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  1. #1


    Member Since
    Dec 12, 2005
    Posts
    68
    error 50 prevents printer installation
    Error message: "an error has occurred while trying to add the selected printer. Error:- 50."

    I am unable to add my printer (HP Laserjet 1320) to my computer (Mac 10.4.10) even with the latest driver for this printer (5522.dmg).

    Here is the pathway that causes the error message:

    printer browser - protocol - line printer daemon (LPT) - print using HP (HP Laserjet 1320 series) = error 50 message.

    I've tried the following things to fix the problem without success:

    - resetting the printer system (applications - utilities - printer setup utility - reset printing system)

    - uninstalling the printer software by deleting it from the applications folder, then putting it back in applications by downloading the latest copy from the hp driver page

    - unplugging then plugging the printer back in

    Thanks for any tips on solving the error 50 error message when installing a printer on the Mac operating system.

  2. #2

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,872
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Are you connecting to that printer via a JetDirect (network) connection?
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  3. #3


    Member Since
    Dec 12, 2005
    Posts
    68
    Quote Originally Posted by cwa107 View Post
    Are you connecting to that printer via a JetDirect (network) connection?
    No, there is no network involved. Just one computer and one printer.

  4. #4

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,872
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by schwine View Post
    No, there is no network involved. Just one computer and one printer.
    OK, just checking - we have a number of LJ1320s at work, but they're all networked. They are not particularly picky about drivers usually (I can usually get away with a LJ 4+ driver over the network). I'm surprised it wasn't plug and play for you.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  5. #5


    Member Since
    Dec 12, 2005
    Posts
    68
    The problem is centered around the Error 50 message. This error is blocking my ability to install and run the printer.

    Someone else on another forum had this problem, and the user seems to have partially solved the problem. I've pasted it below.

    I am particularly interested in this note from the posting: "Rebuild your list by toggling print sharing in System Preferences sheet."

    I've checked out "system preferences" but I can't find a print sharing window or menu.
    But as mentioned I have reset my printing system.

    Here is that posting:

    Error 50 while trying to add any printer

    Here's it is verbatim: "An error occurred while trying to add the selected printer Error:-50"

    Yes.., I've monkeyed with the files suggested by HP, et. al. Things are greyed out when using Printer Setup Utility that weren't before.

    update--> My printers.conf and classes.conf are missing, message: "no such file." They weren't even in the cups directory as expected. I guess I either have to reinstall CUPS, or clear out the printer system manually in root? Anyone?

    update--> These two files are erased by Printer Reset. They are generated by cupsd. You can either use previous copies to restore your printer lists, or in my case reinstall cups. "Rebuild your list by toggling print sharing in System Preferences sheet." I can now add other printers, but still get error -50 I believe due to: "bad line from USB" from my HP printer.

    What is causing this bad line?

    I [27/Aug/2007:21:01:40 -0500] System woke from sleep
    E [27/Aug/2007:21:11:59 -0500] get_printer_attrs: resource name '/printers/øˇÓ' no good!
    E [27/Aug/2007:21:11:59 -0500] get_printer_attrs: resource name '/printers/øˇÏ' no good!
    E [27/Aug/2007:21:14:51 -0500] LoadDevices: Bad line from "usb": direct usb://hp/hp?serial=MY52SG "hp"

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