I now have the same issue.
Running Mint 14 Cinnamon on two computers, desktop and laptop. Attempting to scan via networked HP Officejet 6500 (attached via ethernet to router). Printing works fine.
HP Officejet 6500 would scan without issue after install using hp-setup, and on previous linux installations (Kubuntu 12.04, Sabayon 10, etc etc).
After weekend update, no longer scans ("failed to connect to scanner").
Purged all HP files, installed from HP site hplip-3.2.11.run, same result.
scanimage -L returns
device `hpaio:/net/Officejet_6500_E709a?zc=HPC68655' is a Hewlett-Packard Officejet_6500_E709a all-in-one
hp-scan returns
error: SANE: Invalid argument (code=4)
hp-check -rt returns
HP Linux Imaging and Printing System (ver. 3.12.6)
Dependency/Version Check Utility ver. 15
Copyright (c) 2001-14 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.
Note: hp-check can be run in three modes:
1. Compile-time check mode (-c or --compile): Use this mode before compiling the
HPLIP supplied tarball (.tar.gz or .run) to determine if the proper dependencies
are installed to successfully compile HPLIP.
2. Run-time check mode (-r or --run): Use this mode to determine if a distro
supplied package (.deb, .rpm, etc) or an already built HPLIP supplied tarball
has the proper dependencies installed to successfully run.
3. Both compile- and run-time check mode (-b or --both) (Default): This mode
will check both of the above cases (both compile- and run-time dependencies).
Check types:
a. EXTERNALDEP - External Dependencies
b. GENERALDEP - General Dependencies (required both at compile and run time)
c. COMPILEDEP - Compile time Dependencies
d. [All are run-time checks]
PYEXT SCANCONF QUEUES PERMISSION
Status Types:
OK
MISSING - Missing Dependency or Permission or Plug-in
INCOMPAT - Incompatible dependency-version or Plugin-version
Saving output in log file: /home/joshua/hp-check.log
Initializing. Please wait...
warning: linuxmint-14 version is not supported. Using linuxmint-13 versions dependencies to verify and install...
---------------
| SYSTEM INFO |
---------------
Kernel: 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 GNU/Linux
Host: newoffice
Proc: 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 GNU/Linux
Distribution: linuxmint 14
-----------------------
| HPLIP CONFIGURATION |
-----------------------
HPLIP-Version: HPLIP 3.12.6
HPLIP-Home: /usr/share/hplip
warning: HPLIP-Installation: Auto installation is not supported for linuxmint distro 14 version
Current contents of '/etc/hp/hplip.conf' file:
# hplip.conf. Generated from hplip.conf.in by configure.
[hplip]
version=3.12.6
[dirs]
home=/usr/share/hplip
run=/var/run
ppd=/usr/share/ppd/hplip/HP
ppdbase=/usr/share/ppd/hplip
doc=/usr/share/doc/hplip-doc/HTML
icon=no
cupsbackend=/usr/lib/cups/backend
cupsfilter=/usr/lib/cups/filter
drv=/usr/share/cups/drv
# Following values are determined at configure time and cannot be changed.
[configure]
network-build=yes
libusb01-build=no
pp-build=yes
gui-build=yes
scanner-build=yes
fax-build=yes
dbus-build=yes
cups11-build=no
doc-build=yes
shadow-build=no
hpijs-install=yes
foomatic-drv-install=yes
foomatic-ppd-install=yes
foomatic-rip-hplip-install=no
hpcups-install=yes
cups-drv-install=yes
cups-ppd-install=no
internal-tag=3.12.6
restricted-build=no
ui-toolkit=qt4
qt3=no
qt4=yes
policy-kit=yes
hpijs-only-build=no
lite-build=no
udev-acl-rules=yes
udev_sysfs_rules=no
hpcups-only-build=no
hpijs-only-build=no
Current contents of '/var/lib/hp/hplip.state' file:
Plugins are not installed. Could not access file: No such file or directory
Current contents of '~/.hplip/hplip.conf' file:
[upgrade]
latest_available_version = 3.12.11
notify_upgrade = false
last_upgraded_time = 1355798590.10738
pending_upgrade_time = 0
[settings]
systray_visible = 0
systray_messages = 0
[last_used]
device_uri = hpaio:/net/Officejet_6500_E709a?zc=HPC68655
printer_name =
working_dir = .
