[Tfug] Sane backends
andy
andyjones at cox.net
Thu Nov 8 13:55:33 MST 2007
I'm using Feisty 7.04, and I've almost given up. I found this below and
it appears to be a problem in Feisty. It works fine in Gutsy, so I'll
just upgrade sometime and probably break everything else.
http://www.ubuntugeek.com/fixing-a-scanner-broken-by-the-feisty-upgrade.html
andy at andy-laptop:~$ scanimage -T -d plustek:libusb:002:002
scanimage: scanning image of size 202x150 pixels at 24 bits/pixel
scanimage: acquiring RGB frame, 8 bits/sample
scanimage: reading one scanline, 606 bytes... PASS
scanimage: reading one byte... PASS
scanimage: stepped read, 2 bytes... PASS
scanimage: stepped read, 4 bytes... PASS
scanimage: stepped read, 8 bytes... PASS
scanimage: stepped read, 16 bytes... PASS
scanimage: stepped read, 32 bytes... PASS
scanimage: stepped read, 64 bytes... PASS
scanimage: stepped read, 128 bytes... PASS
scanimage: stepped read, 256 bytes... PASS
scanimage: stepped read, 512 bytes... PASS
scanimage: stepped read, 1024 bytes... PASS
scanimage: stepped read, 1023 bytes... PASS
scanimage: stepped read, 511 bytes... PASS
scanimage: stepped read, 255 bytes... PASS
scanimage: stepped read, 127 bytes... PASS
scanimage: stepped read, 63 bytes... PASS
scanimage: stepped read, 31 bytes... PASS
scanimage: stepped read, 15 bytes... PASS
scanimage: stepped read, 7 bytes... PASS
scanimage: stepped read, 3 bytes... PASS
Everything looks good, but if I do the test or run xsane it wants to
default back to the camera for some reason. Does anyone know where or
how I can override this?
andy at andy-laptop:~$ scanimage --test
scanimage: open of device v4l:/dev/video0 failed: Invalid argument
On Tue, 2007-11-06 at 20:16 -0700, Predrag Punosevac wrote:
> I do not know which version of Ubuntu you are using but if it is the
> very latest one one I think I have heard (I think I am not 100% sure)
> that they had some issues with
> printers and scanners that were coming from problems with latest
> Ubuntu itself (I hope I am just ill informed). In your case just by
> reading the code I can see that
> you did not get past the files that are suppose to identify your
> scanner. Did you make sure that your scanner is listed in
> /usr/local/etc/sane.d/cannon.conf
> (or /etc/sane.d/cannon.conf). It is good that you checked the /dev to
> see what kind of the devices you have. Maybe it is normal in Ubuntu to
> have /dev/video
> as a device node for scanner. Any Ubuntu guys around?
>
>
>
>
> On 11/6/07, andy <andyjones at cox.net> wrote:
> > Predrag, I appreciate the scanner instructions. I'm still working on
> > this issue when I can. Lack of dev understanding is my problem.
> >
> > Right now, I get this:
> >
> > andy at andy-laptop:~$ scanimage -L
> > device `v4l:/dev/video0' is a Noname USB 2.0 Camera virtual device
> > device `plustek:libusb:002:003' is a Canon N650U/N656U USB flatbed
> > scanner
> >
> > So it recognizes both the built in USB camera and the scanner. then....
> >
> > andy at andy-laptop:~$ scanimage --test
> > scanimage: open of device v4l:/dev/video0 failed: Invalid argument
> >
> > There isn't any listing for scanner of any type in /dev, so I guess
> > thats why it's try to use the video0? But I don't understand why since
> > it appears to know the device is available. I just don't have any
> > knowledge on devices, maybe I can google up something.
> >
> >
> > Andy
> >
> >
> > On Wed, 2007-10-31 at 16:20 -0700, Predrag Punosevac wrote:
> > > Ok,
> > > I assume that you checked sane web site and that your scanner is
> > > supported:-)
> > >
> > > Since I am a FreeBSD guy I do this from the comand line.
> > >
> > > Step 1
> > > Plug your scanner and reboot. (hot plug in usually doesn't work for
> > > printers and scanners at least not the first time)
> > >
> > > On FreeBSD I would usually adjust permissions before I reboot by editing
> > > /etc/devfs.conf file
> > > with perm /dev/uscanner0 0666 so that I can use scanner as a normal
> > > user.
> > > This file /etc/devfs.conf is FreeBSD specific file(OpenBSD) doesn't have
> > > it for instance. You can check
> > > ls -l /dev/uscanner0 to check the permissions and if it is not something
> > > like rwx-rw-rw you should
> > > do chmod 0666 /dev/uscanner0. This is probably ok in ubuntu
> > >
> > >
> > > Step2
> > > Type sane-find-scanner as a normal user.
> > > Your scanner should be detected. Inspect the output
> > >
> > >
> > >
> > > Step3 Type scanimage --test
> > > You scanner should react and give you output something like this
> > >
> > > [pedja@ /usr/home/Pedja]$ scanimage --test
> > > [snapscan] Scanner warming up - waiting 8 seconds.
