Epson SureColor SC-T7700D

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).
❏ 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 Cong” 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