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- HP Community
- Printers
- Printing Errors or Lights & Stuck Print Jobs
- Re: Error message "Inkjet4.driver" will damage your computer

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Check some of the most frequent questions about Instant Ink: HP INSTANT INK, HP+ PLANS: INK AND TONER.
Check out our Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues.
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10-25-2020 01:05 PM
Glad you got your printers to work, guys. It seems that HP pulled printer certificates from Apple on Friday, and then overnight reversed this action. So I am not sure that my solution was legitimate, maybe it was just a fluke that it seemed to work, lol. See the article below.
Cheers!
10-28-2020 05:14 PM
Yes, this is the solution I needed. Nothing worked after following all of your recommended steps until I deleted all of the old printer preferences in my MAC’s 'system preferences' and reset the Envy 7800 as my default printer.
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