thank you for the advice Brian.
SANE is not finding my scanner now. It worked fine before I scanned
something with windows (previously mentioned). My web search revealed that
in troubleshooting this I need to enter two commands, sudo
sane-find-scanner & sudo scanimage -L:
sudo sane-find-scanner
[sudo] password for bmike1:
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
# No SCSI scanners found. If you expected something different, make sure
that
# you have loaded a kernel SCSI driver for your SCSI adapter.
# No USB scanners found. If you expected something different, make sure
that
# you have loaded a kernel driver for your USB host controller and have
setup
# the USB system correctly. See man sane-usb for details.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
and
sudo scanimage -L
device `hpaio:/usb/Photosmart_C7200_series?serial=MY7A2G42SW04YG' is a
Hewlett-Packard Photosmart_C7200_series all-in-one
While 'xsane -L' recognizes the device SANE seems not too. I would follow
further advice from the support thread where I got these commands but my
computer sees it but won't use it plus my scanner was working!
On Tue, Dec 22, 2015 at 1:35 PM, Brian Cluff <
brian@snaptek.com> wrote:
> I've always like xsane, btw SANE (Scanner Access Now Easy) is the drivers
> that pretty much everything in Linux uses for it's backend, most frontend
> programs just show less options in order to make scanning easy and can hide
> increasing the resolution of the image.
>
> XSANE exposes the maximum amount of options, but that also makes it more
> difficult to use. It does have some really nice options that aren't found
> in many other programs like being able to set zones on your scanner so that
> you can scan multiple images or pages at once and xsane will automatically
> chop them up into seperate images for you. That makes bulk scanning much
> faster.
>
> One other thing you might want to try if you are bulk scanning books is to
> just use a digital camera. A digital camera can take pictures of the pages
> as fast as you can turn the page and most cameras these days have enough
> DPI that that you will have no problem reading them later.
>
> To increase the quality of the photo, find a piece of glass. I ended up
> temporarily robbing one from a picture frame. Then use the glass to press
> the pages flat for the camera. You'll also want a light or 2 to get good
> results. Make sure that you light the book from the sides and not try to
> get it straight on or you'll get a ton of glare.
>
> Once you are done, there are some utilities that can increase the quality
> of your scanned or photographed images. Unpaper is one that comes to
> mind. It can help make the image look even more flat, especially towards
> the spine of the book.
>
> Brian Cluff
>
>
> On 12/22/2015 11:10 AM, Michael Havens wrote:
>
>> I've been using gscan2pdf for a long time. I have been considering the
>> poor resolution as the breaks of the game. I recently resolved to try to
>> fix it because I was scanning my computer manuals in. I fiddled with
>> some stuff but no improvement. I then thought it might be gscan2pdf so I
>> started another scanner. I picked SANE and while the scan was much
>> slower the resolution was not much better (I 'm sure the program isn't
>> called SANE but whenever I try to open a scanner program now I am told
>> "Sorry. No devices found." The second program I used is found by
>> clicking "Acquireimages"). So I thought it was a scanner issue or a
>> computer issue; so I shut Linux down and started Windows. Well, with the
>> Windows7 included scanner program the scan was slower than with
>> gscan2pdf (default settings) but not slower than with SANE and the image
>> was clear. In fact I was able to zoom in 200% and while it was not
>> crystal clear it was very much legible while a Linux zoom of 100%
>> produced a practically illegible document.
>>
>> --
>> :-)~MIKE~(-:
>>
>>
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