Ununtu 18.0.4 can't find scanner

**stevecoh1** · June 5th, 2018

The Ubuntu Wiki Page seems to fit my situation, but a crucial piece of information is missing.

I have the epson2 backend enabled (my scanner is "Epson Perfection V300 photo" which is supported.

When I run the sane-find-scanner command though, I get this:

Code:

$ sane-find-scanner

  # 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.

could not open USB device 0x8087/0x8000 at 002:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x8087/0x8008 at 001:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0003 at 004:001: Access denied (insufficient permissions)
could not open USB device 0x138a/0x0017 at 003:006: Access denied (insufficient permissions)
could not open USB device 0x058f/0x9540 at 003:004: Access denied (insufficient permissions)
could not open USB device 0x0557/0x2213 at 003:012: Access denied (insufficient permissions)
could not open USB device 0x0557/0x8021 at 003:011: Access denied (insufficient permissions)
could not open USB device 0x0409/0x005a at 003:010: Access denied (insufficient permissions)
could not open USB device 0x04b8/0x0131 at 003:015: Access denied (insufficient permissions)
could not open USB device 0x04ca/0x7035 at 003:009: Access denied (insufficient permissions)
could not open USB device 0x8087/0x07dc at 003:008: Access denied (insufficient permissions)
could not open USB device 0x17ef/0x604d at 003:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 003:001: Access denied (insufficient permissions)
  # 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.

  # You may want to run this program as root to find all devices. Once you
  # found the scanner devices, be sure to adjust access permissions as
  # necessary.

Note the last paragraph: running sane-find-scanner as root, does indeed find the scanner.

Code:

$ sudo sane-find-scanner
[sudo] password for scohen: 

  # 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.

found USB scanner (vendor=0x138a, product=0x0017) at libusb:003:006
found USB scanner (vendor=0x04b8 [EPSON], product=0x0131 [EPSON Scanner]) at libusb:003:015
...

So it's apparently a permissions issue. However it's not clear to me what to do to resolve that permissions issue. Can someone tell me?

**stevecoh1** · June 5th, 2018

First of all, I asked this same question five years ago, on Ubuntu 13.04. D'Oh! But the answer is different now. It seems to be a question of repositories.

I acquired the proprietary drivers and installed them through a script. I did not notice that the installation did not succeed. The following error messages occurred:

Code:

W: Skipping acquire of configured file 'multiverse/binary-amd64/Packages' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)
W: Skipping acquire of configured file 'multiverse/binary-i386/Packages' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)
W: Skipping acquire of configured file 'multiverse/i18n/Translation-en' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)
W: Skipping acquire of configured file 'multiverse/i18n/Translation-en_US' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)
W: Skipping acquire of configured file 'multiverse/dep11/Components-amd64.yml' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)
W: Skipping acquire of configured file 'multiverse/dep11/icons-48x48.tar' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)
W: Skipping acquire of configured file 'multiverse/dep11/icons-64x64.tar' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)
W: Skipping acquire of configured file 'multiverse/cnf/Commands-amd64' as repository 'http://archive.canonical.com/ubuntu bionic InRelease' doesn't have the component 'multiverse' (component misspelt in sources.list?)

I'm not sure what to do about this. There are several sources on the Net telling you how to set up your repositories in 18.04, for example this one. However, the suggestions made there don't seem to work for me. This page tells me to go to the "Other Software" tab and click the "Canonical Partners" checkbox:

But my screen looks different from this and in any event I can't click on the Canonical Partners checkbox.
Screenshot from 2018-06-05 16-18-12.png
When I try to click it, the window goes faint and nothing happens. It seems like this might be a bug in the Software application itself.

Is there perhaps a way to enable this repository on the command line? And if I do that would it resolve the errors above?

**pqwoerituytrueiwoq** · June 6th, 2018

My guess is is is something in your sources.list left over from a upgrade
here is my /etc/apt/sources.list file, i did a clean install for 18.04

Code:

# deb cdrom:[Xubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main multiverse restricted universe

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic universe
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic multiverse
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu bionic partner
# deb-src http://archive.canonical.com/ubuntu bionic partner

deb http://security.ubuntu.com/ubuntu bionic-security main restricted
# deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
deb http://security.ubuntu.com/ubuntu bionic-security universe
# deb-src http://security.ubuntu.com/ubuntu bionic-security universe
deb http://security.ubuntu.com/ubuntu bionic-security multiverse
# deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse

I think your issue can be fixed with a udev rule
This a utility i include with the software in my signature:
https://github.com/GM-Script-Writer-...-maker.tar.bz2

**HereInOz** · June 11th, 2018

Try running Simple Scan from a terminal as root: sudo simple-scan

Worked for me with my V370 scanner.

