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Thread: Epson V200 scanner in Intrepid?

  1. #1
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    Epson V200 scanner in Intrepid?

    Edit: Skip to post #23 to find what worked for me

    There is already a thread on Epson V200: http://ubuntuforums.org/showthread.php?t=892351 but since it is now called
    [SOLVED] Epson V200 scanner & Hardy
    I think a new start is justified!

    There is a lot of good information in the old thread, particularly from Tanker Bob & including a link to his guide here.

    I think several of us are still stuck with about the same symptoms though.

    My own case is as follows (copied from old thread - excuse cross-posting)

    I started this thread for my V200 in Hardy & have just upgraded to Intrepid & lost my scanner.

    I followed the very clear track from Tanker Bob here - thanks!

    I have user priviledges for the scanner OK.

    lsusb finds it OK.

    Synapt shows everything there except libsane-extras
    Trying to install that leads to Error messages (attached) & so no installation of libsane-extras.

    Didn't do any special installs or restarts.

    sane-find-scanner finds it OK.

    scanimage -L does not find it.

    sudo scanimage -L does find it...

    /usr/bin/iscan leads to an error.
    sudo /usr/bin/iscan works just fine.

    It sounds like a simple permissions problem.
    I rechecked that in Users & Groups I DO have scanner permission.
    I have not started inventing files or anything fancy, since the thing works for sudo...
    Thanks for any advice!
    Attached Images Attached Images
    Last edited by 2CV67; February 15th, 2009 at 10:36 PM.
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  2. #2
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    Re: Epson V200 scanner in Intrepid?

    In a parallel Ubuntuniverse - http://ubuntuforums.org/showthread.php?t=892351 - Tanker Bob kindly suggested
    It still sounds like a permission issue. Try giving yourself permission to everything to do with USB devices, logout/in, and see what happens. If that doesn't work, try giving yourself permission for everything, logout/in, and see. I think that there has to be some errant permission laying around ambushing you.
    I tried that.
    In System > Admin > Users & Groups > me > Properties > User Priviledges - I already had "Use scanners" enabled (carried over for years) as well as everything except faxes & tapes (& wireless - that's odd...).
    But I unticked scanners & rebooted, then reticked scanners & rebooted - no change.
    Then I ticked everything & rebooted - still no change.

    So now I know I failed to install libsane-extras, which supposedly contains stuff needed to run Epson scanners, but I see behaviour which suggests a permissions problem.

    Is there any way I can pin this down better, or any way I can get libsane-extras to install? (see error messages in initial post).

    Thanks for any suggestions.
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  3. #3
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    Re: Epson V200 scanner in Intrepid?

    I still have Hardy LTS on another partition on the same PC & the scanner still works OK in Hardy...

    I tried comparing all kinds of stuff between Intrepid & Hardy, particularly the items in posts #11 & #23 in this thread on iscan:
    http://ubuntuforums.org/showthread.php?t=20992

    Basically, everything I checked so far looks the same.
    Same permissions.
    Same absence of libsane-extras
    Same versions of iscan 2.8.0-2 & iscan-plugin-gt-f670 2.0.0-2
    Same presence of epkowa in /etc/sane.d/dll.conf
    Same presence of /etc/sane.d/epkowa.conf
    Same settings in /etc/hotplug/usb/iscan-device
    - DEFAULT OWNER=root
    - DEFAULT GROUP=root
    - DEFAULT PERMS=0666

    I did see a slight difference in /etc/sane.d/dll.conf
    - Hardy has:
    - - epkowa
    - - epson
    - - #epson2
    - Intrepid has:
    - - epkowa
    - - epson
    - - epson2

    I tried commenting out #epson2 - no change
    I tried commenting out #epson as well - no change
    I tried changing /etc/hotplug/usb/iscan-device to:
    - DEFAULT OWNER=user - no change

    I have left those changes installed for now.

    I have run out of ideas again!
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  4. #4
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    Re: Epson V200 scanner in Intrepid?

    Under System -> Administration -> Users and Groups, I Unlocked the permissions, then clicked on Manage Groups. I found 2 scanner-related groups: scanner with Group ID 104 and saned with Group ID 123. I am members of both groups on these screens. You might check those. Other than that, I'm not sure what to suggest. I had to scan as root in Feisty, but not in Hardy or Intrepid.
    Linux User #448337
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  5. #5
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    Re: Epson V200 scanner in Intrepid?

    Thanks for your patience!

    I am member of both groups; scanner - ID 105 & saned - ID 124.

    Looking at something "simple" - I am trying to see how/why I can lauch iscan by clicking on /usr/bin/iscan in a root nautilus screen but not in my own nautilus.
    I saw root had r/w permissions but root group & others ro.
    There is a tick in "Allow executing file as program"
    I tried r/w permissions for all - no change.

    Hmmm...
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  6. #6
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    Re: Epson V200 scanner in Intrepid?

    Make sure that you log out and back in after making permission changes. In my experience, they don't "take" otherwise.
    Linux User #448337
    Gigabyte EP45-UD3L MB, Q9650 Core 2 Quad @ 3.3 GHz (OC), 8 GB OCZ Platinum DDR2 SDRAM, EVGA GeForce 8800 GTS w/640MB, 40 GB Intel SSD, 2.0 TB x2 SATA RAID1, Ubuntu 17.04 x86_64

  7. #7
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    Re: Epson V200 scanner in Intrepid?

    Thanks for that good observation.

    In fact, I have generally been doing cold reboots between investigations, partly for config files to 'take' & partly because it's the only way to turn the scanner off - just in case that might be part of the problem - although it does not seem to be a problem hot-rebooting between Hardy & XP.

    I'll keep plugging away...
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  8. #8
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    Re: Epson V200 scanner in Intrepid?

    Quote Originally Posted by 2CV67 View Post
    Thanks for your patience!

    I am member of both groups; scanner - ID 105 & saned - ID 124.

    Looking at something "simple" - I am trying to see how/why I can lauch iscan by clicking on /usr/bin/iscan in a root nautilus screen but not in my own nautilus.
    I saw root had r/w permissions but root group & others ro.
    There is a tick in "Allow executing file as program"
    I tried r/w permissions for all - no change.

    Hmmm...
    Is the execute (x) permission set for non-root access? For example:

    -rwxr-xr-x

    You can set the permissions using "chmod". For example:

    sudo chmod 755 /usr/bin/iscan

    e.p.
    Last edited by emperor; February 6th, 2009 at 04:29 AM. Reason: added chmod info
    linxos.com hllug.org bubbasgeek.com
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  9. #9
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    Re: Epson V200 scanner in Intrepid?

    Thanks for that good question emperor.

    Trying to do everything by GUI - I couldn't see anything about execute permissions.
    See first attachment for apparent permissions.
    I eventually found I needed to:
    Applications > System Tools > Configuration Editor > Apps > Nautilus > Preferences > Show Advanced Preferences > Tick

    Now I can see that everybody has rwx permissions...
    See attachment 2.

    Attached Images Attached Images
    Acer Aspire TC-100-007: Multi boot W10 / 20.04 / 18.04 LTS: Canon TS705: Epson V200: also Asus 1015PED: W7 / 18.04 Lubuntu

  10. #10
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    Re: Epson V200 scanner in Intrepid?

    run iscan from a terminal session and see if any messages are printed that might give a clue to the problem.

    you@host: $ iscan
    linxos.com hllug.org bubbasgeek.com
    100% Linux/BSD @Home: Ubuntu -hp6810,Desktop,Server,MythTV. hpdm4. M0n0WALL -fw/router.

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