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Hi. I've got a HP LaserJet 3030 Printer/Scanner/FAX/Copier My computer is running a debian woody with Kernel 2.4.26 i386 SMP Formerly, I used module printer.o and hpoj-printer driver classes (ptal-mlc ...
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  1. #1
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    Nuremberg/Germany
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    printing with CUPS and libusb, spooler hangs


    Hi.

    I've got a HP LaserJet 3030 Printer/Scanner/FAX/Copier
    My computer is running a debian woody with Kernel 2.4.26 i386 SMP
    Formerly, I used module printer.o and hpoj-printer driver classes (ptal-mlc for USB).
    All worked (NEARLY) perfect.
    But occasionally the system crashed while printing.

    I found out (as mentioned on the hpoj website), that esp.
    my combination (Kernel 2.4, SMP, module printer.o and USB-printing)
    seems to crash sometimes.

    O.K. - I unloaded the module printer.o as mentioned on hpoj-website
    and I'm now using libusb 0.1-4.

    The system does not hang, but the printing spooler does occasionally
    after some pages of printing or sometimes does not start printing at all.
    I see the printing tasks and can remove them but they sometimes don't print.

    /var/log/messages and /var/log/syslog as well as some logs in /var/log/cups say nothing about libusb, ptal printer drivers or a hanging spooler.

    Seems like an andless spooling loop...

    Where can I search?

    Thank you,
    WalGrom


    P.D.:
    same problem on debian sarge, Kernel 2.6.8 i386 SMP, libusb 0.1-4.


    [EDIT: O.K. I see on hpoj.sourceforge.net:
    recent news, 18-april-2005: use HPLIP instead of HPOJ for USB-connected
    devices....

    I'll try.....and report.]

  2. #2
    Just Joined!
    Join Date
    Mar 2005
    Location
    Nuremberg/Germany
    Posts
    22
    SOLUTION:
    - works fine with kernel 2.4 or 2.6 (even with SMP)
    - use hpoj.sourceforge.net driver (ptal...)
    - do not load printer.o resp. usblp.o
    - use libusb instead
    - install an appropriate PPD-File (from linuxprinting.org) for the printer
    - reinstall CUPS-printers (using localhost:631/admin webinterface)


    The problem was not the driver architecture (HPOJ vs. HPLIP)
    but the missing PPD-File.

    ...WORKS fine and reliable now - if anyone is interested...

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