Encrypted TLS Data Communication Problems and Remedies

This section describes how to resolve encrypted TLS data communication problems.

You cannot use encrypted TLS communication for IPP printing, e-mail/I-fax, the Remote UI, MEAP functions via a Web browser, and device information delivery, or confirm Department IDs and PINs even after you have turned TLS on.

Cause 1

The generated key pair or server certificate is corrupted.

Remedy

After erasing the key pair you are using, generate a key pair and server certificate.

NOTE
For instructions on how to confirm whether the key pair you are using is corrupted, see "Editing Key Pairs and Server Certificates."

Cause 2

The preinstalled default key pair or server certificate is corrupted.

Remedy

After erasing the key pair you are using, generate a key pair and server certificate.

NOTE
For instructions on how to confirm whether the key pair you are using is corrupted, see "Editing Key Pairs and Server Certificates."

Cause 3

The registered key pair file or server certificate file is corrupted.

Remedy

After erasing the key pair you are using, install the key pair file and server certificate file created on your computer using the Remote UI. (See "Installing a Key Pair File and Server Certificate.") Then, register the installed files on the control panel of the machine.

NOTE
For instructions on how to confirm whether the key pair you are using is corrupted, see "Editing Key Pairs and Server Certificates."