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Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
7.5.4.5 Other questionnaires
Other probable questionnaires are described below.
7.5.4.5.1 Time required for creation of Certificate
It takes several ten seconds for creation of Certificate.
7.5.4.5.2 Communication time when the encryption function is enabled
A time longer than the ordinary communication time is required for communication when
the encryption function is used.
7.5.4.5.3 Can the encrypted printing be performed by any printer other
than IPP?
Answer : Any printer other than IPP cannot encrypt printing.
Only the IPP printing can encrypt printing.
7.5.4.5.4 What will happen if SSL/TLS is turned OFF after Certificate
has been created (or installed)?
Answer : Certificate will be kept saved as it is.
If SSL/TLS is turned ON again, the Certificate becomes usable.
7.5.4.5.5 Want to change the port number
Answer : The port number during the SSL/TLS communication is fixed to 443.
It cannot be changed.
7.5.4.5.6 The error message "The security certificate was issued by a
company you have not chosen to trust. View the certificate to
determine whether you want to trust the certifying authority" is
displayed.
If this error is indicated, it means that the certificate which is installed in a printer is self-
sign certificate.
In the case of self-sign certificate, error (security warning) will not be displayed if the self-
sign certificate of printer is installed in the client PC.
In the case of certificate of certifying authority, error (security warning) will not be
displayed if the CA certificate of certifying authority is installed in the client PC.
Solution : Install certificate in the client PC (browser).
[Procedure]
1. Clic
k the "View Cer
tificate" button on the error (security warning) screen.
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