Operation Manual

Trouble Case

Cannot Access Web Cong

The IP address is not assigned to the printer.

A valid IP address may not be assigned to the printer. Congure the IP address using the printer’s control panel.

You can conrm 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. Web Cong can be opened by the web browser that supports the bulk

encryptions as follows. Check your browser's encryption support.

❏ 80bit: AES256/AES128/3DES

❏ 112bit: AES256/AES128/3DES

❏ 128bit: AES256/AES128

❏ 192bit: AES256

❏ 256bit: AES256

CA-signed Certicate is expired.

If there is a problem with the expiration date of the

certicate,

"e

certicate

has expired" is displayed when

connecting to Web Cong with SSL/TLS communication (https). If the message appears before its expiration date,

make sure that the printer's date is congured correctly.

The common name of the

certicate

and the printer do not match.

If the common name of the certicate and the printer do not match, the message "e name of the security

certicate does not match···" is displayed when accessing Web Cong 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 Certicate or CSR

❏ IP address entered to web browser when running Web Cong

For Self-signed Certicate, change the printer name. e certicate is updated and the printer can be connected.

For CA-signed Certicate, take the certicate 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, congure the web browser not to connect to the local address via the

proxy server.

❏ Wi n d o w s :

Select Control Panel > Network and Internet > Internet Options > Connections > LAN settings > Proxy

server, and then congure not to use the proxy server for LAN (local addresses).

Administrator's Guide

Solving Problems