On Tue, Apr 13, 2021 at 9:43 AM <[email protected]> wrote: > > From: m. allan noah <[email protected]> > Date: Tue, Apr 13, 2021 at 09:17:05AM -0400 > > On Tue, Apr 13, 2021 at 8:39 AM <[email protected]> wrote: > > > > > > From: m. allan noah <[email protected]> > > > 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? > > > It didn't, so I added the pa:sane-project/sane-git repository and I > retested with these versions: > > ii libsane:amd64 1.0.32+git20210410-focal0 amd64 > API library for scanners [transitional package] > ii libsane-common 1.0.32+git20210410-focal0 all > API library for scanners -- documentation and support files > ii libsane-hpaio:amd64 3.20.3+dfsg0-2 amd64 HP > SANE backend for multi-function peripherals > ii libsane1:amd64 1.0.32+git20210410-focal0 amd64 > API library for scanners > ii sane 1.0.14-15 amd64 scanner > graphical frontends > ii sane-utils 1.0.32+git20210410-focal0 amd64 > API library for scanners -- utilities > > sudo scanimage -v --mode=Gray --batch --batch-count 999 --format=tiff -y 297 > --buffermode=yes --page-height 297 --resolution 600 '--source=ADF Duplex' > > and lo and behold, that did make a large difference - it works. > > Thanks, > Jurriaan >
Sounds good. It has been many years since I had access to one of these scanners with an elevator. In the past, that buffermode option was not required to make it work. Perhaps something changed in the interim. I suppose we could try to find it by using git bisect, but I am not sure it is worth the effort. allan -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand"