> > > [snapscan] Scanner warming up - waiting 36 seconds.
> > > scanimage: scanning image of size 2552x3507 pixels at 24 bits/pixel
> > > scanimage: acquiring RGB frame, 8 bits/sample
> > > scanimage: reading one scanline, 7656 bytes... PASS
> > > scanimage: reading one byte... PASS
> > > scanimage: stepped read, 2 bytes... PASS
> > > scanimage: stepped read, 4 bytes... PASS
> > > scanimage: stepped read, 8 bytes... PASS
> > > scanimage: stepped read, 16 bytes... PASS
> > > scanimage: stepped read, 32 bytes... PASS
> > > scanimage: stepped read, 64 bytes... PASS
> > > scanimage: stepped read, 128 bytes... PASS
> > > scanimage: stepped read, 256 bytes... PASS
> > > scanimage: stepped read, 512 bytes... PASS
> > > scanimage: stepped read, 1024 bytes... PASS
> > > scanimage: stepped read, 2048 bytes... PASS
> > > scanimage: stepped read, 4096 bytes... PASS
> > > scanimage: stepped read, 8192 bytes... PASS
> > > scanimage: stepped read, 8191 bytes... PASS
> > > scanimage: stepped read, 4095 bytes... PASS
> > > scanimage: stepped read, 2047 bytes... PASS
> > > scanimage: stepped read, 1023 bytes... PASS
> > > scanimage: stepped read, 511 bytes... PASS
> > > scanimage: stepped read, 255 bytes... PASS
> > > scanimage: stepped read, 127 bytes... PASS
> > > scanimage: stepped read, 63 bytes... PASS
> > > scanimage: stepped read, 31 bytes... PASS
> > > scanimage: stepped read, 15 bytes... PASS
> > > scanimage: stepped read, 7 bytes... PASS
> > > scanimage: stepped read, 3 bytes... PASS
> > >
> > >
> > >
> > > Step4 It is possible that at this point scanner will complain that it
> > > needs firmware (manufacture binaries)
> > > Many scanneres do need them. Read how to create them from Winblows driver
> > > that came with your scanner.
> > > They should be put in
> > > /usr/local/share/sane/snapscan/your-firmwarefile.bin or what ever path
> > > you find in /usr/local/etc/sane.d/snapscan.conf probably
> > > in the case of Ubuntu /etc/sane.d/snapscan.conf as Linux is known to mix
> > > system /etc/ and applications /usr/local/etc
> > > You should also inspect
> > > /usr/local/etc/sane.d/cannon.conf file.
> > > You scanner should be listed there if not add it based on the dmesg. Look
> > > previous lines for tamplets.
> > >
> > >
> > > Step5 Something scanner conflicts with the printer. Plug and initiate
> > > scanner first and then printer.
> > >
> > > Step6 If above fails that is probably due to the fact that Ubuntu kernel
> > > is messed up (well documented on various mailing lists).
> > > So check their forums for work abounds if there is any.
> > >
> > > Step 7 If above works. Try to scan from the Xsane GUI. It should work like
> > > a charm. Adjust Xsane at your taste using GUI. I usually
> > > scan documents into pdf files so I really hate image formats that are set
> > > by default.
> > >
> > >
> > > Let me know how it goes. I will be back home tonight at 9pm.
> > >
> > >
> > > Cheers,
> > > Predrag
> > >
> > >
> > >
> > >
> > > On Wed, 31 Oct 2007 15:27:14 -0700, andy <andyjones at cox.net> wrote:
> > >
> > > > Thanks Predrag, here's what I've got, maybe you can see what I'm
> > > > missing. Any suggestions would be appreciated.
> > > >
> > > > HP DV2000 notebook, dual core intel, 2 gig Ram, Ubuntu Feisty
> > > >
> > > > Included in the Ubuntu install was XSane the graphical interface for
> > > > Sane which detects my Canon N650U scanner fine and shows the
> > > > Plustek:libusb:001:006 backend. Everything looks good at this point, the
> > > > application starts and appears to be normal, but when I try to acquire a
> > > > preview or scan nothing happens, no lights, no motors, nothing, it
> > > > simply times out and cancels.
> > > >
> > > > The fact that there are no apparent errors is what really has me
> > > > stumped.
> > > >
> > > > Andy
> > > >
> > > >
> > > > On Tue, 2007-10-30 at 23:28 -0700, Predrag Punosevac wrote:
> > > >> Yes,
> > > >> I do have some experience (my Epson scanner works flawlessly on FreeBSD)
> > > >> but I am not a professional sys admin if that was the question.
> > > >> By the way printing and scanning are identical on Linux and FreeBSD so I
> > > >> probably could help.
> > > >> Predrag
> > > >>
> > > >>
> > > >> On Tue, 30 Oct 2007 22:25:23 -0700, andy <andyjones at cox.net> wrote:
> > > >>
> > > >> > Has anyone had any experience with SANE or know how to setup the SANE
> > > >> > backend for scanners?
> > > >> >
> > > >> > Andy
> > > >> >
> > > >> >
> > > >> > _______________________________________________
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