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Common problems for INSTANT INK, HP+ PLANS: INK AND TONER
We would like to share some of the most frequently asked questions about Instant Ink. Check out this link: HP INSTANT INK, HP+ PLANS: INK AND TONER. .
Jablomeplez_
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HP Photosmart C4780 doesn't work with Mac OS Big Sur update.

HP Recommended
HP Photosmart C4780
macOS 11.0 Big Sur

After installing an update to my Mac the printer wouldn't work,  can't find an "easy start" like I read about but I do have an HP

Uninstaller but when I tried to open it I got the message; 

“HP Uninstaller” needs to be updated."

"The developer of this app needs to update it to work with this version of macOS. Contact the developer for more information."

I can't contact the developer because HP don't want to talk to anybody with an expired warranty.  This printer acted the like this after the first update, allowed me to scan once and not again.  This time it allowed me to print once and not again.  I hate to trash a working printer especially after I just put new ink in it.  With HP's snobbish ways I don't think I could buy another HP so I'd really like to get this one at least printing.  Thanks for any help.

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Kumar0307
HP Support Agent
HP Support Agent
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@Jablomeplez_, Welcome to the HP Support Community!

 

This printer is not AirPrint compatible and has no printer driver available on the HP Support site to work on macOS 11

This printer does not support the HP Smart app too.

 

For more info on this issue, refer to this document. 

 

However, Gutenprint (formerly called Gimp-Print) provides open-source basic print drivers for many printers that would otherwise not be supported in Mac OS X. To see if your printer is supported, go to Gutenprint drivers for more information.

 

NOTE: Gutenprint drivers are not supported by HP or Apple.

 

Hope this helps! Keep me posted. 

 

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

Have a great day! 

KUMAR0307
I am an HP Employee

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