10.04.1 LTS - /dev/usb/lp0 disappears when I print or run hp-check -t

Wed Jan 5 12:21:00 UTC 2011

Hi folks

I posted this on forums and got nothing so any pointers would be gratefully
accepted.

I cannot find anything that talks specifically about this issue and I'm sure
it's a simple thing if you know what you're doing on the drivers. I doubt it
has to do with the printer itself - I hope I am not being dorf and missing
something obvious.

I am running 10.04.1 LTS on generic hw (no X GUI).
I have a HP laserjet color 1600 connected via USB
I installed HPLIP and ran hp-check and cleaned up all the dependancies.
Then - as per http://ubuntuforums.org/archive/index.php/t-1536862.html -

 I removed hplip (apt-get remove hp*) and
downloaded latest from

	http://sourceforge.net/projects/hpli...lip-3.10.9.run
<http://sourceforge.net/projects/hplip/files/hplip/3.10.9/hplip-3.10.9.run> 

ran ./hplip-3.10.9.run --nox11
and ran through all the options sucessfully.
Last error was that the hp executables were still running and I needed to
reboot.

I rebooted and ran hp-setup -i
No errors (including plugin required for this printer).

Now the printer is detected
the USB port detected (as /dev/usb/lp0 and /dev/usblp0)
the print queue is setup as HPcolor
-- all set to go --

I run hp-testpage and immediately both /dev/usb/lp0 and /dev/usblp0
disappear and the page does not print.

If I disconnect the printer and then replug it in /dev/usb/lp0 and
/dev/usblp0 are back.

and so it repeats. The printer queue getting longer.

ANY ideas?

# hp-check -t

Code:
Initializing. Please wait...
\/usr/lib/pymodules/python2.6/gtk-2.0/gtk/__init__.py:57: GtkWarning: could
not open display
  warnings.warn(str(e), _gtk.Warning)
---------------
| SYSTEM INFO |
---------------

Basic system information:
Linux gateway2 2.6.32-26-generic-pae #48-Ubuntu SMP Wed Nov 24 10:31:20 UTC
2010 i686 GNU/Linux

Distribution:
ubuntu 10.04

Checking Python version...
OK, version 2.6.5 installed

Checking PyQt 4.x version...
OK, version 4.7.2 installed.

Checking for CUPS...
Status: scheduler is running
Version: 1.4.3
error_log is set to level: warn

Checking for dbus/python-dbus...
dbus daemon is running.
python-dbus version: 0.83.0

------------------------------------
| COMPILE AND RUNTIME DEPENDENCIES |
------------------------------------

note: To check for compile-time only dependencies, re-run hp-check with the
-c parameter (ie, hp-check -c).
note: To check for run-time only dependencies, re-run hp-check with the -r
parameter (ie, hp-check -r).

Checking for dependency: CUPS - Common Unix Printing System...
OK, found.

Checking for dependency: CUPS devel- Common Unix Printing System development
files...
OK, found.

Checking for dependency: CUPS image - CUPS image development files...
OK, found.

Checking for dependency: DBus - Message bus system...
OK, found.

Checking for dependency: gcc - GNU Project C and C++ Compiler...
OK, found.

Checking for dependency: GhostScript - PostScript and PDF language
interpreter and previewer...
OK, found.

Checking for dependency: libcrypto - OpenSSL cryptographic library...
OK, found.

Checking for dependency: libjpeg - JPEG library...
OK, found.

Checking for dependency: libnetsnmp-devel - SNMP networking library
development files...
OK, found.

Checking for dependency: libpthread - POSIX threads library...
OK, found.

Checking for dependency: libtool - Library building support services...
OK, found.

Checking for dependency: libusb - USB library...
OK, found.

Checking for dependency: make - GNU make utility to maintain groups of
programs...
OK, found.

Checking for dependency: PIL - Python Imaging Library (required for
commandline scanning with hp-scan)...
OK, found.

Checking for dependency: PolicyKit - Administrative policy framework...
OK, found.

Checking for dependency: PyQt 4 DBus - DBus Support for PyQt4...
OK, found.

Checking for dependency: Python DBus - Python bindings for DBus...
OK, found.

Checking for dependency: Python devel - Python development files...
OK, found.

Checking for dependency: Python libnotify - Python bindings for the
libnotify Desktop notifications...
OK, found.

Checking for dependency: Python XML libraries...
OK, found.

Checking for dependency: Python 2.3 or greater - Required for fax
functionality...
OK, found.

Checking for dependency: Python 2.2 or greater - Python programming
language...
OK, found.

Checking for dependency: Reportlab - PDF library for Python...
OK, found.

Checking for dependency: SANE - Scanning library...
OK, found.

Checking for dependency: SANE - Scanning library development files...
OK, found.

Checking for dependency: scanimage - Shell scanning program...
OK, found.

Checking for dependency: xsane - Graphical scanner frontend for SANE...
OK, found.

----------------------
| HPLIP INSTALLATION |
----------------------

Currently installed HPLIP version...
HPLIP 3.10.9 currently installed in '/usr/share/hplip'.

Current contents of '/etc/hp/hplip.conf' file:
# hplip.conf.  Generated from hplip.conf.in by configure.