[commands]
scan = /usr/bin/simple-scan %SANE_URI%
[refresh]
rate = 30
enable = false
type = 1
[polling]
enable = false
interval = 5
device_list =
[fax]
voice_phone =
email_address =
[installation]
date_time = 12/17/2012 20:50:18
version = 3.12.6
<Package-name> <Package-Desc> <Required/Optional> <Min-Version> <Installed-Version> <Status> <Comment>
--------------------------
| External Dependencies |
--------------------------
gs Ghostscript REQUIRED 7.05 9.06 OK -
network Network-wget OPTIONAL - 1.13.4 OK -
dbus DBus REQUIRED - 1.6.4 OK -
scanimage Shell-Scanning OPTIONAL 1.0 1.0.23 OK -
policykit Admin-Policy-framework OPTIONAL - 0.104 OK -
xsane SANE-GUI OPTIONAL 0.9 0.998 OK -
cups CUPS REQUIRED 1.1 1.6.1 OK 'CUPS Scheduler is running'
-------------------------
| General Dependencies |
-------------------------
reportlab Python-PDF-Lib OPTIONAL 2.0 2.5 OK -
libcrypto OpenSSL-Crypto-Lib REQUIRED - 1.0.1 OK -
pil Python-Image-Lib OPTIONAL - 1.1.7 OK -
pyqt4-dbus PyQt4-DBUS REQUIRED 4.0 4.9.3 OK -
libjpeg JPEG-Lib REQUIRED - - OK -
libpthread POSIX-Threads-Lib REQUIRED - 2.15 OK -
python-dbus Python-DBUS REQUIRED 0.80.0 1.1.1 OK -
python-devel Python-SDK REQUIRED 2.2 2.7.3 OK -
pyqt4 Python-Qt4 REQUIRED 4.0 4.9.3 OK -
cups-devel CUPS-SDK REQUIRED - 1.6.1 OK -
sane-devel SANE-SDK REQUIRED - 1.0.23 OK -
libusb USB-Lib REQUIRED - 1.0 OK -
sane Scan-Lib REQUIRED - 1.0.23 OK -
cups-image CUPS-Image-Lib REQUIRED - 1.6.1 OK -
libnetsnmp-devel SNMP-Networking-SDK REQUIRED 5.0.9 5.4.3 OK -
python-xml Python-XML-Lib REQUIRED - 2.1.0 OK -
python-notify Desktop-notifications OPTIONAL - - OK -
----------------------
| Python Extentions |
----------------------
cupsext CUPS-Extension REQUIRED - 3.12.6 OK -
pcardext PhotoCard-Extension REQUIRED - 3.12.6 OK -
hpmudext IO-Extension REQUIRED - 3.12.6 OK -
-----------------------
| Scan Configuration |
-----------------------
hpaio HPLIP-SANE-Backend REQUIRED - 3.12.6 OK 'hpaio found in /etc/sane.d/dll.conf'
scanext Scan-SANE-Extension REQUIRED - 3.12.6 OK -
------------------------------
| DISCOVERED SCANNER DEVICES |
------------------------------
device `hpaio:/net/Officejet_6500_E709a?zc=HPC68655' is a Hewlett-Packard Officejet_6500_E709a all-in-one
--------------------------
| DISCOVERED USB DEVICES |
--------------------------
No devices found.
---------------------------------
| INSTALLED CUPS PRINTER QUEUES |
---------------------------------
Officejet_6500_E709a
--------------------
Type: Printer
Device URI: hp:/net/Officejet_6500_E709a?zc=HPC68655
PPD: /etc/cups/ppd/Officejet_6500_E709a.ppd
PPD Description: HP Officejet 6500 e709a, hpcups 3.12.6
Printer status: printer Officejet_6500_E709a is idle. enabled since Mon 17 Dec 2012 08:43:07 PM CST
Communication status: Good
Officejet_6500_E709a_fax
------------------------
Type: Fax
Device URI: hpfax:/net/Officejet_6500_E709a?zc=HPC68655
PPD: /etc/cups/ppd/Officejet_6500_E709a_fax.ppd
PPD Description: HP Fax hpcups
Printer status: printer Officejet_6500_E709a_fax is idle. enabled since Mon 17 Dec 2012 08:43:07 PM CST
Communication status: Good
--------------
| PERMISSION |
--------------
error: groups user-groups Required - - MISSING ['lp']
-----------
| SUMMARY |
-----------
Missing Required Dependencies
-----------------------------
None
Missing Optional Dependencies
-----------------------------
None
Total Errors: 1
Total Warnings: 0
Re-run 'hp-check --fix' command to prompt and fix the issues.
Done.
however I am already in group "lp"