How to Fix 'Encryption Credentials Expired” When Printing on Apple Mac
Have you ever encountered the "Printer encryption credentials have expired" error message on your Apple Mac computer when trying to print a document? Don't worry! In this tutorial, I will share how to fix expired printer encryption credentials on Apple computers. Let’s get started without further ado.
Have you ever encountered a "Printer encryption credentials have expired" error message on your Mac when trying to print a document? Don't worry! In this tutorial, I will share how to fix expired printer encryption credentials on Mac. Let’s get started without further ado.
What does it mean if printer encryption credentials have expired on Mac? How to Fix Expired Printer Encryption Credentials on Mac Additional Tips and PrecautionsWhat does it mean if printer encryption credentials have expired on Mac?
Printer encrypted credentials on Mac are a security measure to protect printers from unauthorized access. When a user attempts to print a document or file, the printer generates a temporary verification code that is sent with the document to ensure that only authorized users have access to the printer.
The error message "The encryption certificate has expired" means that the printer's authentication certificate must be updated. After any macOS beta update, your system may no longer trust previous encryption credentials and declare them expired. Fortunately, there are several ways to resolve printer encryption credentials issues.
How to Fix Expired Printer Encryption Credentials on Mac
When adding a printer to a Mac, the administrator must specify which users or groups can access it. However, if a glitch occurs that prevents the system from functioning properly, you have the following options.
Update macOS or printer driver
Click the Apple logo () → System Settings.
Navigate to "General" and select "Software Update". If there are any pending macOS or driver updates, click Update Now. 
Updates rolled out by Apple usually include fixes for common bugs and bugs, so there's a good chance your issue will be corrected from the core.
Remove and reinstall the printer
If the problem persists, you need to change the internal printer settings. First, remove the paired printer from your device. After that, reinstall the printer using the AirPrint driver to resolve the problematic driver on your Mac.
Click the Apple logo () → System Settings. Click Printers & Scanners in the left pane → select the printer you want to delete. Click Remove Printer. Click Remove Printer when prompted. Now, press CMD Space simultaneously to summon Spotlight Search./Library/Printers/ Enter in the search bar. Right-click on the existing printer folder → click Move to Carton. Right-click the Bin in the Dock → click Clear Bin. Restart your Mac, unplug the printer, wait 30 seconds, plug it back in, and let it settle. Now, let’s make the necessary changes and re-pair the printer to resolve the encryption credentials issue on Mac.
Go to Printers and Scanners Settings → Click Add Printer. Select your printer from the list. Switch to the IP menu → Select the protocol drop-down list. Select AirPrint.If you can't connect to your printer via AirPrint, follow our detailed guide for further help. Enter the name of the printer and its IP address → Select "Add".
For users of older printers or those who previously set up the printer via AirPrint but are still facing issues with expired printer encryption credentials, please reinstall the printer using the LPD (Line Printer Daemon) protocol.
To do this, remove the printer and follow the steps above to reinstall the printer. Select the line printer daemon protocol.
Reset printer network settings
You can reset the printer's network settings to their default state by deleting all network configuration and printer settings. The instructions may vary depending on the type of printer you are using.
Turn off and unplug the router. Restart the printer. Click the Settings button on the printer control panel. Go to Network Settings and click Restore Network Settings on Mac. Turn off the printer immediately and restart the router after 30 seconds. When the router is activated, turn on the printer after connecting to the network. Start the Wireless Setup Wizard.Contact Printer Manufacturer Support
If none of the above solutions resolve your issue, you will need to contact the printer manufacturer's customer support team. They will help you generate a new self-signed encryption certificate or provide other troubleshooting advice. Follow all their instructions carefully to avoid further complications.
Additional Tips and Precautions
Dealing with expired printer encryption credentials on Mac can be tricky. While there is no universal fix, let us give you some tips for clearing such errors.
Before doing anything too complicated, perform a simple restart on your Mac. This step will refresh your encryption credentials and may resolve the issue. Make sure to update your printer and Mac software when new versions are released. This helps your encryption credentials stay up to date. Avoid using public Wi-Fi networks for printing as they can be unstable and cause potential problems. Remember to protect your Mac system with a strong and unique password.FAQ
How to tell if the printer encryption credentials on Mac have expired?
Specific alerts may not be raised on Mac for expired printer encryption credentials. However, if you encounter printing problems, such as the printer not responding or failing to print, you must take the necessary steps to resolve the issue.
Do printer encryption credentials expire at different times for different printers on my Mac?
Yes, printer encryption credentials for printers connected to your Mac may expire at different times. Each printer establishes a secure connection to your Mac and may have encrypted credentials.
How often do printer encryption credentials expire on Mac?
The expiration time for printer encryption credentials may vary depending on the printer model and its security settings.
The above is the detailed content of How to Fix 'Encryption Credentials Expired” When Printing on Apple Mac. For more information, please follow other related articles on the PHP Chinese website!
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