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Thread: Parallel printer with 10.04

  1. #11
    Join Date
    Sep 2007
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    Yakima, WA
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    102
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    It looks like parport is running:

    parport 32635 2 ppdev,lp
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  2. #12
    Join Date
    Sep 2007
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    Back at my home office, I have a newer PC running 9.10 (10.04 now, since 5/14). Add Printer shows lpt #1 and all the serial ports. /dev/lp0 is present.

    Is the bios on my old PC too old so Ubuntu > 8.04 can't detect parallel ports properly? I see a warning about the bios too old scroll by at startup.
    Last edited by PaulHuffman; May 17th, 2010 at 07:01 PM.
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  3. #13
    Join Date
    Apr 2010
    Location
    Lexington, KY
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    4
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    I too, have parport running.
    Code:
    chui@matrix:~$ lsmod|grep parport
    parport_pc             25962  1 
    parport                32635  3 ppdev,parport_pc,lp
    I was able to add it just fine under 9.10, so for me it's something that has changed since that release. I don't have 9.10 installed anymore as I did a clean install of 10.04 RC.

    I'm running it on a Thinkpad T42. It's the only computer I have around that still has a parallel port, unfortunately. I do see it when i sudo, though :
    Code:
    chui@matrix:~$ sudo ls -l /dev/lp*
    crw-rw---- 1 root lp 6, 0 2010-04-26 01:01 /dev/lp0

  4. #14
    Join Date
    Feb 2007
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    286
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Parallel printer with 10.04

    If parport and parport_pc are running, I can't be of any more help because I don't have a clue why you don't see /dev/lp0. I just upgraded my computer to a new motherboard and I now no longer have a parallel port, and this is the only machine I have that is running 10.04 so I can't experiment and see if I can figure it out. I hope someone more knowledgeable jumps in.
    Floyd
    Ault, CO, USA
    Registered Linux User 436727
    Registered Ubuntu User # 13092

  5. #15
    Join Date
    Sep 2007
    Location
    Yakima, WA
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    102
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    At my home office, I tried booting my newer PC on a 10.04 iso CD just now, and lp0 was there. Didn't need to sudo to list it. And Printers>New showed LPT #1.

    Must be that my old PC is just too old to run unbuntu > 8.04. I got it back in late 99 right after my house fire. I tried to install XP on it and it ran too slow for XP. Ubuntu gave it new life and extended its usefulness. I can easily roll back to 8.04 on that old girl and be able to print again. What added features will I miss between 8.04 and 10.04?

    Is there a linux way to get a report on what bios this old girl is running? biosdecode?
    Last edited by PaulHuffman; April 29th, 2010 at 12:37 AM.
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  6. #16
    Join Date
    Mar 2007
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    334

    Re: Parallel printer with 10.04

    Quote Originally Posted by PaulHuffman View Post
    I like the way 10.04 lts is running on my old PC, except I can't seem to install my HP 895C. This printer worked on previous releases on Ubuntu. The printer is local and cabled to the PC's parallel port. But "Add" under printing doesn't show any parallel printers under local printers. Only shows serial port, other, and network printers. Is this because 10.04 is beta? "Troubleshooting printers" doesn't have a list of printers, and wasn't much help. Is the lpt1 in PC speak /dev/lp0 in Linux? Should that be the printer URI?
    I've had similar issues ... with printers vanishing. Try this:

    0) un-plug **vanished** printer from computer
    1) turn off both computer and printer.
    2) re-plug printer. turn on printer
    3) turn on & boot computer

    4) ,,, mebby the printer now re.appears when you reference the printer config dialog. Or mebby it just automagically appears & works .

  7. #17
    Join Date
    Sep 2007
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    Yakima, WA
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    102
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    Nss0000 - Sounds like a long shot since I don't know how a system restart will make /dev/lpt0 reappear, but I'll give it a try next time I'm in that office.
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  8. #18
    Join Date
    Sep 2007
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    Yeah, Ns000, that didn't work. Any other ideas? I'm rolling back to 8.04.
    Last edited by PaulHuffman; May 17th, 2010 at 06:46 PM.
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  9. #19
    Join Date
    Sep 2007
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    Clutch the pearls! >>There's a bug reported on this https://bugs.edge.launchpad.net/ubun...ux/+bug/369850

    I'll have to try the fix next time I'm at the location.
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  10. #20
    Join Date
    Sep 2007
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    Ubuntu 10.04 Lucid Lynx

    Re: Parallel printer with 10.04

    The fix worked.

    First I reinstalled 10.04.

    Just type in sudo modrobe parport_pc

    Then Add printer showed not only the parallel port but found my HP 985C. Installed the driver, and started printing test pages.

    Not sure yet if adding the modprobe line to /etc/modules makes the printer work after reboot.
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