How do I fix it in general? I had a difficult time connecting my MacBook Air to the Pantum 2500W printer. However, when I click to print, it wouldn't let me as it states "Encryption Credential Expired". How do I fix it? Please give me detailed steps.
Use Air Print.
https://support.apple.com/guide/mac-help/print-wirelessly-mac-airprint-printer-mchl3c1a7aef/mac
Choose "AirPrint" instead of "Secure AirPrint"
Remove and add printer again.
https://support.apple.com/guide/mac-help/solve-printing-problems-on-mac-mh14002/11.0/mac/11.0
Use Air Print.
https://support.apple.com/guide/mac-help/print-wirelessly-mac-airprint-printer-mchl3c1a7aef/mac
Choose "AirPrint" instead of "Secure AirPrint"
Remove and add printer again.
https://support.apple.com/guide/mac-help/solve-printing-problems-on-mac-mh14002/11.0/mac/11.0
Pantum Printer 'Encryption Credentials Expired'