[hplip]
version=3.10.9

[dirs]
home=/usr/share/hplip
run=/var/run
ppd=/usr/share/ppd/HP
ppdbase=/usr/share/ppd
doc=/usr/share/doc/hplip-3.10.9
icon=/usr/share/applications
cupsbackend=/usr/lib/cups/backend
cupsfilter=/usr/lib/cups/filter
drv=/usr/share/cups/drv/hp

# Following values are determined at configure time and cannot be changed.
[configure]
network-build=yes
pp-build=no
gui-build=yes
scanner-build=yes
fax-build=yes
dbus-build=yes
cups11-build=no
doc-build=yes
shadow-build=no
hpijs-install=no
foomatic-drv-install=no
foomatic-ppd-install=no
foomatic-rip-hplip-install=no
hpcups-install=yes
cups-drv-install=yes
cups-ppd-install=no
internal-tag=3.10.9.11
restricted-build=no
ui-toolkit=qt4
qt3=no
qt4=yes
policy-kit=no
hpijs-only-build=no
lite-build=no
udev-acl-rules=yes
hpcups-only-build=no
hpijs-only-build=no

Current contents of '/var/lib/hp/hplip.state' file:
[plugin]
eula = 1
installed = 1

Current contents of '~/.hplip/hplip.conf' file:
printer_name = HP_Color_LaserJet_1600
working_dir = /root/downloads/HP/hplip-3.10.2-plugin.run
device_uri = "hp:/usb/HP_Color_LaserJet_1600?serial=JV270R5"

[commands]
scan = /usr/bin/xsane -V %SANE_URI%

[installation]
version = 3.10.2rc1.9
date_time = 04/05/2010 08:34:50

[settings]
systray_messages = 0
systray_visible = 0

[fax]
email_address =
voice_phone =

[refresh]
rate = 30
enable = false
type = 1

[polling]
enable = false
device_list =
interval = 5

--------------------------
| DISCOVERED USB DEVICES |
--------------------------

Device URI                        Model
  --------------------------------  ----------------------
  hp:/usb/HP_Color_LaserJet_1600?s  HP Color LaserJet 1600
  erial=JV270R5

---------------------------------
| INSTALLED CUPS PRINTER QUEUES |
---------------------------------

HPcolor
-------
Type: Printer
Device URI: hp:/usb/HP_Color_LaserJet_1600?serial=JV270R5
PPD: /etc/cups/ppd/HPcolor.ppd
PPD Description: HP Color LaserJet 1600 hpijs, 3.10.2, requires proprietary
plugin
Printer status: printer HPcolor is idle.  enabled since Tue 04 Jan 2011
12:42:21 SAST    ready to print
Required plug-in status: Installed
Communication status: Good

----------------------
| SANE CONFIGURATION |
----------------------

'hpaio' in '/etc/sane.d/dll.conf'...
OK, found. SANE backend 'hpaio' is properly set up.

Checking output of 'scanimage -L'...
No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

---------------------
| PYTHON EXTENSIONS |
---------------------

Checking 'cupsext' CUPS extension...
OK, found.

Checking 'pcardext' Photocard extension...
OK, found.

Checking 'hpmudext' I/O extension...
OK, found.

Checking 'scanext' SANE scanning extension...
OK, found.

-----------------
| USB I/O SETUP |
-----------------

Checking for permissions of USB attached printers...

HP Device 0x3a17 at 001:006:
    Device URI: hp:/usb/HP_Color_LaserJet_1600?serial=JV270R5
    Device node: /dev/bus/usb/001/006
    Mode: 0664

---------------
| USER GROUPS |
---------------

root lp lpadmin

-----------
| SUMMARY |
-----------

No errors or warnings.

Done.

# usb-devices

Code:
<snip>
T:  Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  6 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=03f0 ProdID=3a17 Rev=01.00
S:  Manufacturer=Hewlett-Packard
S:  Product=HP Color LaserJet 1600
S:  SerialNumber=JV270R5
C:  #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=98mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=(none)
<snip>

# ll /dev/usb*

Code:
lrwxrwxrwx 1 root root      7 2011-01-04 14:44 /dev/usblp0 -> usb/lp0
crw-rw---- 1 root root 252, 0 2011-01-04 00:28 /dev/usbmon0
crw-rw---- 1 root root 252, 1 2011-01-04 00:28 /dev/usbmon1
crw-rw---- 1 root root 252, 2 2011-01-04 00:28 /dev/usbmon2
crw-rw---- 1 root root 252, 3 2011-01-04 00:28 /dev/usbmon3
crw-rw---- 1 root root 252, 4 2011-01-04 00:28 /dev/usbmon4
crw-rw---- 1 root root 252, 5 2011-01-04 00:28 /dev/usbmon5

/dev/usb:
total 0
drwxr-xr-x  2 root root     60 2011-01-04 14:44 ./
drwxr-xr-x 19 root root   3960 2011-01-04 14:44 ../
crw-rw----  1 root lp   180, 0 2011-01-04 14:44 lp0

# hp-testpage

Code:
warning: hp-testpage should not be run as root/superuser.

HP Linux Imaging and Printing System (ver. 3.10.9)
Testpage Print Utility ver. 6.0

Copyright (c) 2001-9 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.

Using printer: HPcolor

warning: No display found.
error: hp-testpage -u/--gui requires Qt4 GUI support. Entering interactive
mode.
warning: No status available for device.
Printing test page to printer HPcolor...
Test page has been sent to printer.

note: If an error occured, or the test page failed to print, refer to the
HPLIP website
note: at: http://hplip.sourceforge.net for troubleshooting and support.

As the # indicates it is all run as root user.
Thanks in advance
Let me know if you need anything else.

Cheers
Dave
082 888 1734

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