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CA-signed Certificate is expired.
If there is a problem with the expiration date of the certificate, "The certificate has expired" is displayed when
connecting to Web Config with SSL/TLS communication (https). If the message appears before its expiration date,
make sure that the printer's date is configured correctly.
The common name of the certificate and the printer do not match.
If the common name of the certificate and the printer do not match, the message "The name of the security
certificate does not match···" is displayed when accessing Web Config using SSL/TLS communication (https). This
happens because the following IP addresses do not match.
❏
The printer's IP address entered to common name for creating a Self-signed Certificate or CSR
❏
IP address entered to web browser when running Web Config
For Self-signed Certificate, change the printer name. The certificate is updated and the printer can be connected.
For CA-signed Certificate, take the certificate 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, configure 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 configure not to use the proxy server for LAN (local addresses).
❏
Mac OS:
Select
System Preferences
>
Network
>
Advanced
>
Proxies
, and then register the local address for
Bypass
proxy settings for these Hosts & Domains
.
Example:
192.168.1.*: Local address 192.168.1.XXX, subnet mask 255.255.255.0
192.168.*.*: Local address 192.168.XXX.XXX, subnet mask 255.255.0.0
Related Information
&
“Accessing Web Config” on page 24
&
“Assigning the IP Address” on page 20
Issues when Sharing Printers
The Shared Server is Slow
Follow the steps below if operations are slow on shared printers.
1.
On the print server computer, select
Control Panel
>
Devices and Printers
.
2.
Right-click the printer icon (print queue) you want to share, select
Printer properties
>
General
tab, and then
select
Preferences
.
3.
Select
Monitoring Preferences
on the
Utility
tab in the printer driver.
Administrator's Guide
Solving Problems
66