Brother HL-4050CDN Network User's Manual page 156

How to export the certificate and private key
a
Click Export Certificate and Private Key on the Configure Certificate page.
b
Enter the password if you want to encrypt the file.
Note
If a blank password is used, the output is not encrypted.
c
Enter the password again for confirmation, and then click Submit.
d
Specify the location where you want to save the file.
e
Now the certificate and private key are exported to your computer.
Note
You can import the file that you exported.
Security features
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