❏ Initializing the settings
If the settings and communication status show no problem, the problems may be solved by disabling or
initializing the network settings of the printer, and then setting up again.
Cannot Access Web
Cong
The IP address is not assigned to the printer.
A valid IP address may not be assigned to the printer. Congure the IP address using the printer’s
control panel. You can conrm the current setting information with a network status sheet or from
the printer’s control panel.
Web browser does not support the Encryption Strength for SSL/TLS.
SSL/TLS has the Encryption Strength. You can open Web Cong by using a web browser that
supports bulk encryptions as indicated below. Check you are using the a supported browser.
❏ 80bit: AES256/AES128/3DES
❏ 112bit: AES256/AES128/3DES
❏ 128bit: AES256/AES128
❏ 192bit: AES256
❏ 256bit: AES256
CA-signed Certicate is expired.
If there is a problem with the expiration date of the certicate, "e certicate has expired" is
displayed when connecting to Web
Cong
with SSL/TLS communication (https). If the message
appears before its expiration date, make sure that the printer's date is congured correctly.
The common name of the certicate and the printer do not match.
If the common name of the certicate and the printer do not match, the message "e name of the
security certicate does not match···" is displayed when accessing Web Cong using SSL/TLS
communication (https). is happens because the following IP addresses do not match.
❏ e printer's IP address entered to common name for creating a Self-signed Certicate or CSR
❏ IP address entered to web browser when running Web Cong
For Self-signed Certicate, update the certicate.
For CA-signed
Certicate
, take the
certicate
again for the printer.
The proxy server setting of local address is not set to web browser.
When the printer is set to use a proxy server, congure the web browser not to connect to the local
address via the proxy server.
❏ Windows:
Select Control Panel > Network and Internet > Internet Options > Connections > LAN settings
> Proxy server, and then congure not to use the proxy server for LAN (local addresses).
Administrator Information
>
Settings to Use the Printer
>
Problems when Making Settings
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