Encryption credentials expired

I’ve got an iMac running Ventura. I also have an Epson 4630 printer which I’ve been using for many years. Today I can no longer print. Printer states Encryption Credentials Expired. I’ve removed the printer and re added it as an AirPrint but it hasn’t fixed it. Any ideas how to fix this?

iMac 24″, macOS 13.0

Posted on Dec 31, 2022 5:32 PM

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Hopefully this works for you, it worked for me. Go to Apple: "system preferences" go to "printer and Scanners" Then left click on your printer and "reset printing system". Then click the + a the bottom to add your printer again. Add the printer by right clicking on the top one "Epson WF-4630 Series Bonjour Multifunction" on the bottom for Use: select "AirPrint" then to the bottom select "Add". Then it should work.

Posted on Jan 4, 2023 2:01 PM

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36 replies

Jan 18, 2023 2:30 PM in response to Joolz56

One of my clients has this issue with a Mac running Monterey (since updated to Ventura) Ive created the new certificate and removed and added the Epson printer. No option to choose AirPrint and it is still the same. Ive read that this is an issue with Mac's new strict security on these apple pages but the solution was not there. Ive checked the self signed certificate and it's definitely valid until Jan 2033. Can anyone offer any other solution than create certificate and reset printing system please

Thanks Lee

Feb 7, 2023 7:33 AM in response to teririg

I was able to fix mine by updating the self-signed certificate. I did this by entering the printer's IP address into a new browser window. Once on the printer webpage, I opened the network security settings page then clicked the certificate link. I then clicked UPDATE on the self-signed certificate option. Once the certificate was updated, my printer now works as expected. I am not a techie, so hope this makes sense. Thanks again to user cl8rqtpi for guidance.

Encryption credentials expired

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