Chapter 5 Operations — Web control function
ENGLISH - 177
f Generation of the CRT key may take up to approximately two minutes.
f When the CRT key is updated, apply for the server certicate or generate the self-signed certicate again using that CRT key. A certicate
linked to the CRT key is required.
f Previously generated CRT key information is saved even if the CRT key is updated. To return to the previous CRT key, refer to “Cancelling
the update of the CRT key” (x page 177).
Cancelling the update of the CRT key
It is possible to return to the previously generated CRT key only once even if the CRT key is updated.
1) Click [Https set up] → [CRT Key generate] → [Execute].
f The page to generate the CRT key is displayed.
2) Click [History].
f Following contents are displayed.
3) Confirm [RSA key size] and [Last modified] of the CRT key to restore.
4) Click [Apply].
f Following conrmation message is displayed.
“The previous CRT key will be loaded. Please generate Self-signed Certicate or install the Server
Certicate corresponds to the CRT key. Continue?”
5) Click [OK].
f Previously generated CRT key is reected as the current CRT key.
Note
f When returned to the previously generated CRT key, a certicate linked to that CRT key is required.