Higher resolutions (600) make no difference either.
>
> This is a large, bulk volume scanner. On executing the scanimmage
> command, the bottom of the tray moves up so the paper on top touches the
> rollers. After the first page, the tray moves back down. Trying to keep
> the paper up at the same level doesn't make any difference.
>
> Thanks,
> Jurriaan

I think the version you are running might have a buffermode option?
Can you try enabling that, and see if the feeder stays up?

allan

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