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HPLIP stopped recognizing my LaserJet 2100
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Tux's lil' helper
Tux's lil' helper

Joined: 16 Nov 2008
Posts: 134
Location: near Lebkoungcity (='Gingerbreadcity' =Nuremberg)

PostPosted: Sat Aug 09, 2014 10:49 am    Post subject: HPLIP stopped recognizing my LaserJet 2100 Reply with quote

Hey everyone out there :wink:

Could anyone tell me why HPLIP stopped to recognize my printer?

Since almost eight years I have a HP LaserJet 2100 connected to my "big" box via some good old-fashioned parallel-port-cable and since then I use HPLIP to make it print. And most of the time it worked like a charm. OK, sometimes after a HPLIP-update the printer stopped to work so I had to remove it from HPLIP and run hp-setup to get it back to work. That was a little bit frustrating but I knew which steps I had to take.

That was always fine - until now: The last time I used the printer was mid-July and I printed flawlessly some hundred pages. But a few days ago when I had to print something the printer didn't react. So I took the steps I knew: I removed the printer from HPLIP with 'hp-setup -r' and wanted to set it up again (I wasn't sure if there had been an update to HPLIP.). But now hp-setup didn't even find the printer. So I tried it with the cups-frontend on http://localhost:631 also with no success. I found out that the module "lp" wasn't loaded and after adding it to /etc/conf.d/modules the printer showed up on cups but not within hp-setup. Trying the address "hp:/par/HP_LaserJet_2100_Series?device=/dev/parport0" in cups gives me a entry in the hp-toolbox and in cups but the printer doesn't print - it just aborts the job. Doing the same with the line "parallel:/dev/lp0" results in a working printer when I choose "HP LaserJet 2100, hpcups 3.14.1 (en)" or "HP LaserJet 2200 pcl3, hpcups 3.14.1 (en)" from the list (btw: I don't see any difference between the both...) just the margins on the page aren't correct. OK I could try to modify the ppd-file to correct it.

But the big question is: Why did this happen? Why does HPLIP/hp-setup not work anymore?

Some info about the system:

emerge -pv cups hplip

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R    ] net-print/cups-1.7.3  USE="X acl dbus java pam ssl threads usb -debug -gnutls -kerberos -lprng-compat -python (-selinux) -static-libs -systemd -xinetd -zeroconf" ABI_X86="(64) (-32) (-x32)" LINGUAS="-ca -es -fr -it -ja -pt_BR -ru" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" 0 kB
[ebuild   R    ] net-print/hplip-3.14.1  USE="X hpcups kde libnotify parport (policykit) qt4 scanner snmp -doc -fax -hpijs -libusb0 -minimal -static-ppds" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" 0 kB

dmesg | grep -i -e 'parport' -e ppdev -e lp0 -e LaserJet -e '[Ii][Rr][Qq] *7'
[    6.523493] parport_pc 00:09: reported by Plug and Play ACPI
[    6.523559] parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,COMPAT,ECP,DMA]
[    6.550281] parport0: Printer, Hewlett-Packard HP LaserJet 2100 Series
[    6.679033] ppdev: user-space parallel port driver

Module                  Size  Used by
lp                      8066  0
ppdev                   5327  0
parport_pc             27332  1
parport                26722  3 lp,ppdev,parport_pc

    - net-print/hplip-3.14.1 worked since Wed Jan 29 00:14:32 2014
    - kernel-update from 3.12.21-gentoo-r1 to 3.14.14-gentoo but it does not make any difference which one I boot
    - put "lp" into /etc/conf.d/modules 'cause it wasn't autoloaded anymore
    - compiled the modules belonging to the parallel-port into the kernel (not as modules) - makes no difference
    - synced the portage-tree and run "emerge -auvDN world" to update the system - no difference
    - run "etc-update" and "revdep-rebuild" several times (just in case...) - no difference
    - run "perl-cleaner --reallyall" and "python-updater" (which found some packages an re-emerged them) - no difference
    - emerged net-print/hplip-3.14.6 - no difference
    - experimented with different addresses e.g. "hp:/par/HP_LaserJet_2100_Series?device=/dev/parport0" (which was used until it stopped working) and "parallel:/dev/lp0" (which activates the printer from within cups - with incorrect margins - but not in the hp-toolbox since it doesn't start with "hp:/")


OK, I've done a complete emerge -e just in case - but no effect (except that media-gfx/digikam-3.5.0 fails to compile...).
"The most dangerous world view is the world view of the ones who haven't viewed the world."
Alexander von Humboldt (1769-1859)
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