Incompatible components Photosmart 7520

I was having network problems with my Photosmart 7520 - if I didn't turn off the printer after I used it, after a while my wifi no longer responded.  I tried to get around the problem by plugging the printer into one of the USB ports on my Mac and then the HP utility showed 2 printers .  However, now I can't print at all - I get a message "Incompatible Components - Some components installed on your computer were developed for another version of HP Utility. These components will not be loaded and some functionality related to your device will not be accessible. Please click HP Support item on the toolbar to visit HP Online Support site and download the latest versions of HP software." The online support website did not indicate any way to modify the HP utility software.  So I went to the user forum where I noticed a post for another printer with the same Incompatible Components message that recommended resetting the print system and provided steps to do this.  I removed both printers and then added back the one connected via the USB port (when I go to system preferences/printer it shows up as HP Photosmart 7520 series.)  But I can't print - the progress bar for the document I try to print starts up (ie there is a short blue segment) and then just hangs there.  I also tried the scan function and got a "no computer connected" message.  How do I solve the problem?  Thanks.

When all else fails, read the users manual.  It says that if you can't print, execute the HP Uninstaller and reinstall the software.  Did that - problem seems to be solved - I can print.  The only open question is whether the reinstall uses the USB connection (it seems to) or the wifi which was causing the problem.   For the moment I am hopeful. 

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    Cheers,  
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    Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
    W a t e r b o y 71
    I work on behalf of HP

  • "Incompatible components" message after reinstallation

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    View Solution.

    What version of Mac OS do you have?  I will move this post to the Mac Printing forum for better coverage.
    Bob Headrick,  HP Expert
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  • Hp photosmart 7520 364 to x64

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    R a i n b o w 7000I work on behalf of HP
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    “Thanks” for helping!
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  • I have an HP PHOTOSMART 7520 e-ALL-IN-ONE SERIES printer purchased approx. 5 months ago.

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    This question was solved.
    View Solution.

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    RnRMusicMan
    I work on behalf of HP
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    Hey @jimlg ,
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    The Great Deku Tree
    I work on behalf of HP.

  • Can't scan to PDF file on HP Photosmart 7520 printer

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    Hi @healthdesigner,
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    RnRMusicMan
    I work on behalf of HP
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  • How do I get the "non HP Ink Cartridge" pop up to go away??? HP Photosmart 7520

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  • Hp Photosmart 7520 e-all-in-o​ne-series (wireless)

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    ==================================================​=========================
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    Although I strive to reflect HP's best practices, I do not work for HP. 
    Click Accept as Solution when the Answer is a good Fix or Workaround!
    Kind Regards,
    Dragon-Fur

  • HP Photosmart 7520 e-All-in-O​ne Printer e-mail extension

    What is the e-mail extension to print via e-mail to the HP Photosmart 7520 e-All-in-One Printer?

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    If my post resolve your problem please mark it as an Accepted Solution

  • HP Photosmart 7520 e-All-in-O​ne Printer when trying to photocopy says incorrect paper size

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    R a i n b o w 7000I work on behalf of HP
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    “Thanks” for helping!
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