Canon imagePROGRAF TA-20 MFP 24" Large Format Printer with L24ei Scanner and Stand Kit - Manual (Page 232)

Registering Printer's Root Certificate to Web Browser for SSL
Communication (Remote UI)
If the printer's root certificate has not been registered to the web browser, a message to warn you that the
secure connection is not guaranteed may appear.
When you display Remote UI for the first time on your smartphone, tablet, or computer, download the root
certificate, and then register it to the web browser. The secure connection will be confirmed and a message
will not appear. However, the message may appear depending on a web browser even after you have
registered the root certificate.
How to register the root certificate varies depending on the web browser.
For Internet Explorer
For Safari
For Chrome on Android
For Mobile Safari on iOS
Operating procedure may differ depending on the version of your web browser. For other web browser, refer
to each help.
Important
• Make sure that you have accessed to the printer IP address correctly by checking the URL field of the
web browser before registering the root certificate.
• If the printer is connected via IPv6 using Windows, you need to generate a server certificate using
Remote UI.
For details, see Generating Server Certificate (Self-signed Certificate) .
For Internet Explorer
1. Select For secure communication on Remote UI.
2. Select Download .
Downloading the root certificate is started.
3. If confirmation screen appears, select Open .
Certificate screen is displayed.
Note
• To save the certificate file to your device and register it, select Save . Select Internet options
from Tool menu of Internet Explorer, register the root certificate from Certificates on Content
sheet.
4. Select Install Certificate .
Certificate Import Wizard screen is displayed.
232