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- HP Community
- Printers
- Printer Setup, Software & Drivers
- Error 45.00.3C

Create an account on the HP Community to personalize your profile and ask a question
03-25-2024 07:56 PM
Dear HP community,
We need your help with a technical support case. We're experiencing authentication issues on X57945dn and E87760 devices, configured with OPA, despite installing the suggested firmware. Meanwhile, the E62665 device worked fine with IPA. Any suggestions to address this issue?
Thank you for your assistance.
Solved! Go to Solution.
Accepted Solutions
03-25-2024 08:31 PM
Are you using a self signed certificate generated by the printer? If yes, generate a new one. Otherwise please post more details. Also ensure that all firmwares are 5.7.1.1 revision.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.
03-25-2024 08:31 PM
Are you using a self signed certificate generated by the printer? If yes, generate a new one. Otherwise please post more details. Also ensure that all firmwares are 5.7.1.1 revision.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.