**him610** · June 13th, 2018

stevecoh1:

Did you consider running scanimage -L from the command line

**austinzuffi** · September 29th, 2018

hi! same here. trying tough to get my V550 working. clean install of 18.04

sane-find-scanner gets access denied
sudo sane-find-scanner shows

Code:

found USB scanner (vendor=0x138a, product=0x0097) at libusb:001:002
found USB scanner (vendor=0x04b8 [EPSON], product=0x013b [EPSON Scanner]) at libusb:001:010

sudo scanimage -L shows "No scanners were identified"

my scanner uses epkowa backend
/etc/sane.d/epkowa.conf:

Code:

usb 0x04b8 0x013b

i have disabled conflicting epson && epson2 in dll.conf

Code:

#epson
#epson2

anyone know a way to test that the backend is linked correctly? the install script from epson created '/etc/sane.d/dll.d/iscan' which reads simply

Code:

# iscan -- enables the SANE backend(s) required
# Any changes to this file will be lost when upgrading iscan.

epkowa

all looks to be in the right place. hoping usb/scanner permission might improve my situation. also want to verify that the epkowa backend is being seen and linked by sane. any expertise is appreciated

**trash1464** · September 30th, 2018

I have the same problem with an Epson Perfection v600 Photo scanner.

Code:

 sane-find-scanner

  # 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.

could not open USB device 0x8087/0x8002 at 002:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0003 at 008:001: Access denied (insufficient permissions)

sane-find-scanner gets access denied
sudo sane-find-scanner shows

Code:

 sudo sane-find-scanner
[sudo] password for rich: 

  # 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.

found USB scanner (vendor=0x04b8 [EPSON], product=0x013a [EPSON Scanner]) at libusb:003:016

Again it seems to be an issue with access permissions to USB ports or devices. Hoping someone has a way to set USB permissions. I have been working on this for days now.

**austinzuffi** · October 1st, 2018

ubuntu manpage on sane-usb looks helpful, tho i haven't fully deciphered,

sane-find-scanner doesn't list your scanner? Does it work as root? If yes, there is a permission issue. See the LIBUSB section for details.

http://manpages.ubuntu.com/manpages/...ane-usb.5.html

**deof** · December 22nd, 2018

I found a way that works for me.

1) Update sources:
sudo apt-get update

2) Install:libsane 1 (with synaptic)

3) Copy libsane-epkowa files to x86-64 libs:
sudo cp /usr/lib/sane/libsane-epkowa.* /usr/lib/x86_64-linux-gnu/sane/

4) Install your scanner driver (http://download.ebz.epson.net/dsc/se...search/?OSC=LX)

5) Edit /etc/udev/rules.d/79-udev-epson.rules:
sudo nano /etc/udev/rules.d/79-udev-epson.rules

Add:
# chmod device EPSON group
ATTRS{manufacturer}=="EPSON", DRIVERS=="usb", SUBSYSTEMS=="usb", ATTRS{idVendor}=="04b8", ATTRS{idProduct}=="*", MODE="0777"

6) Reboot

Now I can check that sane-find-scanner it is work.

$ sane-find-scanner

# 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.

could not open USB device 0x1d6b/0x0002 at 003:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 008:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 007:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 004:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 010:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 009:001: Access denied (insufficient permissions)
could not open USB device 0x0bda/0x0161 at 002:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 006:001: Access denied (insufficient permissions)
could not open USB device 0x046d/0xc52b at 001:006: Access denied (insufficient permissions)
could not open USB device 0x056a/0x0084 at 001:005: Access denied (insufficient permissions)
could not open USB device 0x05e3/0x0608 at 001:004: Access denied (insufficient permissions)
found USB scanner (vendor=0x04b8 [EPSON], product=0x013a [EPSON Scanner]) at libusb:001:003
could not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)
could not open USB device 0x046d/0xc50e at 005:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 005:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0003 at 012:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 011:001: Access denied (insufficient permissions)
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.

# Not checking for parallel port scanners.

# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.

# You may want to run this program as root to find all devices. Once you
# found the scanner devices, be sure to adjust access permissions as
# necessary.

You can see here https://askubuntu.com/questions/946198/device-driver-for-epson-v600-perfection/974626#974626