Question about HP LaserJet 4240n Card Printer

1 Answer

My HP LasertJet 4240n will not do anything or allow anything. Its control panel says: Downld file now RFU LOAD ERROR RESEND RFU OVER PARALLEL PORT If I hold the Checkmark button when it's starting up I can get it to give me some menu items, like "Select Language", no matter which I pick it goes to the RFU error message. I can't ping it at the IP I specified for it (long ago) and I can't FTP to it. So, how do I clear the RFU error message so I can fix it? How do I get it back to having a good firmware?

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  • Eli Doran Mar 22, 2011

    Thank you for the starting tip. :)

    I can read the message and understand what it is saying.

    I have the firmware ready to install.

    I know how to FTP to it and push the firmware file.

    However, now that this message is showing, the printer does *not* respond via the network. I can *not* ping it at the IP it has had for the last few years. I can *not* access its webadmin page via HTTP.

    When I start it and hold the Checkmark button it will give me some menu options, and no matter what I select, it goes to the RFU error.

    I found some instructions to clear the RFU error message so it will start responding and allow the firmware install. However, they don't work. It said to hold Stop while it was starting up. That did nothing for me. Holding Checkmark does bring some menus, but, now the ones with "Clear RFU Error".

    So, the installation instructions do not address the issue I am having. No where does it say "If you currently see a RFU error message on the control panel, then do this....", Or, "If printer is no longer responding to FTP, HTTP... then do this ..."


  • Eli Doran Mar 22, 2011

    This was the solution.
    I had to get 3 computers to get it to work because my first one did not have a parallel port, the second didn't work, fortunately I tried a third and it worked fine.
    * installed driver on machine
    * added printer
    * did the copy command to put the file onto the printer
    * it did its thing and I was all set.

    Thank you very much

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  • HP Master
  • 19,396 Answers

Hi.

Download and reinstall the firmware. That is what the printer is asking for.

First download the firmware here: Firmware. The link is the standard firmware download for 42xx up to 4350, USA version. It covers the 4240n.

For installation follow thoroughly the instructions on this page.

Regards.

Ginko.

Posted on Mar 22, 2011

  • Ginko
    Ginko Mar 22, 2011

    Hi.

    When you get the error message you need to update using parallel port, as explained here:
    Remote firmware update through a local Windows port.

    Get a parallel cable.
    Download and install printer drivers if needed (install as local printer).
    Do the upgrade using LPT1 connection.

    If the computer does not have parallel port, find an older computer, or get an adapter like the ones in this page.

    Regards.

    Ginko.

  • Ginko
    Ginko Mar 22, 2011

    Hi.

    Good to know it's done!

    All the best.

    Ginko

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